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Computer Science - Computer Fundamentals

Exercise : Computer Fundamentals - Section 6
11.
Which of the following input/output devices is not associated with personal computers?
mice
color monitors
punched cards
dot-matrix printers
optical scanners
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
The ALU of a computer responds to the commands coming from
primary memory
control section
external memory
cache memory
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
The heart of any computer is the
CPU
Memory
I/O Unit
Disks
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Which of the following are likely to jam the read/write head of a disk pack?
Dust
Smoke particle
Finger print smudge
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Impact printers
strike a ribbon against the paper to produce character images
include ink-jet and thermal devices
are more expensive than Laser printers
use optical technology
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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