Chapter 30 - Digital Numbering Systems and Codes

The decimal number 14 is equal to the binary number ___.

1110

A(n) ___ is a method of coding information in terms of two-position ON/OFF voltage signals.

Digital Numbering System

A(n) ___ code is a number code that uses a combination of letters, symbols, and decimal numbers to process information for computers and printers.

alphanumeric

A(n) ___ number is given in a base of 2.

binary

A(n) ___ is used to distinguish the base used when there is the possibility of confusion between different numbering systems.

subscript

___ is a seven-bit or eight-bit alphanumeric code used to represent the basic alphabet plus numbers and special symbols.

(ASCII) American Standard Code for Information Interchange

An octal number is given in a base of ___.

8

A byte is a grouping of four bits and is the minimum number of bits needed to represent a single decimal number.

False

A nibble is a group of eight bits.

False

The binary number 1010 is equal to the decimal number ___.

ID

A binary number can be either signed or unsigned.

True

The largest-valued symbol always has a value of one less than the base.

True

A(n) ___ is a group of 16 bits.

Word

A(n) ___ system is a numbering system that uses groups of four bits to represent a group of decimal numbers.

binary coded decimal (BCD)

A(n) ___ is a binary digit consisting of a 0 or a 1.

bit

A(n) ___ number is given in a base of 10.

decimal

A(n) ___ signal is a group of low-level DC voltage pulses that can be used to convey information.

digital

In binary, usually 0 is called a ___ state and a 1 is called a ___ state.

false; true

101B is a(n) ___ number.

hexadecimal

A(n) ___ number is given in a base of 16.

hexadecimal (hex)