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. |
| 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: Option B
Explanation:
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| 2. |
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: Option B
Explanation:
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| 3. |
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: Option D
Explanation:
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| 4. |
Read the following statements as regards register pairs in microprocessor 8085 - B represents B, C pair with B as high order register and C as low order register.
- D represents D, E pair with D as high order register and E as low order register.
- 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: Option A
Explanation:
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| 5. |
The 8085 instruction 'PUSH PSW' belongs to the group |
| A. |
data transfer | | B. |
arithmetic | | C. |
logic | | D. |
none of the above |
Answer: Option D
Explanation:
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