GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 61 - 66 of 1076

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Question 61

Logic Gates and Their Static CMOS Implementation

Appeared in Year: 2003

Question

MCQ▾

The circuit shown in figure converts

A Combinational Circuit Having or & and Gates

Choices

Choice (4)Response

a.

Gray to Binary code

b.

Binary to excess - 3 code

c.

BCD to binary code

d.

Excess -3 to gray code

Question 62

Appeared in Year: 2005

Question

MCQ▾

The Boolean function implemented in the figure using two input multiplexes is,

Multiplexers Gives in Input to Find the Equation of Function

Choices

Choice (4)Response

a.

b.

c.

d.

Question 63

Boolean Algebra, Minimization of Functions

Appeared in Year: 2007

Question

MCQ▾

The Boolean function Y = AB + CD is to be realized using only 2 - input NAND gates. The minimum number of gates required is

Choices

Choice (4)Response

a.

2

b.

5

c.

3

d.

4

Question 64

Sample and Hold Circuits, ADCs and DACs

Appeared in Year: 2003

Question

MCQ▾

The minimum number of comparators required to build an 8-bits flash ADC is,

Choices

Choice (4)Response

a.

8

b.

255

c.

256

d.

63

Question 65

Shift-Registers and Finite State Machines

Appeared in Year: 2004

Question

MCQ▾

The minimum number of 2- to -1 multiplexers required to realize a 4- to -1 multiplexers is

Choices

Choice (4)Response

a.

1

b.

4

c.

2

d.

3

Question 66

Appeared in Year: 2005

Question

MCQ▾

Consider an 8085 microprocessor system. The following program starts at location 0100H.

  1. LXISP, OOFF
  2. LXIH, 0701
  3. MVIA, 20H
  4. SUBM

The content of accumulator when the program counter reaches 0109 H is,

Choices

Choice (4)Response

a.

20 H

b.

FF H

c.

02 H

d.

00 H

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