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Electronics and Communication Engineering - Exam Questions Papers

Exercise : Exam Questions Papers - Exam Paper 14
46.
With reference to C programming language, which of the following statements are correct?
  1. An identifier may start with an underscore.
  2. An identifier may end with an underscore.
  3. If is a valid identifier.
  4. The number of significant characters in and identifier is implementation dependent.
Select the correct answer from the codes given below:
1 and 2 only
2 and 3 only
1, 2, 3 and 4
3 and 4 only
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
A matched filter has a frequency response given:

The impulse response h(t) of the filter is :
[δ(t) - δ(t - T]
[u(t) - u(t - T)]
[S gn(t) - Sgn(t - t)]
[S gn(t) + Sgn(t - T)]
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Given a unity feedback system with open-loop transfer function, The root locus plot of the system is of the form :
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
If there is phase error in the carrier signal for the detection of SSB signals, then
the output gets reduced, but a phase distortion results
the output is not reduced, but a phase distortion results
the output is not reduced, and also no distortion
the output is reduced, no phase distortion
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
How many and which types of machine cycles are needed to execute PUSH PSW by 8085 microprocessor?
2, Fetch and memory write
3, Fetch and memory write
3, Fetch and memory read
3, Fetch and memory read and memory write
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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