Computer Science - Computer Fundamentals
Exercise :: Computer Fundamentals - Section 6
| 11. |
Which of the following input/output devices is not associated with personal computers? |
| A. |
mice | | B. |
color monitors | | C. |
punched cards | | D. |
dot-matrix printers | | E. |
optical scanners |
Answer: Option C
Explanation:
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| 12. |
The ALU of a computer responds to the commands coming from |
| A. |
primary memory | | B. |
control section | | C. |
external memory | | D. |
cache memory | | E. |
None of the above |
Answer: Option B
Explanation:
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| 13. |
The heart of any computer is the |
| A. |
CPU | | B. |
Memory | | C. |
I/O Unit | | D. |
Disks | | E. |
None of the above |
Answer: Option A
Explanation:
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| 14. |
Which of the following are likely to jam the read/write head of a disk pack? |
| A. |
Dust | | B. |
Smoke particle | | C. |
Finger print smudge | | D. |
All of the above | | E. |
None of the above |
Answer: Option D
Explanation:
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| 15. |
Impact printers |
| A. |
strike a ribbon against the paper to produce character images | | B. |
include ink-jet and thermal devices | | C. |
are more expensive than Laser printers | | D. |
use optical technology | | E. |
None of the above |
Answer: Option A
Explanation:
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