Electronics and Communication Engineering - Digital Electronics
Exercise :: Digital Electronics - Section 19
| 11. |
The internal structure of PL A is similar to |
| A. |
RAM | | B. |
ROM | | C. |
both RAM and ROM | | D. |
neither RAM nor ROM |
Answer: Option D
Explanation:
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| 12. |
Start and stop bit do not contain any information but are used in serial communication for |
| A. |
error correction | | B. |
error detection | | C. |
synchronization | | D. |
slowing down the communication |
Answer: Option C
Explanation:
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| 13. |
Which of the following parameters is not specified for digital ICs? |
| A. |
Gate dissipation | | B. |
Propagation delay | | C. |
Noise margin | | D. |
Bandwidth |
Answer: Option D
Explanation:
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| 14. |
A binary adder has |
| A. |
one half adder | | B. |
one half adder and 2 full adders | | C. |
two half adders | | D. |
one half adder and many full adders |
Answer: Option D
Explanation:
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| 15. |
Program counter in a digital computer |
| A. |
counts the number of programs run in the machine | | B. |
counts the number of times a subroutine | | C. |
counts the number of time the loops are executed | | D. |
points the memory address of the current or the next instruction |
Answer: Option D
Explanation:
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