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Electronics and Communication Engineering - Exam Questions Papers

Exercise : Exam Questions Papers - Exam Paper 21
31.
Which of the following counters can be used to divide the clock frequency of a microprocessor by 5?
3 bit counter
5 bit counter
mod 3 counter
mod 5 counter
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
In the given circuit, the switch has been in position 1 for quite a long time. At t = 0 the switch is moved to position 2. At this position what is the time constant?
0.1 s
1 s
0.11 s
1.11 s
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
A divide by 78 counters can be realized by using
six mod-13 counters
thirteen mod-6 counters
one mod 13 counter followed by one mod-6 counter
thirteen mod-13 counters
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
The process of extension of a single-crystal surface by growing a film in such a way that the added atoms form a continuation of the single-crystal structure is called
Ion implantation
Chemical vapour deposition
Electroplating
Epitaxy
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Which of the following are the non-linear application of op-amp?
  1. Current-to-voltage converter
  2. Comparator
  3. Peak detector
  4. Limiter
Select the correct answer from the codes given below:
1, 2 and 3
2, 3 and 4
1, 3 and 4
1, 2 and 4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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