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Electronics and Communication Engineering - Microprocessors

Exercise : Microprocessors - Section 6
1.

Assertion (A): A PROM is a user programmable ROM.

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

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct R is wrong
A is wrong R is correct
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
The operator precedence in Java is in the order
arithmetic operation, increment and decrement operation, comprassion, logical operation and assignment operation.
increment and decrement operation, arithmetic operation, comparison, logical operation and assignment operation.
comparison, arithmetic operation, increment and decrement operation, logical operation and assignment operation.
arithmetic operation, comparison operation, increment and decrement operation, logical operation and assignment operation.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
A colour monitor usign 16 bits at a resolution of 600 x 400 pixels needs a memory of
240000 B
9600 B
6400 B
480000 B
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
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?
All
1 and 3
1 and 2
2 and 3 only
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The 8085 instruction 'PUSH PSW' belongs to the group
data transfer
arithmetic
logic
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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