Q.1

Four bits equal one byte.

  • True
  • False
Q.2

An inverter performs a NOT operation.

  • True
  • False
Q.3

Memory devices store binary data.

  • True
  • False
Q.4

A digital circuit will not obey a set of logic rules.

  • True
  • False
Q.5

Telecommunications systems do not use digital techniques.

  • True
  • False
Q.6

A device to convert a binary number to a 7-segment display format is a decoder.

  • True
  • False
Q.7

A graph of phase vs. time is a timing diagram.

  • True
  • False
Q.8

Circuits that exhibit the property of memory normally revert to their original state when the input is removed.

  • True
  • False
Q.9

A logic analyzer is used to display a timing diagram.

  • True
  • False
Q.10

In a positive logic system, the logic LOW could be between 0 V and 0.8 V.

  • True
  • False
Q.11

SMT stands for small-to-medium technology.

  • True
  • False
Q.12

An ADC is an analog-to-digital converter.

  • True
  • False
Q.13

The voltage levels used to represent binary values (0 and 1) in a digital system are nearly equal in value.

  • True
  • False
Q.14

The real world is mainly analog.

  • True
  • False
Q.15

Binary means having two states or values.

  • True
  • False
Q.16

The two binary digits are 1 and 2.

  • True
  • False
Q.17

In a negative logic system, a high is represented by 0.

  • True
  • False
Q.18

Parallel transmission is faster than serial.

  • True
  • False
Q.19

A microcomputer is the smallest type of computer.

  • True
  • False
Q.20

In a binary system there are only two symbols.

  • True
  • False
Q.21

X-ray, MRI, and ultrasound systems in hospitals are examples of analog systems.

  • True
  • False
Q.22

The arithmetic/logic unit will send the results of its decisions to memory.

  • True
  • False
Q.23

Digital systems require that voltage levels change between high and low.

  • True
  • False
Q.24

In a serial data system, the data is transmitted along a group of conductors simultaneously.

  • True
  • False
Q.25

It is possible to have an overlap between high and low levels in digital logic.

  • True
  • False
Q.26

The LSB is always to the right of the MSB.

  • True
  • False
Q.27

Using digital techniques of information storage is easy.

  • True
  • False
Q.28

One advantage of analog circuits over digital circuits is that it's easier to store data.

  • True
  • False
Q.29

Greater accuracy and precision are possible with digital techniques.

  • True
  • False
Q.30

The CPU (Central Processing Unit) is composed of memory and outputs.

  • True
  • False
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