Chapter 7 Test
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Chapter 7 Test

Course Number: IT 5201, Spring 2010

College/University: Cincinnati State

Word Count: 6852

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Chapter 7: Storage MULTIPLE CHOICE 1. ____ holds data, instructions, and information for future use. a. Storage c. Throughput b. Output d. Input ANS: A PTS: 1 REF: 352 2. ____ storage is the physical material on which a computer keeps data, instructions, and information. a. Primary c. Tertiary b. Secondary d. all of the above ANS: B PTS: 1 REF: 353 3. ____ is the number of bytes (characters) a storage medium can...

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7: Chapter Storage MULTIPLE CHOICE 1. ____ holds data, instructions, and information for future use. a. Storage c. Throughput b. Output d. Input Register to View AnswerPTS: 1 REF: 352 2. ____ storage is the physical material on which a computer keeps data, instructions, and information. a. Primary c. Tertiary b. Secondary d. all of the above Register to View AnswerPTS: 1 REF: 353 3. ____ is the number of bytes (characters) a storage medium can hold. a. Resolution c. Capacity b. Dimensionality d. Retention Register to View AnswerPTS: 1 REF: 354 4. A(n) ____ device is the computer hardware that records and/or retrieves items to and from storage media. a. concatenation c. resolved b. indexed d. storage Register to View AnswerPTS: 1 REF: 354 5. The inflexible, circular platters on ____ disks use magnetic particles to store data, instructions, and information on a disk's surface. a. hard c. optical b. digital d. indexed Register to View AnswerPTS: 1 REF: 355 c. milliseconds d. seconds REF: 355 c. milliseconds d. either B or C REF: 355 6. Memory (chips) accesses items in ____. a. nanoseconds b. microseconds Register to View AnswerPTS: 1 7. Storage devices access items in ____. a. nanoseconds b. microseconds Register to View AnswerPTS: 1 8. The smallest unit of data a computer can process is a(n) ____. a. cluster c. bit b. allocation unit d. integer Register to View AnswerPTS: 1 REF: 355 9. Experts estimate that hard disks using perpendicular recording will provide storage capacities about ____ times greater than disks that use longitudinal recording. a. 3 c. 10 b. 7 d. 15 Register to View AnswerPTS: 1 REF: 356 c. customer orders and invoices d. all of the above REF: 356 10. Businesses use hard disks to store ____. a. correspondence b. contracts Register to View AnswerPTS: 1 11. ____ is the process of dividing a disk into tracks and sectors, so the operating system can store and locate data and information on the disk. a. Indexing c. Recording b. Formatting d. Elongating Register to View AnswerPTS: 1 REF: 357 12. A(n) ____ is made of aluminum, glass, or ceramic and is coated with an alloy material that allows items to be recorded magnetically on its surface. a. sector c. vector b. read/write head d. platter Register to View AnswerPTS: 1 REF: 357 13. All of the following are characteristics of hard disks EXCEPT ____. a. write-protect notch c. sectors and tracks b. read/write head d. capacity Register to View AnswerPTS: 1 REF: 357 14. On desktop computers, platters have a(n) ____ factor, or size, of approximately 3.5 inches in diameter. a. base c. form b. shape d. dimensionality Register to View AnswerPTS: 1 REF: 358 15. A read/write ____ is the mechanism that reads and writes items in the drive as it barely touches the disk's recording surface. a. head c. vector b. index d. notch Register to View AnswerPTS: 1 REF: 358 16. A(n) ____ is a duplicate of a file, program, or disk that can be used in case the original is lost, damaged, or destroyed. a. cache c. home site b. backup d. baseline Register to View AnswerPTS: 1 REF: 358 17. Access time for today's hard disks range from ____. a. 8 - 10 KBps c. 3 - 12 ms b. 3 - 12 MBps d. 5,400 15,000 rpm Register to View Answer PTS: 1 REF: 358 18. Depending on the type of hard disk, transfer rates range from ____. a. 12 -24 MBps c. 15 - 320 MBps b. 125 - 200 KBps d. 4,500 15,000 rpm Register to View AnswerPTS: 1 REF: 358 19. Some computers improve hard disk access time by using a disk ____, which consists of memory chips that store frequently accessed items. a. warehouse c. base b. cache d. home Register to View AnswerPTS: 1 REF: 359 20. A group of two or more integrated hard disks is called a(n) ____. a. pocket c. RAID b. UFC d. baseline Register to View AnswerPTS: 1 REF: 360 21. ____ devices are servers connected to a network with the sole purpose of providing storage. a. RAID c. NAS b. RAS d. RAN Register to View AnswerPTS: 1 REF: 360 22. A(n) ____ hard drive is a self-contained unit that you insert in and remove from a slot or USB port in a device or a computer. a. personal c. USB b. mini d. removable Register to View AnswerPTS: 1 REF: 360 23. Devices including all of the following EXCEPT ____ often have internal miniature hard disks. a. laptops c. digital cameras b. media players d. smart phones Register to View AnswerPTS: 1 REF: 361 24. Miniature hard disks have storage capacities that range from 1 GB to ____. a. 10 GB c. 220 GB b. 110 GB d. 320 GB Register to View AnswerPTS: 1 REF: 361 25. A disk ____ consists of a special-purpose chip and electronic circuits that control the transfer of data, instructions, and information from a disk to and from the system bus and other components in the computer. a. controller c. indexer b. router d. tablet Register to View AnswerPTS: 1 REF: 361 26. An advantage of portable hard disks and removable hard disks is that users can ____. a. transport a large number of files b. add storage space to a notebook computer or Tablet PC c. easily store large audio and video files d. all of the above Register to View AnswerPTS: 1 REF: 361 27. Current ____ have storage capacities of 16 GB to 256 GB and more. a. optical pens c. access drives b. SSDs d. UMXs Register to View AnswerPTS: 1 REF: 363 28. A(n) ____ flash memory card has a storage capacity of 1 GB to 16 GB. a. CompactFlash c. Secure Digital b. Memory Stick PRO Duo d. xD Picture Card Register to View AnswerPTS: 1 REF: 365 29. A(n) ____ flash memory card has a storage capacity of 512 MB to 8 GB. a. CompactFlash c. Secure Digital b. Memory Stick PRO Duo d. xD Picture Card Register to View AnswerPTS: 1 REF: 365 30. Common types of flash memory cards include ____. a. CompactFlash (CF) c. xD Picture Card b. Secure Digital (SD) and Memory Stick d. all of the above Register to View AnswerPTS: 1 REF: 365 31. The cost of an 16 GB CompactFlash card is the same as a ____ GB external hard disk. a. 100 c. 640 b. 250 d. 1020 Register to View AnswerPTS: 1 REF: 365 32. A card ____ is a device that reads data, instructions, and information stored on flash memory cards. a. access stick c. access port b. reader/writer d. restorer Register to View AnswerPTS: 1 REF: 365 33. A(n) ____ smart drive is a special type of USB flash drive that includes preinstalled software accessed through a Windows-type