Digital Circuits [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 145 - 147 of 271

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Question 145

Digital Circuits
Boolean Algebra, Minimization of Functions

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)
Circuit Lamp (L Choice-2)
(i)
Or Gate
(B)
Circuit Lamp (L Choice-3)
(ii)
XOR Gate
(C)
Circuit Lamp (L Choice-1)
(iii)
Nor Gate
(D)
Circuit Lamp (L Choice-4)
(iv)
NAND Gate

Choices

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

a.

  • (i)
  • (iv)
  • (ii)
  • (iii)

b.

  • (iv)
  • (iii)
  • (i)
  • (ii)

c.

  • (i)
  • (iv)
  • (iii)
  • (ii)

d.

  • (ii)
  • (i)
  • (iii)
  • (iv)

Question 146

Digital Circuits
Programming

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 147

Digital Circuits
ROM, SRAM, DRAM

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)

RAM

(i)

Act as adjunct to slower main memory

(B)

EPROM

(ii)

It can be used to change certain bytes from the stored data

(C)

Cache

(iii)

All data is wiped out of stored contents

(D)

PROM

(iv)

Read-write memory

Choices

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

a.

  • (ii)
  • (iii)
  • (i)
  • (iv)

b.

  • (iv)
  • (iii)
  • (i)
  • (ii)

c.

  • (iii)
  • (iv)
  • (ii)
  • (i)

d.

  • (i)
  • (iv)
  • (ii)
  • (iii)

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