DIGITAL COMPUTER ELECTRONICS QUIZ

A half-adder adds _____ bits

None of these

10

16

8

2

TRUE ANSWER : ?
YOUR ANSWER : ?

Addition of 1101011012, 1110111012, 0001111112, 1001011012, 1111101112 is

10001010001012

10110101110102

11110110000102

None of these

10010000000102

TRUE ANSWER : ?
YOUR ANSWER : ?

Conversion of binary number 1011012 to hexadecimal is

2D16

None of these

20000000000000000

2716

3716

TRUE ANSWER : ?
YOUR ANSWER : ?

Flip-flop outputs are always

None of these

the same

independent of each other

complimentary

same as inputs

TRUE ANSWER : ?
YOUR ANSWER : ?

Conversion of binary number 111112 to an octal number is

None of these

428

378

328

358

TRUE ANSWER : ?
YOUR ANSWER : ?

A multiplexer is also known as

data selector

None of these

decoder

multivibrator

coder

TRUE ANSWER : ?
YOUR ANSWER : ?

A bus is a group of _____ carrying digital signals.

wires

gates

transistors

None of these

registers

TRUE ANSWER : ?
YOUR ANSWER : ?

The output 0 and 1 levels for TTL logic family is approximately

0.6 and 3.5 V

0.1 and 5 V

None of these

-1.75 and -0.9 V

0.9 and 1.75V

TRUE ANSWER : ?
YOUR ANSWER : ?

Conversion of binary number 1100002 to hexadecimal is

2716

3016

None of these

4316

4016

TRUE ANSWER : ?
YOUR ANSWER : ?

The 2's compliment of binary number 010111.1100 is

101001.11

101000.01

101000.0011

None of these

10111.0011

TRUE ANSWER : ?
YOUR ANSWER : ?

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