Chapter 7 Test - Chapter 7: Storage MULTIPLE CHOICE 1. ____...

Chapter 7 Test
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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 hold. a. Resolution c. Capacity b. Dimensionality d. Retention ANS: C PTS: 1 REF: 354 4. A(n) ____ device is the computer hardware that records and/or retrieves items to and from storage me- dia. a. concatenation c. resolved b. indexed d. storage ANS: D PTS: 1 REF: 354 5. The inflexible, circular platters on ____ disks use magnetic particles to store data, instructions, and in- formation on a disk’s surface. a. hard c. optical b. digital d. indexed ANS: A PTS: 1 REF: 355 6. Memory (chips) accesses items in ____. a. nanoseconds c. milliseconds b. microseconds d. seconds ANS: A PTS: 1 REF: 355 7. Storage devices access items in ____. a. nanoseconds c. milliseconds b. microseconds d. either B or C ANS: D PTS: 1 REF: 355 8. The smallest unit of data a computer can process is a(n) ____. a. cluster c. bit b. allocation unit d. integer ANS: C PTS: 1 REF: 355
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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 ANS: C PTS: 1 REF: 356 10. Businesses use hard disks to store ____. a. correspondence c. customer orders and invoices b. contracts d. all of the above ANS: D PTS: 1 REF: 356 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 ANS: B PTS: 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 ANS: D PTS: 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 ANS: A PTS: 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 ANS: C PTS: 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 ANS: A PTS: 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, dam- aged, or destroyed. a.
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