IndiaBIX

Electronics and Communication Engineering - Exam Questions Papers

Exercise : Exam Questions Papers - Exam Paper 15
31.
Which of the following statements is not correct?
Propagation delay is the time required for a gate to change its state
Noise immunity is the amount of noise which can be applied to the input of a gate without causing the gate to change state
Fan-in of a gate is always equal to fan-out of the same gate
Operating speed is the maximum frequency at which digital data can be applied to a gate
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Signal x(t) is shown below:

The values of `t' for which x(3t - 2) will be zero are:
0,
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Costa's receiver is used for
Coherent detection of AM-SC signal
Asynchronous detection of AM-SC signal
Coherent detection of DSB-SC signal
Asynchronous detection of DSB-SC signal
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
The maximum concentration of the element which can be dissolved in solid silicon at a given temperature is termed as
Solid solubility
Dissolution coefficient
Solidification index
Concentration index
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
What is the purpose of DMA facility in microprocessor based system?
To increase the speed of data transfer between the mP and the I/O devices
To increase the speed of data transfer between the mP and the memory
To increase the speed of data transfer between the memory and the I/O devices
To improve the reliability of the system
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers