Multiple Choice - DOC by fjhuangjun

VIEWS: 3,607 PAGES: 7

									Multiple Choice
  1. Which of the following is not a secondary storage medium?
     a.    CD
     b.    RAM
     c.    DVD
     d.    Zip disk

  2. A large business may require as much as ____ bytes of storage.
     a.     5 million
     b.     50 million
     c.     50 billion
     d.     50 trillion

  3. The term for 1 quadrillion is ____.
     a.     gigabyte
     b.     terabyte
     c.     petabyte
     d.     exabyte

  4. Storage devices access data in ____ of a second.
     a.     thousandths
     b.     millionths
     c.     billionths
     d.     trillionths

  5. ____ measures the amount of time it takes a storage device to locate an item on a
     storage medium.
     a.     Latency
     b.     Tracking
     c.     Access time
     d.     Resolution

  6. Memory chips access data items in ____ of a second.
     a.   millionths
     b.   billionths
     c.   trillionths
     d.   billions

  7. 1 MB is equal to exactly ____ bytes.
     a.    1,000
     b.    1,024
     c.    1,000,000
     d.    1,048,576

  8. Which is not a magnetic storage medium?
   a.      DVD
   b.      floppy disk
   c.      hard disk
   d.      Zip disk

9. A typical floppy disk can store the equivalent of _____ double-spaced pages of
text.
    a.    100
    b.    500
    c.    1000
    d.    10,000

10. A typical floppy disk has ____ tracks on each side.
    a.     20
    b.     40
    c.     80
    d.     160

11. On a floppy disk, if the write-protect notch is ____ the drive can write on the
floppy disk.
    a.     covered
    b.     missing
    c.     open
    d.     bent

12. A Zip disk can hold approximately ____ times more than a floppy disk.
    a.     100
    b.     500
    c.     1,000
    d.     10,000

13. Which of the following is not a characteristic of a hard disk?
    a.    platter
    b.    cylinder
    c.    track
    d.    chip

14. Hard disks spin at 5,400 to ____ rpm.
    a.     6,000
    b.     10,000
    c.     15,000
    d.     20,000

15. A _____ occurs when a hard disk’s read/write head touches the surface of a
platter.
     a.   backup
       b.     head crash
       c.     reading
       d.     writing

   16. Which is not a type of disk controller?
       a.    SATA
       b.    EIDE
       c.    SCSI
       d.    CD-ROM

   17. A(n) _____ stores items by using microscopic pits and lands in its middle layer
       and is read by a laser beam.
       a.      hard disk
       b.      tape
       c.      optical disc
       d.      Zip disk

   18. A(n) _____ disc can be read, written to, and erased.
       a.     CD-ROM
       b.     CD-R
       c.     DVD-ROM
       d.     DVD+RW

   19. A typical CD-ROM holds up to ____ of data.
       a.     1 MB
       b.     1 GB
       c.     1 TB
       d.     1 PB


Note: If you are preparing an examination using your own word processor, for
      Multiple Choice question 20 you must insert Figure11.bmp. Students
      reference this figure to answer the question. To insert Figure11.bmp, use the
      Picture command on the Insert menu. When the Insert Picture dialog box
      displays, select Figure11.bmp from the Printed Test Bank folder in the Test
       Bank & Test Engine main menu item and make sure the Link to File check
       box is not checked.

   20. A ____, as shown in the accompanying figure, is a thin, credit-card-sized device
       that commonly is used in notebook computers.
       a.     tape drive
       b.     PC card
       c.     CD-ROM
       d.     RAM drive
  21. ____ storage requires sequential access of data.
      a.     Disk
      b.     Tape
      c.     Floppy
      d.     CD-ROM

  22. Experts predict that ____ will become the mobile user’s primary storage device.
      a.     RAM
      b.     SmartMedia
      c.     xD Picture Card
      d.     USB flash drives

  23. All of the following are flash memory devices except _____.
      a.      CompactFlash
      b.      Smart Media
      c.      Memory Stick
      d.      Zip disk

  24. A large business, commonly referred to as a(n) ____, has hundreds or thousands
      of employees.
      a.     commonwealth
      b.     megacorp
      c.     enterprise
      d.     legacy

  25. Which has the longest life expectancy?
      a.    microfilm
      b.    magnetic disks
      c.    CDs
      d.    DVDs



True/False
T F     1. A storage medium also is called secondary storage.

T F     2. A typical floppy disk can store approximately 10 MB of data.

T F     3. A yottabyte is a fanciful name for a small number of bytes.

T F     4. A typical hard disk can store a maximum of 1.44 MB of data.

T F     5. When storage devices write on storage media, they are creating output.

T F     6. The access time of memory is slow, compared with the access time of storage.

T F     7. A sector is a narrow recording band that forms a full circle on the surface of the
          disk.

T F    8. Sectors are broken into small arcs called tracks.

T F    9. A Zip disk can store from 100 MB to 100 GB.

T F   10. Floppy disks are not as widely used as they were 15 years ago because of their low
          storage capacity.

T F   11. A floppy disk drive can read from a floppy disk only when the write-protect notch
          is closed.

T F   12. Like floppy disks and Zip disks, hard disk are optical storage media.

T F   13. You can read from and write on a hard disk any number of times.

T F   14. A hard disk that is mounted inside the system unit sometimes is called a fixed disk.

T F   15. Hard disks store data magnetically.

T F   16. The capacity of a hard disk is determined, in part, from the number of platters it
          contains.

T F   17. On desktop computers, hard disk platters most often have a size of approximately
          5” in diameter.

T F   18. A hard disk’s actual capacity sometimes is different from the advertised capacity
          because of bad sectors on the disk.

T F   19. The location of a hard disk’s read/write heads often is referred to by its cylinder.

T F   20. A sector is the vertical section of a track that passes through all platters.

T F   21. The distance between a hard disk’s read/write head and the platter is about 1/10 of
          an inch.

T F   22. Miniature hard disks have storage capacities that range from 2 GB to 100 GB.

T F   23. Portable hard disks have storage capacities up to 250 GB or higher.

T F   24. SCSI controllers can support up to 15 peripheral devices.

T F   25. Once users subscribe to an online storage service, they can save on the Internet hard
          disk in the same manner they save on their local hard disk

T F   26. The primary advantage of the EIDE hard disk interface is its cables are thinner,
          longer, more flexible, and less susceptible to interference.

T F   27. Some optical discs are double-sided.
T F   28. Optical discs store items by using microscopic lands (indentations) and pits (flat
          areas).

T F   29. A high-powered laser beam creates the pits on an optical disc.

T F   30. DVDs have a much greater storage capacity than CDs.

T F   31. You cannot erase a DVD-ROM.

T F   32. You can erase a CD-RW.

T F   33. A CD-ROM holds about as much data as 4,500 floppy disks.

T F   34. A CD-ROM is read-only.

T F   35. The process of copying an individual song from a purchased audio CD and
          converting it to a digital format is called tearing.

T F   36. A CD-R’s contents can be erased.

T F   37. Some DVD-ROMs are double-sided.

T F   38. DVD+RAM allows users to erase and record on a DVD+RAM disc more than
          100,000 times.

T F   39. One of the first storage media used with personal computers was tape.

T F   40. Tape no longer is used as a primary method of storage.

T F   41. The advantage of a PC Card for storage is its portability.

T F   42. Three types of miniature mobile storage media are flash memory cards, smart cards,
          and Zip disks.

T F   43. Floppy disks, Zip disks, hard disks, CDs, and DVDs all use sequential access.

T F   44. A Memory Stick has a storage capacity up to 1.44 MB.

T F   45. Card reader/writers usually connect to the USB, FireWire, or parallel port on the
          system unit.

T F   46. Current USB flash drives have storage capacities up to 4 GB.

T F   47. Smart cards cannot be updated.

T F   48. Smart cards contain a processor and have input, process, output, and storage
          capabilities.

T F   49. One advantage of microfilm is that it reduces the amount of paper firms must
          handle.

T F   50. Microfilm has a potential life expectancy of 20 to 30 years.

								
To top