计算机专业英语Chapter007.doc

Chapter 007 Secondary Storage

Multiple Choice Questions

1. Hard disks store and organize files using all the following, except: 
A. tracks
B. sectors
C. cylinders
D. paths

2. Which of the following is true about an internal hard disk? 
A. Variable amount of storage
B. Fixed amount of storage
C. Portable
D. Slow

3. On a hard disk each track is divided into invisible wedge-shaped sections called: 
A. bits
B. platters
C. cylinders
D. sectors

4. The hard disk's disk surface is scratched and some or all of the data is destroyed when there is a: 
A. head crash
B. cylinder crash
C. track crash
D. sector crash

5. Which of the following is not an example of secondary storage? 
A. External hard drives
B. RAID
C. RAM
D. Flash drives

6. An external hard disk: 
A. is heavy.
B. is hard to remove.
C. cannot be used in addition to an internal hard disk.
D. usually connects to a USB or FireWire port.

7. Storage that retains its data after the power is turned off is referred to as: 
A. volatile storage.
B. sequential storage.
C. direct storage.
D. nonvolatile storage.

8. The process of accessing information from secondary storage devices is referred to as: 
A. backing up.
B. restoring.
C. writing.
D. reading.

9. The ____ of a secondary storage device indicates how much data the storage medium can hold. 
A. access
B. capacity
C. memory
D. storage

10. Which of the following measures the amount of time required by the storage device to retrieve data and programs? 
A. Nonvolatile media
B. Capacity
C. Access speed
D. RAM

11. One way to improve the storage capacity of a hard disk is to: 
A. format often.
B. use file compression.
C. increase memory.
D. use disk caching.

12. This process improves system performance by acting as a temporary high-speed holding area between a secondary storage device and the CPU. 
A. Data compression
B. Data access
C. Disk caching
D. RAID

13. Which of the following characteristics about RAID is incorrect? 
A. expanded storage capability
B. fast access speed
C. highly reliable
D. one high-capacity hard disk drive

14. Three ways to improve the performance of a hard disk include: 
A. disk caching, RAID, and file expansion.
B. file compression, disk caching, and file encryption.
C. disk caching, RAID, and file compression.
D. RAID, file compression and disk expansion.

15. Which of these is not an example of solid state storage? 
A. Digital versatile disc
B. SSDs
C. Flash memory cards
D. USB drives

16. Smartphones use which of these storage technologies? 
A. Optical drive
B. Solid state drive
C. Flash memory card
D. Flash drive

17. Optical discs use these to represent data. 
A. Analog signals
B. Magnetic charges
C. Pits and lands
D. Laser beams

18. A CD-RW disc: 
A. can be written to only once.
B. can be erased and rewritten.
C. cannot be written on.
D. cannot be erased.

19. All of the following are true of DVD-ROM drives except: 
A. They are also known as erasable optical discs.
B. They can provide over two hours of high-quality video and sound comparable to that found in motion picture theatres.
C. They are a type of optical disc.
D. DVD-ROM stands for "digital versatile disc–read only memory".

20. The standard for high definition optical discs is: 
A. DVD-RAM
B. HD DVD
C. Blu-ray
D. HD CD

21. These discs have a capacity of 50 gigabytes on one side. 
A. HD DVD
B. CD
C. DVD
D. Blu-Ray

22. Solid-state storage devices are different than hard disks in that they: 
A. have no moving parts.
B. have a higher capacity.
C. have greater access speed.
D. are volatile.

23. What is it called when servers on the Internet supply applications as a service, rather than a product? 
A. Digital versatile computing
B. Service computing
C. Cloud computing
D. Optical computing

24. This allows you to upload and store documents on the Internet. 
A. Cloud storage
B. Flash drive
C. Solid State storage
D. Hard Disk drive

25. Which of these is not a mass storage device? 
A. RAID system
B. File server
C. Optical disc
D. Organizational cloud storage

