Computer Memory(Computer Science ) Questions and Answers

Question 1. An output device that uses words or messages recorded on a magnetic medium to produce audio response is
  1.    Magnetic tape
  2.    Voice response unit
  3.    Voice recognition unit
  4.    Voice band
Explanation:-
Answer: Option B. -> Voice response unit
Question 2. Storage that retains its data after the power is turned off is referred to as _________.
  1.    volatile storage
  2.    sequential storage
  3.    direct storage
  4.    non-volatile storage
  5.    mobile storage
Explanation:-
Answer: Option D. -> non-volatile storage
Question 3. Which of the following is not a storage medium?
  1.    hard disk
  2.    flash drive
  3.    DVD
  4.    CD
  5.    keyboard
Explanation:-
Answer: Option E. -> keyboard
Question 4. The life span of a CD-ROM is
  1.    approximately one year
  2.    approximately two years
  3.    approximately five years
  4.    approximately twenty-five years
  5.    almost unlimited
Explanation:-
Answer: Option C. -> approximately five years
Question 5. Which of the following are advantages of CDROM as a storage media?
  1.    CD-ROM is an inexpensive way to store large amount of data and information.
  2.    CD-ROM disks retrieve data and information more quickly than magnetic disks do.
  3.    CD-ROMs make less errors than magnetic media.
  4.    All the above
  5.    None of these
Explanation:-
Answer: Option A. -> CD-ROM is an inexpensive way to store large amount of data and information.
Question 6. Binary circuit elements have
  1.    One stable state
  2.    Two stable state
  3.    Three stable state
  4.    None of above
Explanation:-
Answer: Option B. -> Two stable state
Question 7. Which of the items below are considered removable storage media?
  1.    Removable hard disk cartridges
  2.    ( Magneto - optical) disk
  3.    Flexible disks cartridges
  4.    All of the above
Explanation:-
Answer: Option D. -> All of the above
Question 8. All of the following are included in removable media Except –
  1.    CD-ROMs
  2.    Diskette
  3.    DVDs
  4.    Hard Disk Drive
  5.    None of these
Explanation:-
Answer: Option D. -> Hard Disk Drive
Question 9. What type of device is a 3½ inch floppy drive ?
  1.    Input
  2.    Output
  3.    Software
  4.    Storage
  5.    None of these
Explanation:-
Answer: Option D. -> Storage
Question 10. The most common storage device for the personal computer is
  1.    Floppy disk
  2.    USB thumb drive
  3.    Zip disk
  4.    Hard disk
  5.    Pen drive
Explanation:-
Answer: Option D. -> Hard disk
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