interface. a. U1 c. U3 b. U2 d. U4 Register to View AnswerPTS: 1 REF: 367 34. As shown in the accompanying figure, a(n) ____ drive is a flash memory storage device that plugs in a USB port on a computer or portable device. a. ATM c. thumb b. smart d. thin Register to View AnswerPTS: 1 REF: 367 35. If the computer has an internal hard disk (drive C) and a DVD drive (drive D) and no other disk drives, what drive will the USB flash drive like the one shown in the accompanying figure probably be? a. A c. E b. B d. None of the above Register to View AnswerPTS: 1 REF: 367 36. Current USB flash drives like the one in the accompanying figure have transfer rates of ____. a. 2 MBps c. 12 MBps b. 4 MBps d. 20 MBps Register to View AnswerPTS: 1 REF: 367 37. ExpressCard modules can be used to add all of the following EXCEPT ____ capabilities to a computer. a. memory c. printing b. storage d. communications Register to View AnswerPTS: 1 REF: 367 38. ____ storage is an Internet service that provides storage to computer users. a. Encrypted c. Cloud b. Shared d. Net Register to View AnswerPTS: 1 REF: 368 39. Many cloud storage providers offer ____. a. encryption b. Web applications Register to View AnswerPTS: 1 c. passwords d. all of the above REF: 368 40. Google Docs is a cloud storage provider for all of the following EXCEPT ____. a. spreadsheets c. e-mail messages b. presentations d. documents Register to View AnswerPTS: 1 REF: 368 41. Users subscribe to a cloud storage service like the kind advertised in the accompanying figure to ____. a. save time by storing large files instantaneously b. allow others to access files c. store offsite backups of data d. all of the above Register to View AnswerPTS: 1 REF: 369 42. Some cloud storage services charge an additional per ____ fee for data transferred to and from the cloud storage service. a. megabyte c. petabyte b. terabyte d. gigabyte Register to View AnswerPTS: 1 REF: 369 43. A(n) ____ disc is a type of storage media that consists of a flat, round, portable disc made of metal, plastic, and lacquer that is written and read by a laser. a. magnetic c. laser-ready b. solid-state d. optical Register to View AnswerPTS: 1 REF: 370 44. Optical discs like the kind shown in the accompanying figure usually are ____ than one-twentieth of an inch thick. a. 3.5 inches in diameter and less c. 3.5 inches in diameter and more b. 4.75 inches in diameter and less d. 4.75 inches in diameter and more Register to View AnswerPTS: 1 REF: 370 45. The drive designation of an optical disc drive, into which the disc shown in the accompanying figure would fit, usually ____. a. precedes alphabetically before that of all the hard disks b. comes alphabetically between that of the hard disks c. follows alphabetically after that of all the hard disks d. none of the above Register to View AnswerPTS: 1 REF: 370 46. Optical discs like the one in the accompanying figure commonly store items in ____. a. random locations anywhere between the center of the disc and the edge of the disc b. multiple pie-shaped sections that break a track into arcs c. a single track that spirals from the center of the disc to the edge of the disc d. multiple concentric tracks from the center of the disc to the edge of the disc Register to View AnswerPTS: 1 REF: 371 47. All of the following may scratch or damage an optical disc EXCEPT ____. a. holding a disk by its edges c. touching the underside of a disc b. stacking disks d. exposing disks to any type of contaminant Register to View AnswerPTS: 1 REF: 371 48. Place a CD or DVD in its protective case, called a(n) ____ box, when it is not being used. a. ROM c. sector b. jewel d. ultimate Register to View AnswerPTS: 1 REF: 371 49. A(n) ____ is a type of optical disc that users can read but not write or erase. a. CD-R c. DVD-ROM b. CD-RW d. DVD-RW Register to View AnswerPTS: 1 REF: 372 50. A standard CD-ROM is called a ____ disc because manufacturers write all items on the disc at one time. a. multisession c. unisession b. single-session d. compound-session Register to View AnswerPTS: 1 REF: 372 51. A typical CD-ROM holds from ____ of data, instructions, and information. a. 450 MB - 650 MB c. 650 GB - 950 GB b. 45 MB - 100 MB d. 650 MB - 1 GB Register to View AnswerPTS: 1 REF: 372 52. Manufacturers measure the speed of all optical disc drives relative to the original CD-ROM drive, using an X to denote the original transfer rate of 150 ____. a. KBps (kilobytes per second) c. GBps (gigabytes per second) b. MBps (megabytes per second) d. TBps (terabytes per second) Register to View AnswerPTS: 1 REF: 373 53. Current CD-ROM drives have transfer rates ranging from ____. a. 4X - 8X c. 48X - 75X b. 24X - 48X d. 100X and faster Register to View AnswerPTS: 1 REF: 373 54. A ____ overcomes the major disadvantage of CD-R disks, which is being able to write on them only once. a. CD-ROM c. CD-RW b. DVD-ROM d. DVD-R Register to View AnswerPTS: 1 REF: 373 55. Manufacturers state the speeds of CD-RW drives in this order: ____. a. rewrite speed, write speed, and read speed b. write speed, read speed, and rewrite speed c. read speed, rewrite speed, and write speed d. write speed, rewrite speed, and read speed Register to View AnswerPTS: 1 REF: 373 56. Instead of using CD-R, many users opt for ____, which is an erasable multisession disc users can write on multiple times. a. CD-W b. CD-WR Register to View AnswerPTS: 1 c. CD-RW d. CD-X REF: 373 57. A(n) ____ is a multisession optical disc on which users can write but not erase their own items such as text, graphics, and audio. a. CD-R c. CD-RW b. CD-W d. CD-RWR Register to View AnswerPTS: 1 REF: 373 58. ____ means you can write on one part of a disc at one time and another part at a later time. a. Indexed c. Multipart MIME b. Multisession d. S-MIME Register to View AnswerPTS: 1 REF: 373 59. To write on a CD-RW disc, users must have CD-RW software and a CD-RW ____. a. port c. drive b. bus d. shell Register to View AnswerPTS: 1 REF: 373 60. A Kodak ____ CD is a type of CD-ROM that stores digital versions of a single roll of film using a jpg file format. a. Picture c. Optical b. Image d. Graphics Register to View AnswerPTS: 1 REF: 374 61. The storage capacity of a DVD-ROM is ____ that of a CD because images are stored at higher resolutions. a. greater than a CD, and a DVD's quality far surpasses b. less than a CD, but a DVD's quality far surpasses c. greater than a CD, but a DVD's quality is far less than d. less than a CD, and a DVD's quality is far less than Register to View AnswerPTS: 1 REF: 375 62. A storage technique that a DVD-ROM can use to achieve a higher storage capacity than a CD-ROM is to ____. a. make the disc more dense by packing the pits closer together b. use two layers of pits c. be double-sided d. all of the above Register to View AnswerPTS: 1 REF: 375 63. A(n) ____ is a high-capacity optical disc on which users can read but not write or erase. a. DVD-RW c. DVD-R b. DVD-ROM d. Blu-ray Register to View AnswerPTS: 1 REF: 375 