IndiaBIX

Electronics and Communication Engineering - Exam Questions Papers

Exercise : Exam Questions Papers - Exam Paper 18
1.
Which of the following devices is used in the microprocessors?
JFET
BJT
MOSFET
CMOS
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
A 2 bit binary multiplier can be implemented using
2 inputs ANDs only
2 inputs XORs and 4 input AND gates only
Two 2 inputs NORs and one XNOR gate
XOR gates and shift registers
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Which one of the following circuits is used for converting a sine wave into a square wave?
Astable multivibration
Monostable multivibration
Bistable multivibration
Schmitt trigger
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
A super heterodyne receiver has a IF of 465 kHz. It is tuned to a station broadcasting at 500 KHz and its oscillator is operating at 965 KHz, then the 1330 KHz frequency would be
adjacent channel frequency
image frequency
gyro frequency
maximum usable frequency
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Following are the properties of impulse function
  2. x(t) ∂(t) = x (0)∂(t)
  3. ∂(- t) = ∂(t)
Choose the correct option
1-true, 2-false, 3-true
1-false, 2-true, 3-true
1-true, 2-true, 3-true
1-true, 2-true, 3-false
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers