Test Discover 3 Chapter 7-9 ______________________
Name:
Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. To avoid damaging a floppy disk, do all of the following except ____. a. avoid exposing the disk to heat, cold, or magnetic fields b. open the disk's shutter and touch its recording surface c. avoid contaminants such as dust, smoke, or salt air d. keep the disk in a storage tray that allows it to stand vertically 2. The large capacity Zip disks hold about ____ times more than a standard floppy disk. a. 200 c. 400 b. 300 d. 500 3. Current personal computer hard disks have storage capacities from 40 to 160 ____ and more. a. KB c. MB b. GB d. PB 4. While the computer is running, the platters in a hard disk usually rotate at ____, which allows nearly instant access to all tracks and sectors. a. 54 to 72 revolutions per minute (rpm) b. 5,400 to 7,200 revolutions per second (rps) c. 54 to 72 revolutions per hour (rph) d. 5,400 to 7,200 revolutions per minute (rpm) 5. CDs and DVDs 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 6. CDs and DVDs 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 7. A standard CD-ROM drive can read a ____. a. DVD c. hard disk b. Picture CD d. all of the above 8. Originally called an erasable CD (CD-E), 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 9. In Windows XP, the ____ consists of several files that contain the system configuration information. a. buffer c. platform b. driver d. registry 10. With a ____, users interact with menus and visual images such as icons, buttons, and other objects to issue commands. a. command-line interface c. performance-monitor interface b. menu-driven interface d. graphical user interface (GUI) 11. Networks, midrange servers, mainframes, and supercomputers allow hundreds to thousands of people to connect at the same time, and thus are ____. a. single user c. multiuser
____
____ ____
____
____
____
____
____
____
____
____ 12.
____ 13.
____ 14.
____ 15.
____ 16.
____ 17.
____ 18.
____ 19.
____ 20.
____ 21.
____ 22.
____ 23.
b. single processing d. multiprocessing If a new device, such as a printer or scanner, is attached to a computer, its ____ must be installed before the device can be used. a. driver c. manager b. platform d. kernel Utility programs included with most operating systems provide all of the following functions except ____. a. managing files and viewing graphics files b. uninstalling programs and diagnosing problems c. removing viruses and compressing files d. backing up files and defragmenting disks Windows XP includes a file manager called ____. a. Windows Picture and Fax Viewer c. DriveSpace b. Windows Explorer d. Dr. Watson The Windows .NET Server family includes ____ for the typical small- to medium-sized business network. a. Windows .NET Standard Server c. Windows .NET Datacenter Server b. Windows .NET Enterprise Server d. Windows .NET Web Server Popular embedded operating systems include all of the following except ____. a. Windows CE .NET c. Pocket PC 2002 b. Palm OS and Symbian OS d. NetWare and Linux ____, which is used on PDAs such as the Sony CLIE, supports handwriting recognition software called Graffiti. a. Palm OS c. Pocket PC 2002 b. Symbian OS d. Windows CE .NET A GPS receiver is a handheld, mountable, or embedded device that contains all of the following except a(n) ____. a. radio receiver c. floppy disk b. antenna d. processor A ____ is a network that connects computers and devices in a limited geographical area, such as a home, school computer laboratory, or office building. a. local area network (LAN) c. wide area network (WAN) b. metropolitan area network (MAN) d. variable area network (VAN) The design of computers, devices, and media in a network, sometimes called the ____, is categorized as either client/server or peer-to-peer. a. network topology c. network technology b. network architecture d. network protocol A file server is a dedicated server that ____. a. stores and manages files b. manages printers and print jobs c. stores and provides access to a database d. manages network traffic (activity) The technique of breaking a message into individual packets, sending the packets along the best route available, and then reassembling the data is called ____. a. packet catching c. packet switching b. packet building d. packet swapping With ISDN, the same telephone line that could carry only one computer signal now can carry three or more signals at once through the same line, using a technique called ____. a. packet switching c. multiplexing b. routing d. modulating
____ 24. DSL is much ____ data transfer rates. a. harder to install than ISDN and provides much slower b. harder to install than ISDN but provides much faster c. easier to install than ISDN but provides much slower d. easier to install than ISDN and provides much faster ____ 25. The most popular T-carrier line is the ____. a. T1 line c. T3 line b. T2 line d. T4 line ____ 26. A T3 line is ____. a. slower than a T1 line and quite expensive b. slower than a T1 line but quite inexpensive c. equal in speed to 28 T1 lines but quite expensive d. equal in speed to 28 T1 lines and quite inexpensive ____ 27. For data transmission to occur, ____ of a standard telephone line have must a dial-up modem. a. only the sending end c. both the sending and receiving ends b. only the receiving end d. neither the sending nor receiving end ____ 28. A(n) ____ extends the basic home network to include features such as lighting control, thermostat adjustment, and a security system. a. peripheral home network c. wired home network b. value-added home network d. intelligent home network ____ 29. ____ is the term used by the United States Federal Communications Commission (FCC) to identify all wireless digital communications. a. PCS (Personal Communications Services) b. EFT (Electronic Funds Transfer) c. PDS (Public Data Services) d. EDI (Electronic Data Interchange) ____ 30. Microwave transmission, sometimes called ____, involves sending signals from one microwave station to another. a. line-of-sight transmission c. out-of-sight transmission b. flexed-point wireless d. fixed-point wireless True/False Indicate whether the sentence or statement is true or false. ____ 31. To read from or write on a floppy disk, a floppy disk drive must support that floppy disk's density. ____ 32. Today's hard disks have enough storage capacity for the most complex multimedia software. ____ 33. CDs and DVDs are a type of magnetic media that consists of a raised, square, fixed plastic disc with a protective metal coating. ____ 34. Manufacturers write, or record, the contents of standard CD-ROMs, and users only can read the contents of these discs. ____ 35. To view, edit, or print images and information stored on miniature storage media, its contents must be transferred to a desktop computer or other device. ____ 36. If the POST completes successfully, the BIOS searches for specific operating system files called system files. ____ 37. Early systems were multitasking, but most of today's operating systems are single user/single tasking.
____ 38. If application software has stopped responding and the hard disk's LED blinks repeatedly, the operating system probably is thrashing. ____ 39. Some operating systems include a Web browser and an e-mail program, enabling users to begin accessing the Web and communicating with others as soon as they set up the Internet connections. ____ 40. The information in performance reports helps users identify a problem with resources so they can try to resolve any problems. ____ 41. When users press a key or move the mouse, a screen saver disappears and the screen returns to the previous state. ____ 42. A device-dependent program runs on computers provided by a variety of manufacturers. ____ 43. An upgrade usually costs more than purchasing an entire operating system. ____ 44. A network operating system typically resides on a client. ____ 45. Examples of networking software that support P2P are Gnutella and KaZaA, which allow users to swap MP3 music files on the Web. ____ 46. With 802.11b, in open or outdoor areas free from interference, the computers or devices should be beyond 10,000 feet of each other. ____ 47. Infrared requires line-of-sight transmission; that is, the sending device and the receiving device must be in line with each other so that nothing obstructs the path of the infrared light wave. ____ 48. Cable modems currently transfer data at speeds that are much slower than either a dial-up modem or ISDN. ____ 49. To access the Internet using a CATV service, the CATV company installs a splitter inside the house from which one part of the cable runs to the televisions and the other part connects to the cable mod...