64. A DVD ____ is a drive that usually can read audio CDs, CD-ROMs, CD-Rs, and CD-RWs, in addition to DVD-ROMs. a. player c. port b. bridge d. bus Register to View AnswerPTS: 1 REF: 375 65. With future technology, a(n) ____ potentially will contain up to 20 layers, each with a capacity of 5 GB. a. HD VMD c. High-Def b. Blu-ray d. HD-DVD Register to View AnswerPTS: 1 REF: 375 66. A newer, expensive type of disk, called a(n) ____, has storage capacities up to 100 GB, with expectations of exceeding 200 GB in the future. a. DVD-RW c. CD-ROM b. DVD-ROM d. BD-ROM Register to View AnswerPTS: 1 REF: 375 67. All of the following are competing rewritable DVD formats except ____. a. DVD-RW c. DVD+RAM b. DVD+R d. DVD+RW Register to View AnswerPTS: 1 REF: 376 68. ____ is a high-capacity rewritable DVD format. a. DD DVD-R c. CD DVD-R b. BD-RE d. UMD DVD-R Register to View AnswerPTS: 1 REF: 376 69. Tape ____. a. no longer is used as a primary method of storage but is used most often for long-term storage and backup b. is used as a primary method of storage and for long-term storage and backup c. no longer is used for long-term storage and backup but is used most often as a primary method of storage d. no longer is used as a primary method of storage or for long-term storage and backup Register to View AnswerPTS: 1 REF: 376 70. All of the following use direct access except ____. a. CDs c. tape b. DVDs d. hard disks Register to View AnswerPTS: 1 REF: 376 71. ____ is a magnetically coated ribbon of plastic capable of storing large amounts of data and information at a low cost. a. Tape c. Indexed data b. Opticon d. Threaded memory Register to View AnswerPTS: 1 REF: 376 72. Comparable to a tape recorder, a tape ____ reads and writes data and information on a tape. a. reader c. port b. drive d. adapter Register to View AnswerPTS: 1 REF: 376 73. A tape ____ is a small, rectangular, plastic housing for tape. a. backup c. cartridge b. sleeve d. envelope Register to View AnswerPTS: 1 REF: 376 74. On larger computers, tape cartridges are mounted in a separate cabinet called a tape ____. a. farm c. library b. storage unit d. box Register to View AnswerPTS: 1 REF: 376 75. Tape storage requires ____ access, which refers to reading or writing data consecutively. a. consequential c. inferential b. tangential d. sequential Register to View AnswerPTS: 1 REF: 376 76. One popular use of ____ is to store a prepaid amount of money, as in a prepaid telephone calling card. a. smart cards c. ExpressCards b. floppy disks d. hard disks Register to View AnswerPTS: 1 REF: 377 77. A(n) ____ card, which is similar in size to a credit card or ATM card, stores data on a thin microprocessor embedded in the card. a. tool c. view b. micro d. smart Register to View AnswerPTS: 1 REF: 377 78. ____ is a small sheet of film, usually about 4 inches by 6 inches, that stores microscopic images of documents. a. Microfilm c. Microfiche b. Microtape d. Microsheet Register to View AnswerPTS: 1 REF: 378 79. A computer output ____ recorder is the device that records images on microfilm. a. microtape c. microsheet b. microfiche d. microfilm Register to View AnswerPTS: 1 REF: 378 80. The use of microfilm and microfiche provides all of the following advantages except ____. a. they greatly reduce the amount of paper firms must handle b. they are inexpensive c. they have the longest life of any storage media d. they can be read without a microfilm or microfiche reader Register to View AnswerPTS: 1 REF: 378 MULTIPLE RESPONSE Modified Multiple Choice 1. When a processor requests ____ from the hard disk, the hard disk first checks the disk cache. a. output c. instructions b. data d. information Register to View AnswerC, D PTS: 1 REF: 359 2. Which of the following is a value for the disk cache contained by hard disks today? a. 4 MB c. 12 MB b. 4 GB d. 12 GB Register to View AnswerC PTS: 1 REF: 359 3. To prevent the loss of items stored on a hard disk, preventive maintenance should be performed regularly, such as ____. a. defragmenting b. removing contaminants from the hard disk platter c. scanning the disk for errors d. rotating the hard disk platters Register to View AnswerC PTS: 1 REF: 362 4. The ____ interface uses parallel signals to transfer data, instructions, and information. a. SATA c. SCSI b. EIDE d. USP Register to View AnswerC PTS: 1 REF: 361-362 5. Some solid state drives have form factors of ____. a. 1.8 inch c. 3.5 inch b. 2.5 inch d. 5.25 inch Register to View AnswerB, C PTS: 1 REF: 363 6. The fact that ____ is an example of an advantage of SSDs over magnetic hard disks. a. access times of SSDs are about 0.1 ms b. SSDs will last more than 50 years c. SSD transfer rates range from 80 to 100 MBps d. SSDs generate less heat and consume less power than hard disks Register to View AnswerB, C, D PTS: 1 REF: 363 7. To ____ images and information stored on memory cards, its contents must be transferred to a desktop computer or other device. a. view c. edit b. rasterize d. print Register to View AnswerC, D PTS: 1 REF: 365 8. Card readers/writers usually connect to the ____ port on the system unit. a. AGP c. parallel b. USB Register to View AnswerD PTS: 1 d. FireWire REF: 366 c. CD-ROMs d. CD-RWs REF: 375 9. Most DVD-ROM drives can read ____. a. audio CDs b. CD-Rs Register to View AnswerB, C, D PTS: 1 10. Smart cards contain a processor and have ____ capability. a. communications c. input b. output d. storage Register to View AnswerC, D PTS: 1 REF: 377 MODIFIED TRUE/FALSE 1. When storage devices write data on storage media, they are creating input. _________________________ Register to View Answeroutput PTS: 1 REF: 354-355 2. When storage devices read data from storage media, they function as a source of output. _________________________ Register to View Answerinput PTS: 1 REF: 355 3. The access time of storage devices is fast, compared with the access time of memory. _________________________ Register to View Answerslow PTS: 1 REF: 355 4. One file on a disc can span many form factors. _________________________ Register to View Answerclusters PTS: 1 REF: 358 5. SSDs have a lower failure rate than hard disks. _________________________ Register to View Answerhigher PTS: 1 REF: 363 6. Some optical discs are double-sided. _________________________ Register to View AnswerPTS: 1 REF: 370 7. Optical discs store items by using microscopic lands (indentations) that are in the middle layer of the disc. _________________________ Register to View Answerpits PTS: 1 REF: 370 8. On an optical disc, a land causes light to reflect, which is read as binary digit 0. _________________________ Register to View Answer1 PTS: 1 REF: 371 9. As with a hard disk, the single track on an optical disc is divided into variably sized sectors on which items are stored. _________________________ Register to View Answerevenly PTS: 1 REF: 371 10. A DVD-RW is a high-capacity optical disc on which users can read but not write or erase. _________________________ Register to View AnswerDVD-ROM