DIGITAL COMPUTER ELECTRONICS QUIZ

Instead of counting with binary numbers, a ring counter uses words that have a single high _____

gate

None of these

bytes

bit

chip

TRUE ANSWER : ?
YOUR ANSWER : ?

Conversion of binary number 1011012 to its decimal number is

4710

4510

4010

4310

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

A microcomputer is a computer that uses a _____ for its CPU.

microprocessor

registers

chips

vacuum tube

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

A full-adder adds _ bits, and producing a SUM and a _

8, SUBTRACTION

16, DIVIDE

All of these

None of these

3, CARRY

TRUE ANSWER : ?
YOUR ANSWER : ?

BCD numbers are useful whenever _____ information is transferred into or out of a digital system.

ASCII

decimal

binary

None of these

hexadecimal

TRUE ANSWER : ?
YOUR ANSWER : ?

How many full adders are required to construct an m- bit parallel adder?

m-1

None of these

m/2

m+1

m

TRUE ANSWER : ?
YOUR ANSWER : ?

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

NOR gate

None of these

AND gate

OR gate

NAND gate

TRUE ANSWER : ?
YOUR ANSWER : ?

A flip-flop can store:

1 bits of data

4 bits of data

3 bits of data

2 bits of data

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Express -7 as 16-bit signed binary numbers.

None of these

1000 0000 0000 0111

0111 0000 0000 0000

0000 0000 0000 0111

0111 0000 0000 0001

TRUE ANSWER : ?
YOUR ANSWER : ?

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

EX-OR gate

None of these

NOR gate

AND gate

OR gate

TRUE ANSWER : ?
YOUR ANSWER : ?

↑