GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 115 - 118 of 1076

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Question 115

Appeared in Year: 2002

Question

MCQ▾

The circuit in the figure has two CMOS NOR gates. This circuit functions as a:

The Circuit Containing Two CMOS nor Gates

Choices

Choice (4)Response

a.

Monostable multivibrator

b.

Schmitt trigger

c.

Astable multivibrator

d.

Flip-flop

Question 116

Shift-Registers and Finite State Machines

Appeared in Year: 2006

Question

MCQ▾

A 4 - bit DAC is connected to a free running 3 -bit UP counter, as shown in the following figure. Which of the following waveforms will be observed at ?

The Sequential Circuit Consists of 3-Bit Counter, DAC and OPAMP

Choices

Choice (4)Response

a.

The Waveform Obtained at Output Voltage of Choice A

b.

The Waveform Obtained at Output Voltage of Choice B

c.

The Waveform Obtained at Output Voltage of Choice C

d.

The Waveform Obtained at Output Voltage of Choice D

Question 117

Appeared in Year: 1999

Question

MCQ▾

If is used as the chip select logic of 4 K RAM in an 8085 system, then its memory range will be,

Choices

Choice (4)Response

a.

7000 H- 6FFF H

b.

3000 H- 3FFF H

c.

6000 H- 6FFF H and 7000 H -7FFF H

d.

5000 H- 5FFF H and 6000 H- 6FFF H

Question 118

Boolean Algebra, Minimization of Functions

Appeared in Year: 2003

Question

MCQ▾

The number of distinct Boolean expressions of 4 variables is

Choices

Choice (4)Response

a.

256

b.

16

c.

1023

d.

65536

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