Digital Circuits [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 211 - 214 of 271

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Question 211

Digital Circuits
Arithmetic Circuits, Code Converters, Multiplexers, Decoders and PLAs

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

A digital multiplexer is a/an (September)

Choices

Choice (4)Response

a.

Combinational circuit

b.

Amplifier

c.

Sequential circuit

d.

Memory device

Question 212

Digital Circuits
Memory and I-O Interfacing

Appeared in Year: 2014 (UGC-NET)

Question

MCQ▾

The following signals of microprocessors are interrupts: (June)

1.

2.

3.

4.

Choices

Choice (4)Response

a.

1 and 3

b.

2 and 3

c.

1 and 4

d.

3 and 4

Question 213

Digital Circuits
Memory and I-O Interfacing

Appeared in Year: 2014 (UGC-NET)

Question

MCQ▾

Priority of the interrupts in the order from the highest to least priority (June)

1. RST 7.5

2. RST 5.5

3.

4. RST 6.5

The correct sequence is

Choices

Choice (4)Response

a.

1,4, 2 and 3

b.

3,2, 4 and 1

c.

2,4, 1 and 3

d.

3,1, 4 and 2

Question 214

Digital Circuits
Programming

Appeared in Year: 2014 (UGC-NET)

Question

Assertion-Reason▾

Assertion(Ꭺ)

MOV A, 08 H it means the contents of memory address 08 H are moved to be contents of A. (June)

Reason(Ꭱ)

MV I A, 82 H It means that the contents of memory address 82 H are moved to be contents of A immediately.

Choices

Choice (4)Response

a.

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

b.

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

c.

Ꭺ is false but Ꭱ is true

d.

Ꭺ is true but Ꭱ is false

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