Exercise: Microprocessors

Questions for: Microprocessors

A PC can be upgraded to a multimedia PC by adding CD ROM drive, sound card etc.
A:
True
B:
False
C:
D:
Answer: A
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The chip 8254 is a 40 pin programmable interval timer. The number of its independent 16 bit counters is
A:
2
B:
3
C:
4
D:
5
Answer: D
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Which DOS command improves memory usage?
A:
MEM MAKER
B:
MOVE
C:
MEM IM
D:
None on the above
Answer: A
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Consider the following

ON GO TO statement in Basic
35 ON A GO TO 15, 25, 35

If the value of A is 2.6, the control will transfer to
A:
line 15
B:
line 25
C:
line 35
D:
any of the lines 15 or 25, 35
Answer: B
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Which of the following has unique representation of 0?
A:
sign magnitude
B:
1's complement
C:
2's complement
D:
both (b) and (c)
Answer: C
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