Question # 1

The commutative law in Boolean Algebra, where a, b and c are binary number is.

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a+0=a

a+1=1

a+b=b+a

a. (b+c) = a.b +a.c.

Which of the following statement is true in the case of AND gate with input A and B.

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If A and B are applied, there will not be any output

If neither input is applied, there will be an output

If one input is applied there will not be any output

If one input is applied there will be an output

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A + B + C + D

A + B C + D

The number of inputs to full adder are

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1

2

3

4

Which of the following gate is two level logic gate.

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OR gate

AND gate

EXCLUSIVE OR gate

NAND gate

Boolean algebra is also known as.

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logical algebra

control algebra

switching algebra

programming algebra

The heart of analog to digital converter (ADC) is

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comparator

pulse generator

voltage source

current source

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0

1

x

The circuit that is used for parallel to serial conversion is

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decoder

encoder

multiplexer

demultiplexer

Logical addition refers to operation of

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OR gate

AND gate

NOT gate

invertr gate

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ECAT Computer Science Chapter 5 Boolean Algebra Online Test MCQs With Answers

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