Exercise: Microprocessors

Questions for: Microprocessors

The 8085 instruction 'PUSH PSW' belongs to the group
A:
data transfer
B:
arithmetic
C:
logic
D:
none of the above
Answer: D
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Read the following statements as regards register pairs in microprocessor 8085
  1. B represents B, C pair with B as high order register and C as low order register.
  2. D represents D, E pair with D as high order register and E as low order register.
  3. H represents H, L pair with H as high order register and L as low order register.
Which of the above statements are correct?
A:
All
B:
1 and 3
C:
1 and 2
D:
2 and 3 only
Answer: A
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A colour monitor usign 16 bits at a resolution of 600 x 400 pixels needs a memory of
A:
240000 B
B:
9600 B
C:
6400 B
D:
480000 B
Answer: D
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The operator precedence in Java is in the order
A:
arithmetic operation, increment and decrement operation, comprassion, logical operation and assignment operation.
B:
increment and decrement operation, arithmetic operation, comparison, logical operation and assignment operation.
C:
comparison, arithmetic operation, increment and decrement operation, logical operation and assignment operation.
D:
arithmetic operation, comparison operation, increment and decrement operation, logical operation and assignment operation.
Answer: B
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Assertion (A): A PROM is a user programmable ROM.

Reason (R): After programming PROM behaves like ROM.

A:
Both A and R are correct and R is correct explanation of A
B:
Both A and R are correct but R is not correct explanation of A
C:
A is correct R is wrong
D:
A is wrong R is correct
Answer: B
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