Digital Electronics:: Digital Concepts MCQs

Question 1

The CPU contains all the circuitry for ________.

Accepted Answer

fetching and interpreting instructions

Answer

storing data

Answer

keeping track of time

Answer

Internet operations

Question 2

Demultiplexing is a logic function that ________.

Accepted Answer

switches logic from one input to any of several output lines

Answer

determines which of several inputs is the greatest

Answer

switches logic from several inputs onto one output line

Answer

converts a code from one form to another

Question 3

In ________ the quantities are not represented by continuously variable indicators.

Accepted Answer

digital representation

Answer

analog representation

Answer

signal representation

Answer

computer representation

Question 4

A continually variable, proportional indicator is a(n) ________ representation.

Accepted Answer

analog

Answer

decimal

Answer

digital

Answer

unconstitutional

Question 5

The control and arithmetic/logic units are often considered as one unit called the ________.

Accepted Answer

central processing unit

Answer

inputs and outputs

Answer

microcomputer

Answer

arithmetic/logic unit

Question 6

A microcontroller would not be used in a(n) ________.

Accepted Answer

grandfather clock

Answer

VCR

Answer

automobile ignition system

Answer

antilock brakes

Question 7

________ is the highest-value seven-bit binary number.

Accepted Answer

127

Answer

128

Answer

126

Answer

125

Question 8

The set of instructions for a computer is called a(n) ________.

Accepted Answer

program

Answer

input

Answer

output

Answer

control unit

Question 9

The controls on an oscilloscope that will help obtain a stable display are in the ________.

Accepted Answer

trigger section

Answer

vertical section

Answer

horizontal section

Answer

display section