GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 540 - 543 of 1076

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Question 540

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

In 8085, example for Non-maskable interrupts is

Choices

Choice (4)Response

a.

INTR

b.

Trap

c.

RSTO

d.

RST 6.5

Question 541

Appeared in Year: 2013 (UGC-NET)

Question

Assertion-Reason▾

Assertion(Ꭺ)

In Intel 8085, the lower byte of address and data are multiplexed.

Reason(Ꭱ)

This helps not to limit the number of external pin terminals.

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 542

Boolean Algebra, Minimization of Functions

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

Consider the following logic families:

1. MOS

2. TTL

3. RTL

4. ECL

The sequence of these logic families in the order of their increasing propagation delay is

Choices

Choice (4)Response

a.

4,3, 2,1

b.

2,1, 3,4

c.

1,2, 3,4

d.

4,2, 3,1

Question 543

Appeared in Year: 2013 (UGC-NET)

Question

Assertion-Reason▾

Assertion(Ꭺ)

The intrinsic Fermi level of a semiconductor lies exactly at the middle of the energy gap.

Reason(Ꭱ)

The densities of the available state in valence and conduction bands of a semiconductor are equal.

Choices

Choice (4)Response

a.

Ꭺ is false but Ꭱ is true

b.

Both Ꭺ and Ꭱ are false

c.

Ꭺ is true but Ꭱ is false

d.

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

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