True / False Questions

26. Media are the actual physical material that holds the data and programs. 
True    False

27. The process of saving information to a secondary storage device is referred to as embedding. 
True    False

28. Secondary storage provides temporary or volatile storage. 
True    False

29. Hard disks use tracks, sectors, and cylinders to store and organize files. 
True    False

30. A smoke particle, fingerprint, dust, or human hair could cause a hard disk head crash. 
True    False

31. A hard crash typically occurs on an optical disk when it makes contact with particles on its surface. 
True    False

32. External hard drives are used primarily to complement an internal hard disk. 
True    False

33. External hard disks use different technology than internal hard disks. 
True    False

34. Disk caching improves hard-disk performance by compressing files. 
True    False

35. Disk caching uses a combination of hardware and software. 
True    False

36. RAID connects several inexpensive hard-disk drives to one another. 
True    False

37. File compression is only available on hard disk drives. 
True    False

38. CD-ROMs are often used to archive data and to record music downloaded from the Internet. 
True    False

39. DVDs have replaced CDs as the standard optical disc. 
True    False

40. Blu-ray Discs are the high definition standard and have a far greater capacity than DVDs. 
True    False

41. Facebook is an example of cloud storage. 
True    False

42. If you have used Google Docs to create a word processing document, you have used cloud computing. 
True    False

43. In order to access your documents and files that are stored in the cloud, you must have an Internet connection. 
True    False

44. Mass storage devices are specialized high-capacity secondary storage devices designed to store large amounts of data for an organization. 
True    False

45. File servers are appropriate devices to use in an enterprise storage system. 
True    False

Fill in the Blank Questions

46. _____ speed is the measure of the amount of time required by a storage device to retrieve data and programs. 
________________________________________

47. Tracks are divided into invisible wedge-shaped sections called _____. 
________________________________________

48. Disk _____ improves hard-disk performance by anticipating data needs and reducing time to access data from secondary storage. 
________________________________________

49. A(n) _____ hard disk is typically connected to a USB or FireWire port. 
________________________________________

50. A _____ occurs when a read/write head makes contact with the hard disk's surface or with particles on its surface. 
________________________________________

51. File _____ programs scan files for ways to reduce the amount of required storage. 
________________________________________

52. File _____ expands compressed files. 
________________________________________

53. Due to its expanded storage capability, fast access speed, and high reliability, _____ is often used by Internet servers and large organizations. 
________________________________________

54. USB drives are also known as _____ drives. 
________________________________________

55. _____ memory cards are a form of a solid-state storage device widely used in smartphones, digital media players and GPS navigation systems. 
________________________________________

56. CD-ROM is an example of a(n) _____ type of storage medium. 
________________________________________

57. DVD + R and DVD-R both stand for DVD _____. 
________________________________________

58. Typically a microcomputer uses an _____ hard disk to store the operating system and software applications. 
________________________________________

59. DVD stands for digital versatile disc or digital _____ disc. 
________________________________________

60. The hi-def standard for optical discs is the _____ Disc. 
________________________________________

61. Three common storage options discussed in your text are hard disk, _____, and solid-state storage. 
________________________________________

62. With _____, or online storage, you can access your files from any computer with an Internet connection. 
________________________________________

63. A good way to share files with others is to use a ________, or online, storage service. 
________________________________________

64. Most large organizations store data through a strategy called a(n) _____ to promote efficient and safe use of data across the networks within their organizations. 
________________________________________

Essay Questions

65. Discuss the importance and uses of secondary storage devices. 

66. List and explain some of the important characteristics of secondary storage. 

67. What causes a head crash to occur? 

68. Describe a RAID. 

69. What is solid-state storage? Give examples. 

70. Briefly discuss the differences between CD, DVD, and Blu-ray discs. 

71. Describe how file compression works. Explain the advantages of file compression. 

72. Describe some of the advantages and disadvantages of using cloud computing and cloud storage. 

73. Describe some of the mass storage devices that support an enterprise storage system. 

74. What is a storage area network? 

7-37
Chapter 007 Secondary Storage Key

Multiple Choice Questions

1. (p. 189) Hard disks store and organize files using all the following, except: 
A. tracks
B. sectors
C. cylinders
D. paths

AACSB: Technology
Blooms: Remember
Difficulty: 3 Hard
Learning Outcome: 07-03
Topic: Hard Disks

2. (p. 190) Which of the following is true about an internal hard disk? 
A. Variable amount of storage
B. Fixed amount of storage
C. Portable
D. Slow

AACSB: Technology
Blooms: Remember
Difficulty: 2 Medium
Learning Outcome: 07-04
Topic: Internal Hard Disk

3. (p. 189) On a hard disk each track is divided into invisible wedge-shaped sections called: 
A. bits
B. platters
C. cylinders
D. sectors

AACSB: Technology
Blooms: Remember
Difficulty: 2 Medium
Learning Outcome: 07-03
Topic: Hard Disks

