Digital Circuits [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 138 - 141 of 271

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Question 138

Digital Circuits
Latches and Flip-Flops

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

In a J-K flip-flop we have J = Q and K = 1 (shown in figure) . Assuming the flip-flop was initially cleared and clocked for 6 pulses, the sequence at the Q output will be: (July)

J-K Flip-Flop

Choices

Choice (4)Response

a.

011001

b.

c.

d.

010010

Question 139

Digital Circuits
Architecture

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

Which of the following statements are correct in respect to ?

1) The instruction queue size is bytes.

2) Segment register size is bit while physical address size is bits.

3) Segments are disjoint.

4) Beginning address of a segment must be divisible by . (July)

Choices

Choice (4)Response

a.

2) and 3) are correct

b.

1) and 3) are correct

c.

1) and 2) are correct

d.

2) and 4) are correct

Question 140

Digital Circuits
Boolean Algebra, Minimization of Functions

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

The advantage/disadvantage of Schottky TTL logic circuit over Standard TTL logic circuit is that: (July)

Choices

Choice (4)Response

a.

It provides low power consumption.

b.

It provides simple circuitry.

c.

It gives low switching speed.

d.

It virtually eliminates saturation delay time.

Question 141

Digital Circuits
Programming

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

In which of the following number systems, AC flag is used in ? (July)

Choices

Choice (4)Response

a.

Octal

b.

BCD

c.

Binary

d.

Hexadecimal

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