GATE (Graduate Aptitude Test in Engineering) Electronics & CE (EC): Questions 457 - 459 of 1602

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Question 457

Appeared in Year: 2013

Question Match List-Ⅰ List-Ⅱ▾

Match the following lists: (June)

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

Flip-Flop can be used as latch

(i)

JK

(B)

Flip-Flop can be used as delayed

(ii)

R-S

(C)

Flip-Flop does not have race problem

(iii)

Master- Slave

(D)

Flip-flop can be used as shift registers

(iv)

D Flip-flop

Choices

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

a.

  • (ii)
  • (i)
  • (iv)
  • (iii)

b.

  • (ii)
  • (iv)
  • (iii)
  • (i)

c.

  • (iv)
  • (ii)
  • (iii)
  • (i)

d.

  • (i)
  • (ii)
  • (iii)
  • (iv)

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Question 458

Appeared in Year: 2013

Question Assertion-Reason▾

Assertion(Ꭺ)

Stimulated emission is the key to the operation of LASER. (June)

Reason(Ꭱ)

An important property of LASER radiation is its coherence, under which is meant the correlation between the phases of oscillation at different positions in space and at various moments of time.

Choices

Choice (4)Response

a.

Ꭺ is false but Ꭱ is true

b.

Both Ꭺ and Ꭱ are false

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Ꭺ is true but Ꭱ is false

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Question 459

Appeared in Year: 2013

Question Match List-Ⅰ List-Ⅱ▾

Match the following lists: (June)

List-Ⅰ (Types of ADC)List-Ⅱ (Characteristics)
(A)

Counter type of the analogue signal

(i)

Fastest converter

(B)

Dual slope

(ii)

Conversion time is independent of the amplitude

(C)

Parallel comparator (i.e.. flash) type

(iii)

integrating type

(D)

Successive approximation

(iv)

Uses DAC in feedback path

Choices

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

a.

  • (iv)
  • (iii)
  • (i)
  • (ii)

b.

  • (iv)
  • (i)
  • (iii)
  • (ii)

c.

  • (ii)
  • (i)
  • (iv)
  • (iii)

d.

  • (iv)
  • (ii)
  • (iii)
  • (i)

Edit