PTS: 1 TRUE/FALSE 1. When a user issues a command to start application software, the operating system locates the program in memory and loads it into storage. Register to View AnswerPTS: 1 REF: 352 REF: 375 2. Storage requirements among all kinds of users are exactly the same. Register to View AnswerPTS: 1 REF: 353 3. Current personal computer hard disks typically have storage capacities of less than 20 GB. Register to View AnswerPTS: 1 REF: 355 4. A hard disk's platters typically continue to spin even after power is removed from the computer. Register to View AnswerPTS: 1 REF: 358 5. A hard disk platter's spinning motion creates a cushion of air above the read/write head, which ensures that the read/write head makes contact with the platter surface instead of floating above the platter. Register to View AnswerPTS: 1 REF: 358 6. Although current internal hard disks are built to withstand shocks and are sealed tightly to keep out contaminants, head crashes still occur. Register to View AnswerPTS: 1 REF: 358 7. Depending on the type of hard disk, transfer rates normally range from 2 MBps to 8 MBps. Register to View AnswerPTS: 1 REF: 358 8. The greater the disk cache, the slower the hard disk. Register to View AnswerPTS: 1 REF: 359 9. Removable hard disks have storage capacities up to 500 GB. Register to View AnswerPTS: 1 REF: 360 10. External or removable hard disks like the ones in the accompanying figure transfer data at much faster rates than internal hard disks. Register to View AnswerPTS: 1 REF: 361 11. Depending on the device, manufacturers claim memory cards can last from 10 to 100 years. Register to View AnswerPTS: 1 REF: 365 12. Memory cards are quite inexpensive compared to other storage media. Register to View AnswerPTS: 1 REF: 365 13. A Secure Digital card has a storage capacity of 64 MB to 8 GB. Register to View AnswerPTS: 1 REF: 365 14. The type of memory card you have will determine the type of card reader/writer needed. Register to View AnswerPTS: 1 REF: 366 15. A CompactFlash card has a maximum storage capacity of 32 GB. Register to View AnswerPTS: 1 REF: 365 16. Some users choose cloud storage instead of storing data locally on a hard disk or other media. Register to View AnswerPTS: 1 REF: 368 17. Types of services offered by cloud storage providers are the same from provider to provider. Register to View AnswerPTS: 1 REF: 368 18. One reason users store data and information using cloud storage is to view time-critical data and images immediately while away from a main office or location. Register to View AnswerPTS: 1 REF: 369 19. Users who subscribe to disk-based storage like the kind advertised in the accompanying figure can save on the Internet hard disk in the same manner they save on their local hard disk. Register to View AnswerPTS: 1 REF: 369 20. Cloud storage is available all for sizes of users, with various degrees of storage services available for home and business users. Register to View AnswerPTS: 1 REF: 369 21. Smaller computers and devices cannot use optical storage discs. Register to View AnswerPTS: 1 REF: 370 22. Optical discs should be stored in a flat (horizontal) position. Register to View AnswerPTS: 1 REF: 371 23. Manufacturers claim that a properly cared for CD or DVD will last 5 years, but could last up to 250 years. Register to View AnswerPTS: 1 REF: 371 24. You can erase a DVD+R. Register to View AnswerPTS: 1 REF: 372 25. You can read, write, and erase a DVD-R. Register to View AnswerPTS: 1 REF: 372 26. Manufacturers write, or record, the contents of standard CD-ROMs, and users only can read the contents of these discs. Register to View AnswerPTS: 1 REF: 372 27. Because audio CDs and CD-ROMs use different laser technologies, a CD-ROM drive cannot be used to listen to an audio CD while working on the computer. Register to View AnswerPTS: 1 REF: 372 28. A 52X CD-ROM drive has a data transfer rate of 7.2 MBps. Register to View AnswerPTS: 1 REF: 373 29. The speed of a CD-ROM drive has no effect on how fast it installs programs or accesses the disc. Register to View AnswerPTS: 1 REF: 373 30. Faster CD-ROM drives are less expensive than slower drives. Register to View AnswerPTS: 1 REF: 373 31. Each part of a CD-R can be written on multiple times, and the disc's contents can be erased. Register to View AnswerPTS: 1 REF: 373 32. A popular use of CD-RW and CD-R discs is to create audio CDs. Register to View AnswerPTS: 1 REF: 373 33. Some operating systems, such as Windows Vista, include the capability of lasering discs. Register to View AnswerPTS: 1 REF: 373 34. Current CD-RW drives have write speeds of 128X or more. Register to View AnswerPTS: 1 REF: 373 35. Many film developers offer Picture CD service for customers when they drop off film to be developed. Register to View AnswerPTS: 1 REF: 374 36. Most optical disc drives can read a Picture CD. Register to View AnswerPTS: 1 REF: 374 37. You can erase a DVD-ROM. Register to View AnswerPTS: 1 REF: 375 38. DVD-ROM drives can read DVDs at speeds of 52X or more. Register to View AnswerPTS: 1 REF: 375 39. Although the size and the shape of CD-ROM and DVD-ROM are different, a DVD-ROM stores data, instructions, and information in exactly the same manner and thus achieves the same storage capacity. Register to View AnswerPTS: 1 REF: 375 40. All DVD-ROMs are single-sided. Register to View AnswerPTS: 1 REF: 375 41. DVD-R and DVD+R are competing DVD-recordable formats. Register to View AnswerPTS: 1 REF: 376 42. Rewritable drives usually can read a variety of DVD and CD media. Register to View AnswerPTS: 1 REF: 376 43. Instead of recordable DVDs, most users work with reformattable DVDs. Register to View AnswerPTS: 1 REF: 376 44. Although older computers used tape cartridges, today's computers use reel-to-reel tape drives. Register to View AnswerPTS: 1 REF: 376 45. Tape cartridges that contain quarter-inch-wide tape are slightly smaller than audiocassette tapes. Register to View AnswerPTS: 1 REF: 376 46. Some personal computers have external tape units. Register to View AnswerPTS: 1 REF: 376 47. When writing or reading specific data, direct access is much slower than sequential access. Register to View AnswerPTS: 1 REF: 376 48. A computer output microfilm recorder is the device that records the images on microfiche. Register to View AnswerPTS: 1 REF: 378 49. The images stored on microfilm and microfiche are so large that they can be read without a microfilm or microfiche reader. Register to View AnswerPTS: 1 REF: 378 50. To meet their large-scale needs, enterprises use special hardware geared for heavy use. Register to View AnswerPTS: 1 REF: 379 COMPLETION 1. To start up, a computer locates an operating system in storage and loads it into ____________________. ANS: memory PTS: 1 REF: 352 2. Examples of ____________________ are hard disks, solid state drives, memory cards, USB flash drives, ExpressCard modules, optical discs, smart cards, and microfilm. ANS: storage media PTS: 1 REF: 353 3. Of microfiche, Express