DIGITAL COMPUTER ELECTRONICS QUIZ

Conversion of binary number 1100002 to hexadecimal is

4016

2716

None of these

3016

4316

TRUE ANSWER : ?
YOUR ANSWER : ?

Express -7 as 16-bit signed binary numbers.

None of these

0111 0000 0000 0000

1000 0000 0000 0111

0111 0000 0000 0001

0000 0000 0000 0111

TRUE ANSWER : ?
YOUR ANSWER : ?

The _____ is a sequence of instructions that tells the computer how to process the data.

instruction

data

program

controls

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The OR gate has two or more input signals. If any input is _____ the output is high.

All of these

high

None of these

low

TRUE ANSWER : ?
YOUR ANSWER : ?

A combinational logic circuit which generates particular binary word or number is

None of these

demultiplexer

encoder

multiplexer

decoder

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following Boolean algebra rules is wrong?

None of these

1 + A = 1

0 + A = A

1 . x = 1

A + A = A

TRUE ANSWER : ?
YOUR ANSWER : ?

The output of the following gate is 0 only if at least one of the inputs is 1:

NOR gate

None of these

EX-OR gate

OR gate

AND gate

TRUE ANSWER : ?
YOUR ANSWER : ?

A shift register can be used for:

digital delay line

serial to parallel conversion

parallel to serial conversion

None of these

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

An odd-parity generator produces an odd-parity bit to go along with the data. The parity of the transmitted data is _ An XOR gate can test each received word for parity rejecting words with _ parity.

None of these

even, odd

high, low

odd, even

low, high

TRUE ANSWER : ?
YOUR ANSWER : ?

Multiplication of 478 by 528 is

(3184)8

(4147)8

(3144)8

(3146)8

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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