GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 556 - 559 of 1076

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Question 556

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

The following microprocessor operations are part of interrupt cycle of a control unit:

1. MAR Save-address

2. PC Routine-address

3. MBR (PC)

4. Memory MBR

Which of the following is the correct order of their occurrence?

Choices

Choice (4)Response

a.

2,3, 4

b.

4,3, 1

c.

1,2, 3

d.

3,4, 2

Question 557

Amplitude Modulation and Demodulation

Appeared in Year: 2013 (UGC-NET)

Question

Match List-Ⅰ List-Ⅱ▾

Match the following List -i with List-ii

List-Ⅰ (Column-I)List-Ⅱ (Column-II)
(A)

Einstein՚s equation

(i)

Law of Conservation of Charge

(B)

Continuity equation

(ii)

Thermal voltage

(C)

Diffusion current

(iii)

Concentration gradient

(D)

Drift current

(iv)

Electric field

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (i)
  • (iv)
  • (ii)
  • (iii)

b.

  • (i)
  • (ii)
  • (iii)
  • (iv)

c.

  • (iii)
  • (ii)
  • (iv)
  • (i)

d.

  • (iv)
  • (iii)
  • (ii)
  • (i)

Question 558

Function Generators, Wave-Shaping Circuits and 555 Timers

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

The 555 timer can be employed in

1. A monostable multivibrator

2. A bistable multivibrator

3. An astable multivibrator

Choices

Choice (4)Response

a.

1,2 & 3 are correct.

b.

1 & 3 are correct.

c.

1 & 2 are correct.

d.

2 & 3 are correct.

Question 559

Multi-Stage, Differential, Feedback, Power and Operational

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

Consider the following statements, regarding an Op-Amp:

1. All types of negative feedback reduce nonlinear distortion.

2. All types of negative feedback reduce the output offset voltage.

3. Non-inverting (current and voltage) feedback increases the input impedance.

4. Inverting (current and voltage) feedback decreases input impedance.

Choices

Choice (4)Response

a.

2 & 4 only

b.

2 & 3 only

c.

1,2, 3 & 4 only

d.

1 only

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