Cards, memory, and hard disks, all are examples of nonvolatile storage media except ____________________. ANS: memory PTS: 1 REF: 354 4. ____________________ is the process of transferring data, instructions, and information from memory to a storage medium. ANS: Writing PTS: 1 REF: 354 5. ____________________ is the process of transferring data, instructions, and information from a storage medium into memory. ANS: Reading PTS: 1 REF: 354 6. ____________________ time measures the amount of time it takes a storage device to locate an item on a storage medium. ANS: Access PTS: 1 REF: 355 7. ____________________ rate is the speed with which data, instructions, and information transfer to and from a device. ANS: Transfer PTS: 1 REF: 355 8. Storage devices access items in ____________________. ANS: milliseconds thousandths of a second microseconds millionths of a second PTS: 1 REF: 355 9. Transfer rates for storage are stated in ____________________, MBps, and GBps. ANS: KBps kilobytes per second kilobytes per second (KBps) KBps (kilobytes per second) PTS: 1 REF: 355 10. With respect to a storage medium, the term ____________________ means users can remove the medium from one computer and carry it to another computer. ANS: portable PTS: 1 REF: 355 11. The hard disk that is mounted inside the system unit sometimes is called a(n) ____________________ disk. ANS: fixed PTS: 1 REF: 355 12. Traditionally, hard disks stored data using ____________________ recording, which aligned the magnetic particles horizontally around the surface of the disk. ANS: longitudinal PTS: 1 REF: 356 13. If a personal computer has only one hard disk, it is designated as drive ____________________. Register to View AnswerPTS: 1 REF: 356 14. Experts estimate that hard disks using ____________________ recording will provide storage capacities about 10 times greater than disks that use longitudinal recording. ANS: perpendicular PTS: 1 REF: 356 15. With ____________________ recording, hard disks align the magnetic particles vertically, making much greater storage capacities possible. ANS: perpendicular PTS: 1 REF: 356 16. A(n) ____________________ is a narrow recording band that forms a full circle on the surface of the disk. ANS: track PTS: 1 REF: 357 17. A disk's storage locations consist of pie-shaped sections, which break the tracks into small arcs called ____________________. ANS: sectors PTS: 1 REF: 357 18. A(n) ____________________ unit is the smallest unit of disk space that stores data and information. ANS: allocation PTS: 1 REF: 357 19. Current personal computer hard disks like the one shown in the accompanying figure have storage capacities from 160 GB to 1.5 ____________________ and more. ANS: TB terabyte terabyte (TB) TB (terabyte) PTS: 1 REF: 355 20. A(n) ____________________ on a hard disk, such as that shown in the accompanying figure, is made of aluminum, glass, or ceramic and is coated with an alloy material that allows items to be recorded magnetically on its surface. ANS: platter PTS: 1 REF: 357 21. On a hard disk like that shown in the accompanying figure, a(n) ____________________ is a vertical section of track that passes through all platters on a hard disk. ANS: cylinder PTS: 1 REF: 358 22. While the computer is running, the platters in a hard disk (such as that shown in the accompanying figure) usually rotate at 5,400 to 15,000 ____________________, which allows nearly instant access to all tracks and sectors. ANS: revolutions per minute rpm revolutions per minute (rpm) rpm (revolutions per minute) PTS: 1 REF: 358 23. A(n) ____________________ occurs when a read/write head touches the surface of a hard disk platter, such as that shown in the accompanying figure, usually resulting in a loss of data and sometimes loss of the entire drive. ANS: head crash PTS: 1 REF: 358 24. As shown on the top in the accompanying figure, a(n) ____________________ hard disk is a separate free-standing hard disk that connects with a cable to a USB port or FireWire port on the system unit. ANS: external PTS: 1 REF: 360 25. As shown on the bottom in the accompanying figure, a(n) ____________________ hard disk is a hard disk that users insert and remove from either a dock or drive. ANS: removable PTS: 1 REF: 360 26. ____________________ uses serial signals to transfer data, instructions, and information. ANS: SATA Serial Advanced Technology Attachment SATA (Serial Advanced Technology Attachment) Serial Advanced Technology Attachment (SATA) SAS Serial-attached SCSI SAS (serial-attached SCSI) Serial-attached SCSI (SAS) PTS: 1 REF: 361-362 27. ____________________ is a hard disk interface that can support up to four hard disks at 137 GB per disk. ANS: EIDE Enhanced Integrated Drive Electronics EIDE (Enhanced Integrated Drive Electronics) Enhanced Integrated Drive Electronics (EIDE) PTS: 1 REF: 361 28. The primary advantage of the ____________________ interface is the cables are thinner, longer, more flexible, and less susceptible to interference. ANS: SATA Serial Advanced Technology Attachment SATA (Serial Advanced Technology Attachment) Serial Advanced Technology Attachment (SATA) PTS: 1 REF: 361 29. Flash memory cards are a type of ____________________ media, which means they consist entirely of electronics and contain no moving parts. ANS: solid state PTS: 1 REF: 362 30. The ____________________ is a hard disk interface that can support up to eight or fifteen peripheral devices. ANS: SCSI Small Computer System Interface SCSI (Small Computer System Interface) Small Computer System Interface (SCSI) PTS: 1 REF: 362 31. Some manufacturers market their ____________________ interfaces as Fast ATA or Ultra ATA. ANS: EIDE Enhanced Integrated Drive Electronics EIDE (Enhanced Integrated Drive Electronics) Enhanced Integrated Drive Electronics (EIDE) PTS: 1 REF: 362 32. ____________________ storage like the kind advertised in the accompanying figure is an Internet service that provides hard disk storage to computer users. ANS: Cloud PTS: 1 REF: 368 33. ____________________ modules commonly are used in notebook computers. ANS: ExpressCard PTS: 1 REF: 367 34. A(n) ____________________ module is a removable flash memory device that fits in an ExpressCard slot. ANS: ExpressCard PTS: 1 REF: 367 35. The process of writing on an optical disc is called ____________________. ANS: burning PTS: 1 REF: 373 36. The process of copying audio and/or video data from a purchased disc and saving it on digital media is called ____________________. ANS: ripping PTS: 1 REF: 373 37. A mini-DVD that has grown in popularity is the ____________________, which has a diameter of about 2.4 inches and can store up to 1.8 GB of games, movies, or music. ANS: Universal Media Disc UMD UMD (Universal Media Disc) Universal Media Disc (UMD) PTS: 1 REF: 375 38. A mini-DVD that has grown in popularity is the ____________________, which works specifically with the PlayStation Portable handheld game console. ANS: UMD Universal Media Disc UMD (Universal Media Disc) Universal Media Disc (UMD) PTS: 1 REF: 375 39. ____________________ access means that a device can locate a particular data item or file immediately, without having to move consecutively through items stored in front of the desired item or file. ANS: Direct Random PTS: 1 REF: 376 40. One of the first storage media used with mainframe computers was ____________________. ANS: tape PTS: 1 MATCHING REF: 376 Identify the letter of the choice that best matches the phrase or definition. a. capacity k. memory cards b. backup l. sectors c. density m. CD-RW d. RAID n. SCSI e. NAS o. cylinder f. EIDE p. transfer rate g. SAS q. hard disk h. SSD r. volatile i. USB flash drive s. system unit j. cloud t. direct 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. Kind of interface that has transfer rates up to 640 MBps The operating system marks bad ones as unusable when a disk is formatted Contains at least one hard disk on most desktop computers Enclosed in an airtight, sealed case to protect it from contamination Used in descriptions of a storage device's capabilities sometimes, instead of access time A duplicate of a file, program, or disk placed in a separate storage medium Describes a storage medium in which items are held only temporarily The number of bits in an area on a storage medium A group of two or more integrated hard disks Some home or small business users opt to add up to 6 TB or more of hard disk storage space to their network with this kind of device The location of a hard disk's read/write heads is often referred to by this A hard disk that uses parallel signals to transfer data, instructions, and information The number of bytes a storage medium can hold Its reliability tends to diminish with each successive rewrite A newer type of SCSI that uses serial signals to transfer data, instructions, and information A storage device that typically uses flash memory to store data, instructions, and information Another name for random access Kind of storage that is an Internet service providing storage to computer users Some printers have slots to read these Also called a thumb drive ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: N L S Q P B R C D E O F A M G H T PTS: PTS: PTS: PTS: PTS: PTS: PTS: PTS: PTS: PTS: PTS: PTS: PTS: PTS: PTS: PTS: PTS: 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 REF: REF: REF: REF: REF: REF: REF: REF: REF: REF: REF: REF: REF: REF: REF: REF: REF: 362 357 355 355 355 358 354 359 360 360 358 361 354 373 362 363 376 18. ANS: J 19. ANS: K 20. ANS: I CASE PTS: 1 PTS: 1 PTS: 1 REF: 368 REF: 365 REF: 367 Critical Thinking Questions Case 1 In all of the advertisements for personal computers, vendors usually state the type of hard disk interface supported by the hard disk controller, so it is important that you understand the types of available hard disk interfaces, so you can make the most informed choice possible. 1. You are in the market for a disk controller that will support a high number of peripheral devices. What disk controller will do the trick? a. EIDE c. SATA Register to View AnswerPTS: 1 REF: 362 TOP: Critical Thinking b. SCSI d. USB 2. After more consideration, you have decided that what you want most is an interface that is less susceptible to interference. Which of the following is your best bet in this regard? a. SATA c. EIDE Register to View AnswerPTS: 1 REF: 361 TOP: Critical Thinking b. SCSI d. USB Critical Thinking Questions Case 2 You've begun work as a consultant to individuals and businesses, making recommendations to them about the kinds of systems they should buy and what equipment they should have. 3. Aaron is a user who travels extensively. Which of the following is he NOT likely to need? a. cloud storage c. 2.5 TB hard disk Register to View AnswerPTS: 1 REF: 380 TOP: Critical Thinking b. portable hard disk for backup d. USB flash drive 4. Sayed is a CAD operator at a manufacturing facility. What is a good recommendation for the size of his hard disk? a. 250 GB c. 100 GB Register to View AnswerPTS: 1 ESSAY 1. Discuss how the speed of storage devices and memory is defined. ANS: The speed of storage devices and memory is defined by access time. Access time measures (1) the amount of time it takes a storage device to locate an item on a storage medium or (2) the time required to deliver an item from memory to the processor. The access time of storage devices is slow, compared with the access time of memory. Memory (chips) accesses items in billionths of a second (nanoseconds). Storage devices, by contrast, access items in thousandths of a second (milliseconds) or millionths of a second (microseconds). Instead of, or in addition to access time, some manufacturers state a storage device's transfer rate because it affects access time. Transfer rate is the speed with which data, instructions, and information transfer to and from a device. Transfer rates for storage are stated in KBps (kilobytes per second) and MBps (megabytes per second). PTS: 1 REF: 355 TOP: Critical Thinking REF: 380 TOP: Critical Thinking b. 500 GB d. 2.5 TB 2. Explain the difference between perpendicular and longitudinal recording. ANS: Current personal computer hard disks have storage capacities from 160 GB to 1.5 TB and more. Traditionally, hard disks stored data using longitudinal recording, which aligned the magnetic particles horizontally around the surface of the disk. With perpendicular recording, by contrast, hard disks align the magnetic particles vertically, or perpendicular to the disk's surface, making much greater storage capacities possible. Experts estimate that hard disks using perpendicular recording will provide storage capacities about 10 times greater than disks that use longitudinal recording. PTS: 1 REF: 356 TOP: Critical Thinking 3. Explain what must happen before any data can be read from or written on a hard disk, making sure to define all relevant terminology. ANS: Before any data can be read from or written on a hard disk, the disk must be formatted. Formatting is the process of dividing the disk into tracks and sectors, so the operating system can store and locate data and information on the disk. A track is a narrow recording band that forms a full circle on the surface of the disk. The disk's storage locations consist of pie-shaped sections, which break the tracks into small arcs called sectors. On a magnetic disk, a sector typically stores up to 512 bytes of data. For reading and writing purposes, sectors are grouped into clusters. A cluster is the smallest unit of disk space that stores data and information. Each cluster, also called an allocation unit, consists of two to eight sectors (the number varies depending on the operating system). Even if a file consists of only a few bytes, it uses an entire cluster. Each cluster holds data from only one file. One file, however, can span many clusters. PTS: 1 REF: 357 TOP: Critical Thinking 4. Discuss the use of tape historically and today, and define the two forms of access as part of the answer. ANS: One of the first storage media used with mainframe computers was tape. Tape is a magnetically coated ribbon of plastic capable of storing large amounts of data and information at a low cost. Tape no longer is used as a primary method of storage. Instead, business users utilize tape most often for longterm storage and backup. Comparable to a tape recorder, a tape drive reads and writes data and information on a tape. Although older computers used reel-to-reel tape drives, today's tape drives use tape cartridges. A tape cartridge is a small, rectangular, plastic housing for tape. Tape cartridges that contain quarter-inch-wide tape are slightly larger than audiocassette tapes. Business users sometimes back up personal computer hard disks to tape, often using an external tape drive. On larger computers, tape cartridges are mounted in a separate cabinet called a tape library. Transfer rates of tape drives range from 1.25 MBps to 6 MBps. Tape storage requires sequential access, which refers to reading or writing data consecutively. As with a music tape, you must forward or rewind the tape to a specific point to access a specific piece of data. For example, to access item W requires passing through points A through V sequentially. Hard disks, CDs, and DVDs all use direct access. Direct access, also called random access, means that the device can locate a particular data item or file immediately, without having to move consecutively through items stored in front of the desired data item or file. When writing or reading specific data, direct access is much faster than sequential access. PTS: 1 REF: 376 TOP: Critical Thinking 5. Explain what disk caching is. ANS: Hard disks improve their access time by using disk caching. Disk cache (pronounced cash), sometimes called a buffer, consists of a memory chip(s) on a hard disk that stores frequently accessed items such as data, instructions, and information. Disk cache and memory cache work in a similar fashion. When a processor requests data, instructions, or information from the hard disk, the hard disk first checks its disk cache -- before moving any mechanical parts to access the platters. If the requested item is in disk cache, the hard disk sends it to the processor. If the hard disk does not find the requested item in the disk cache, then the processor must wait for the hard disk to locate and transfer the item from the disk to the processor. Hard disks today contain between 2 MB and 32 MB of disk cache. The greater the disk cache, the faster the hard disk. PTS: 1 REF: 359 TOP: Critical Thinking 6. What is enterprise storage? Register to View Answerlarge business, commonly referred to as an enterprise, has hundreds or thousands of employees in offices across the country or around the world. Enterprises use computers and computer networks to manage and store huge volumes of data and information about customers, suppliers, and employees. To meet their large-scale needs, enterprises use special hardware geared for heavy use, maximum availability, and maximum efficiency. One or more servers on the network have the sole purpose of providing storage to connected users. For high-speed storage access, entire networks are dedicated exclusively to connecting devices that provide storage to other servers. In an enterprise, some storage systems can provide more than 185 terabytes (trillion bytes) of storage capacity. An enterprise's storage needs usually grow daily. Thus, the storage solutions an enterprise chooses must be able to store its data and information requirements today and tomorrow. PTS: 1 REF: 379 TOP: Critical Thinking

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Cincinnati State - IT - 5201
Chapter 8: Operating Systems and Utility ProgramsMULTIPLE CHOICE 1. _ software, such as operating systems and utility programs, consists of the programs that control or maintain the operations of a computer and its devices. a. System c. Management b. App
Cincinnati State - IT - 5201
Chapter 9: Communications and NetworksMULTIPLE CHOICE 1. Computer communications describes a process in which two or more computers or devices transfer _. a. data c. instructions b. information d. all of the above ANS: D PTS: 1 REF: 4602. A communicatio
Cincinnati State - IT - 5201
Chapter 10: Database ManagementMULTIPLE CHOICE 1. A(n) _ is a collection of data organized in a manner that allows access, retrieval, and use of that data. a. database c. spreadsheet b. server d. webbase ANS: A PTS: 1 REF: 5142. _ is a collection of unp
Cincinnati State - IT - 5201
Chapter 11: Computer Security and Safety, Ethics, and PrivacyMULTIPLE CHOICE 1. A computer _ risk is any event or action that could cause a loss of or damage to computer hardware, software, data, information, or processing capability. a. security c. terr
Cincinnati State - IT - 5201
Chapter 12: Information System DevelopmentMULTIPLE CHOICE 1. An information system supports _ activities of users. a. daily c. long-range b. short-term d. all of the above ANS: D PTS: 1 REF: 6202. In sequence, most system development life cycles contain
Cincinnati State - IT - 5201
Chapter 13: Programming Languages and Program DevelopmentMULTIPLE CHOICE 1. A computer _ is a series of instructions that directs a computer to perform tasks. a. program c. instructional set b. development d. execution ANS: A PTS: 1 REF: 6642. A compute
Cincinnati State - IT - 5201
Chapter 14: Enterprise ComputingMULTIPLE CHOICE 1. The term _, commonly describes a business or venture of any size. a. enterprise c. consortium b. corporation d. functional unit ANS: A PTS: 1 REF: 7202. _ computing involves the use of computers in netw
Cincinnati State - IT - 5201
Chapter 15: Computer Careers and CertificationMULTIPLE CHOICE 1. The Bureau of Labor Statistics reports that the current IT workforce is approximately _. a. 1 million workers with a growth of 2 percent over the past year b. 2 million workers with a growt
Cincinnati State - FIN - 2976
FIN 2976 "In the News" Assignment Read one banking-related article and complete the following table. The article must have been published within the last 6 months and should be of a decent length. A good rule of thumb would be no shorter than a full magaz
Cincinnati State - FIN - 2976
FIN 2976 "In the News" Assignment Read one banking-related article and complete the following table. The article must have been published within the last 6 months and should be of a decent length. A good rule of thumb would be no shorter than a full magaz
Cincinnati State - FIN - 2976
FIN 2976: Chapter 1 Internet Exercise Finding Information on Banks Visit the Federal Deposit Insurance Corporation website at www.fdic.gov/deposit/index.html. Click on "Bank Find" to fill in the following table. Save the file when you are finished and res
Cincinnati State - FIN - 2976
FIN 2976 Chapter 3 Internet Exercise The Federal Reserve Board Web site contains valuable information and useful links to other Web sites. The following questions can be answered by going to the Federal Reserve Board's Web site (http:/www.federalreserve.g
Cincinnati State - FIN - 2976
FIN 2976 Chapter 4 and 5 Assignment Read each customer situation below and answer as appropriate. Type your answers following the question, save your answers and resend to me via the assignment manager. Deposit Account Products: Read the situation and det
Cincinnati State - FIN - 2976
FIN 2976 Chapter 10 Internet Assignment Chapter 10 Bank Investments and Performance Visit the Federal Deposit Insurance Corporation Website at www.fdic.gov/deposit/index.html. Click on "Bank Find", enter the bank name. Then click on "Last Financial Inform
Cincinnati State - LIT - 1051
Chris Pasquariello Andrea Leslie Drama 1051-40 February 11, 2010 Duty, Obligation, and Women Creon is truly a chauvinist in the play. He makes remarks about how "no woman rules [him] while [he] lives" (523). He remarks while calling the guards to take Ant
Cincinnati State - LIT - 1051
Name_Chris Pasquariello_ Final ExamDrama LESLIEAnswer each question using specific details from the works to support your answer. Please write in complete sentences. You should spend approximately 15-25 minutes per question. The answers should be no mor
Cincinnati State - LIT - 1051
Chris Pasquariello Andrea Leslie Drama 1051-40; Essay 1 March 5, 2010Heroines can be found frequently throughout history and literature. Although each female is often portrayed as pioneering and unique, parallels do exist among these female-centered stor
Cincinnati State - LIT - 1051
Chris Pasquariello Andrea Leslie Drama 1051-40; Essay 2 March 25, 2010Critics search for ways to connect characters in literature to their creators. They often compare the personalities of different characters and their relationships with one another in
Cincinnati State - LIT - 1051
Name_ Final ExamDrama LESLIEAnswer each question using specific details from the works to support your answer. Please write in complete sentences. You should spend approximately 15-25 minutes per question. The answers should be no more than two pages ty
Cincinnati State - LIT - 1051
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Cincinnati State - LIT - 1051
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Cincinnati State - LIT - 1051
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Cincinnati State - LIT - 1051
Chris Pasquariello Andrea Leslie Drama 1051-40; Journal 7 March 25, 2010The NPR interview I selected introduces the movie to the public on its opening day. John Shanley identifies the setting and church that was filmed, the church school of his youth, St
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Cincinnati State - ENG - 1001
P a g e | 1Compare and Contrast: Buddha and JesusChris Pasquariello Instructor Harris English 1001-05 3/11/09P a g e | 2Buddha and Jesus Over the years people have found comfort in the words of great leaders. Great leaders are marked by their ability
Cincinnati State - ENG - 1001
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Cincinnati State - BUS - 2925
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Swansea UK - ENGINEERIN - EG 243
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Swansea UK - ENGINEERIN - EG 243
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Swansea UK - ENGINEERIN - EG 243
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Swansea UK - ENGINEERIN - EG 243
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Swansea UK - ENGINEERIN - EG 243
Page:! of5SCHOOL OF ENGINEERINGEXAMINATION MODEL ANSWER SHEETPaper Title: Paper No:Question No1.EG-243MAY lJUNE 2009Examiner(s): ISMMarks(a)c (s)= R(s+ a)(s + b)(s + c) + KK[2 marks(b)[2 marks(c)Type 0 system so: Thus sse for:KP=-K a
Swansea UK - ENGINEERIN - EG 243
Page:30f5SCHOOL OF ENGINEERINGEXAMINATION MODEL ANSWER SHEETPaper Title: Paper No:Question NoEG-243MAY/JUNE 2009Examiner(s): JSMMarksnormal The root locus plots systems, from to the upwards), complex s plane as set on loci, thegain K vari~ loc~ "
Swansea UK - ENGINEERIN - EG 243
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Swansea UK - ENGINEERIN - EG 243
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Swansea UK - ENGINEERIN - EG 243
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Swansea UK - ENGINEERIN - EG 243
Figure 4.1a. System showing input and output; b. pole-zero plot of the system; c. evolution of a system response. Follow blue arrows to see the evolution of the response component generated by the pole or zero.Control Systems Engineering, Fourth Edition
Swansea UK - ENGINEERIN - EG 243
Figure 6.1 Closed-loop poles and response: a. stable system; b. unstable systemControl Systems Engineering, Fourth Edition by Norman S. Nise Copyright 2004 by John Wiley & Sons. All rights reserved.Figure 6.2Common cause of problems in finding closed-l
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Figure 5.2 Components of a block diagram for a linear, time-invariant systemControl Systems Engineering, Fourth Edition by Norman S. Nise Copyright 2004 by John Wiley & Sons. All rights reserved.Figure 5.3 a. Cascaded subsystems; b. equivalent transfer
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Figure 8.1 a. Closedloop system; b. equivalent transfer function 1+GH=0 is the characteristic equation (CE) CE determines the nature of the output c(t) H is the feedback path, often arranged to be unity - UNFControl Systems Engineering, Fourth Edition by
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Figure 9.1a. Sample root locus, showing possible design point via gain adjustment (A) and desired design point that cannot be met via simple gain adjustment (B); b. responses from poles at A and BControl Systems Engineering, Fourth Edition by Norman S.
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University of Wales Swansea SCHOOL OF ENGINEERING EG 243: Control SystemsRoot Locus1 Plot and calibrate the root locus diagrams of the following systems as a function of the open-loop gain K:a)2K ; s (s + 1)b)K (s + 2 ) ; s (s + 1)c)K (s + 2 ) s(
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Root Locus TechniquesWilliam J. Murphy Washington University in St. Louis Reference: Nise (2004): Chapter 8TOPICSThe Root Locus Method Closed-loop poles Plotting the root locus of a transfer function Choosing a value of K from root locus Closed-loop re
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Tutor: Dr J.S.D. MASONJrmie BARRERoot locus in Control SystemAnalysis and DesignUniversity of Swansea11/03/2005SISO Design ToolThis presentation is 4 examples to learn to use a part of SISO Design Tool.Example 1+-K s ( s 2 + 2)Example 1 1sts
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The root locusTo make the presentation of the SISO Design Tool I took again the training method of the book which was very practical because very visual and very concrete. This method consisted in showing what one wants to learn and use thanks to the use
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