Exercise: Microprocessors

Questions for: Microprocessors

If X = - 285.56 and the Pascal write statement used is WRITE (X : 8). Then the print out will appear as
A:
-285.560
B:
-2.85 E + 02
C:
-2.85560 E + 02
D:
-2.8 E + 02
Answer: D
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A memory system has a 9 chips. If MTBF of one clip is 900 000 hours, MTBF of complete memory system is
A:
900000 hours
B:
100000 hours
C:
8100000 hours
D:
1800000 hours
Answer: B
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Consider the following mnemonics
  1. MOV
  2. ADD
  3. LXI
 Which of the above are valid for 8085?
A:
1 and 2 only
B:
1 only
C:
1, 2 and 3
D:
1 and 3 only
Answer: C
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In which of the following 8085 instructions is the CY flag complemented?
A:
CMA
B:
CMC
C:
STC
D:
RRC
Answer: B
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Almost all high level languages have provision for logical operations.
A:
True
B:
False
C:
D:
Answer: A
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