DIGITAL COMPUTER ELECTRONICS QUIZ

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

high

None of these

All of these

low

TRUE ANSWER : ?
YOUR ANSWER : ?

The 1's compliment of binary number 11010 is:

110

10

101

None of these

11101

TRUE ANSWER : ?
YOUR ANSWER : ?

Conversion of a hexadecimal number 6316 to binary number is

1110112

11001112

None of these

11000112

11001112

TRUE ANSWER : ?
YOUR ANSWER : ?

The ASCII

is version II of the ASC Standard

is a subset of 8-bit EBCDIC

is used only in Western Countries

None of these

has 128 characters, including 32 control characters

TRUE ANSWER : ?
YOUR ANSWER : ?

What logic function is obtained by adding an inverter to the output of an AND gate?

XOR

NAND

OR

None of these

NOR

TRUE ANSWER : ?
YOUR ANSWER : ?

Conversion of binary number 1011012 to hexadecimal is

2716

20000000000000000

2D16

None of these

3716

TRUE ANSWER : ?
YOUR ANSWER : ?

The time required for a pulse to decrease from 90 to 10 percent of its maximum value is known as

propagation delay

None of these

binary level transition period

rise time

decay time

TRUE ANSWER : ?
YOUR ANSWER : ?

Conversion of binary number 11000112 to its decimal number is

9910

None of these

9710

2910

9310

TRUE ANSWER : ?
YOUR ANSWER : ?

Conversion of an octal number 1348 to a binary number is

None of these

11011002

10111002

1100112

10110112

TRUE ANSWER : ?
YOUR ANSWER : ?

Semiconductor memory is:

All of these

somewhat slower than magnetic core memory

None of these

a volatile memory

somewhat larger than the magnetic core memory

TRUE ANSWER : ?
YOUR ANSWER : ?

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