Digital Circuits [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 225 - 228 of 271

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Question 225

Digital Circuits
Boolean Algebra, Minimization of Functions

Appeared in Year: 2014 (UGC-NET)

Question

Match List-Ⅰ List-Ⅱ▾

Match the following lists: (December)

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

(i)

Tristate

(B)

Controlled inverter

(ii)

XOR

(C)

ECL

(iii)

Bipolar logic

(D)

High impedance state

(iv)

Non-saturation logic

Choices

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

a.

  • (iii)
  • (ii)
  • (iv)
  • (i)

b.

  • (iv)
  • (ii)
  • (iii)
  • (i)

c.

  • (i)
  • (ii)
  • (iv)
  • (iii)

d.

  • (ii)
  • (iii)
  • (i)
  • (iv)

Question 226

Digital Circuits
Sample and Hold Circuits, ADCs and DACs

Appeared in Year: 2014 (UGC-NET)

Question

MCQ▾

In successive approximation converter input to the comparator is through (December)

Choices

Choice (4)Response

a.

Latch

b.

DAC

c.

Flip-flop

d.

Sample and hold circuit

Question 227

Digital Circuits
Shift-Registers and Finite State Machines

Appeared in Year: 2014 (UGC-NET)

Question

Assertion-Reason▾

Assertion(Ꭺ)

In some applications it is required to delay pulse train by some number of clock periods. (December)

Reason(Ꭱ)

For delay operation serial in parallel out shift registers are useful.

Choices

Choice (4)Response

a.

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

b.

Ꭺ is false but Ꭱ is true

c.

Ꭺ is true but Ꭱ is false

d.

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

Question 228

Digital Circuits
Architecture

Appeared in Year: 2014 (UGC-NET)

Question

MCQ▾

The assembler directive used to give name to some value or symbol for 8086 ASM-86 is (December)

Choices

Choice (4)Response

a.

DD

b.

PROC

c.

NAME

d.

EQU

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