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Electronics and Communication Engineering - Exam Questions Papers

Exercise : Exam Questions Papers - Exam Paper 19
36.
Which of the following circuits come under the class of sequential logic circuits?
  1. Full adder
  2. Full subtractor
  3. Half adder
  4. J-K flip-flop
  5. Counter
Select the correct answer from the codes given below:
1 and 2
1, 2 and 3
3 and 4
4 and 5
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Which of the following measurements can be done using a counter?
  1. Pulse duration
  2. Interval between two pulses
  3. Amplitude of the pulse
  4. Rise time of a pulse
Select the correct answer from the codes given below:
1 and 2
2 and 3
1 and 4
2 and 4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
The transfer function of a tachometer is of the form :
Ks
K/s
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
The maximum power dissipation capacity of a transistor is 50 mW. If the collector emitter voltage is 10 V, what is the safe collector current that can be allowed through the transistor?
5 mA
2.5 mA
10 mA
25 mA
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Consider the following statements regarding registers and latches:
  1. Registers are made of edge-triggered FFs, whereas latches are made from level-triggered FFs.
  2. Registers are temporary storage devices whereas latches are not.
  3. A latch employs cross-coupled feedback connections.
  4. A register stores a binary word whereas a latch does not.
Which of the above statements is/are correct?
1 only
1 and 3
2 and 3
3 and 4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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