GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 343 - 345 of 1076

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Question 343

Function Generators, Wave-Shaping Circuits and 555 Timers

Appeared in Year: 2018 (UGC-NET)

Question

Match List-Ⅰ List-Ⅱ▾

Match the following lists: (July)

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

ASK

(i)

Minimizes SNR at the detection instant

(B)

Correlation receiver

(ii)

Multiplier and an integrator

(C)

Matched filter

(iii)

Digital to digital encoding

(D)

PSK

(iv)

Maximum probability of error

Choices

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

a.

  • (iv)
  • (ii)
  • (i)
  • (iii)

b.

  • (i)
  • (ii)
  • (iv)
  • (iii)

c.

  • (iv)
  • (iii)
  • (ii)
  • (i)

d.

  • (ii)
  • (iii)
  • (i)
  • (iv)

Question 344

Appeared in Year: 2018 (UGC-NET)

Question

Assertion-Reason▾

Assertion(Ꭺ)

A two-byte instruction of has an operation code in first byte and operand/address in the second byte. (July)

Reason(Ꭱ)

Source and destination address are made implicit in order to reduce the length of an instruction.

Choices

Choice (4)Response

a.

Ꭺ is false but Ꭱ is true

b.

Ꭺ is true but Ꭱ is false

c.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

d.

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

Question 345

Appeared in Year: 2018 (UGC-NET)

Question

Assertion-Reason▾

Assertion(Ꭺ)

In a p-n junction the electron crossing the junction from right to left constitute a current in the same direction as hole crossing the junction from left to right. (July)

Reason(Ꭱ)

In a p-n junction, the low value of depletion region capacitance can be obtained with reverse biasing.

Choices

Choice (4)Response

a.

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

b.

Ꭺ is true but Ꭱ is false

c.

Ꭺ is false but Ꭱ is true

d.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

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