4. (p. 190) The hard disk's disk surface is scratched and some or all of the data is destroyed when there is a: 
A. head crash
B. cylinder crash
C. track crash
D. sector crash

AACSB: Technology
Blooms: Remember
Difficulty: 3 Hard
Learning Outcome: 07-03
Topic: Hard Disks

5. (p. 188) Which of the following is not an example of secondary storage? 
A. External hard drives
B. RAID
C. RAM
D. Flash drives

AACSB: Technology
Blooms: Remember
Difficulty: 1 Easy
Learning Outcome: 07-01
Topic: Storage

6. (p. 190) An external hard disk: 
A. is heavy.
B. is hard to remove.
C. cannot be used in addition to an internal hard disk.
D. usually connects to a USB or FireWire port.

AACSB: Technology
Blooms: Remember
Difficulty: 3 Hard
Learning Outcome: 07-04
Topic: External Hard Drives

7. (p. 188) Storage that retains its data after the power is turned off is referred to as: 
A. volatile storage.
B. sequential storage.
C. direct storage.
D. nonvolatile storage.

AACSB: Technology
Blooms: Remember
Difficulty: 1 Easy
Learning Outcome: 07-01
Topic: Storage

8. (p. 188-189) The process of accessing information from secondary storage devices is referred to as: 
A. backing up.
B. restoring.
C. writing.
D. reading.

AACSB: Technology
Blooms: Remember
Difficulty: 1 Easy
Learning Outcome: 07-01
Topic: Storage

9. (p. 189) The ____ of a secondary storage device indicates how much data the storage medium can hold. 
A. access
B. capacity
C. memory
D. storage

AACSB: Technology
Blooms: Remember
Difficulty: 1 Easy
Learning Outcome: 07-01
Topic: Storage

10. (p. 189) Which of the following measures the amount of time required by the storage device to retrieve data and programs? 
A. Nonvolatile media
B. Capacity
C. Access speed
D. RAM

AACSB: Technology
Blooms: Remember
Difficulty: 2 Medium
Learning Outcome: 07-01
Topic: Storage

11. (p. 190) One way to improve the storage capacity of a hard disk is to: 
A. format often.
B. use file compression.
C. increase memory.
D. use disk caching.

AACSB: Technology
Blooms: Remember
Difficulty: 2 Medium
Learning Outcome: 07-05
Topic: Performance Enhancements

12. (p. 190) This process improves system performance by acting as a temporary high-speed holding area between a secondary storage device and the CPU. 
A. Data compression
B. Data access
C. Disk caching
D. RAID

AACSB: Technology
Blooms: Remember
Difficulty: 2 Medium
Learning Outcome: 07-05
Topic: Performance Enhancements

13. (p. 191) Which of the following characteristics about RAID is incorrect? 
A. expanded storage capability
B. fast access speed
C. highly reliable
D. one high-capacity hard disk drive

AACSB: Technology
Blooms: Remember
Difficulty: 2 Medium
Learning Outcome: 07-05
Topic: Redundant arrays of inexpensive disks (RAID)

14. (p. 190) Three ways to improve the performance of a hard disk include: 
A. disk caching, RAID, and file expansion.
B. file compression, disk caching, and file encryption.
C. disk caching, RAID, and file compression.
D. RAID, file compression and disk expansion.

AACSB: Technology
Blooms: Remember
Difficulty: 2 Medium
Learning Outcome: 07-05
Topic: Performance Enhancements

15. (p. 194) Which of these is not an example of solid state storage? 
A. Digital versatile disc
B. SSDs
C. Flash memory cards
D. USB drives

AACSB: Technology
Blooms: Remember
Difficulty: 1 Easy
Learning Outcome: 07-07
Topic: Solid-State Storage

16. (p. 194) Smartphones use which of these storage technologies? 
A. Optical drive
B. Solid state drive
C. Flash memory card
D. Flash drive

AACSB: Technology
Blooms: Remember
Difficulty: 3 Hard
Learning Outcome: 07-07
Topic: Flash Memory Cards

17. (p. 192) Optical discs use these to represent data. 
A. Analog signals
B. Magnetic charges
C. Pits and lands
D. Laser beams

AACSB: Technology
Blooms: Remember
Difficulty: 3 Hard
Learning Outcome: 07-06
Topic: Optical Discs

18. (p. 193) A CD-RW disc: 
A. can be written to only once.
B. can be erased and rewritten.
C. cannot be written on.
D. cannot be erased.