Question # 1

What is the dual of Booean expression A.0=0?

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A+1=1

A + 0 = A

A. 1 = A

A.O = 0

ALU Stands for..........

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Arithmetic and Local Unit

Arithmetic and Legal Unit

Arithmetic and Logic Unit

None of these

OR operation yields 1 output when at least of........of the input is true.

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0

00

1

10

the output of AND Operation is 1 only whenboth inputs are?

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10

0

1

00

CU stand for...............

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Circuitry Unit

Central Unit

Control Unit

None of these

Which signals are in continues form?

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Digital

Analog

Both a and b

None of these

Basic Arthemetic Operation like addition subtractio are performed by?

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ALU

CU

UDP

All of these

What is the decmimal equivalent of the binary number 1101?

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13

11

12

14

In K-map , K stand for..................?

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Knowldege

Karnaugh

Both a and b

None of these

Digital system depends on?

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10

00

11

None of these

In a half-adder circuit, the carry is generated by which operation?

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XOR operation

AND Operation

OR Operation

NOT Operation

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Computer Science 9th Class English Medium Chapter 3 Online Test MCQs With Answers

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