Chapter 1

Question 1

application software

Answer 1

Programs that allow human users to accomplish specialized tasks. (9)

Question 2

assembly language

Answer 2

Uses mnemonic symbols to represent instructions and data. Also called second generation programming languages. (19)

Question 3

auxiliary input/output (I/O)

Answer 3

Devices such as printers and scanners. (6)

Question 4

auxiliary storage device

Answer 4

Devices for long-term storage of data and programs, such as hard disks, DVDs, or flash memory. (6)

Question 5

bit

Answer 5

A binary digit. (5)

Question 6

byte

Answer 6

A sequence, consisting of 8 adjacent bits, used to encode character in memory. (5)

Question 7

central processing unit (CPU)

Answer 7

A major hardware component that consists of the arithmetic/logic unit and the control unit. (8)

Question 8

hardware

Answer 8

The actual computing machine and its support devices. (5)

Question 9

information hiding

Answer 9

The principle of providing access to services but not to data resources. (25)

Question 10

instance variables

Answer 10

A list of data resources. (24)

Question 11

internal memory

Answer 11

Used for momentary storage of data and programs. Also called RAM. (6)

Question 12

machine language

Answer 12

uses only binary digits, 1 and 0, to code programs. Also called first generation programming languages. (19)

Question 13

network connection

Answer 13

used to connect to the Internet, other computers and the rest of the world. (6)

Question 14

object-oriented programming (OOP)

Answer 14

A programming process in which a program is subdivided into objects. (23)

Question 15

primary memory

Answer 15

High-speed memory contained in the computer. Also called random access memory (RAM). (7)

Question 16

RAM

Answer 16

stands for random access memory; high-speed internal memory; also called primary memory. (7)

Question 17

secondary memory

Answer 17

Collective term for auxiliary storage devices where operating systems, applications, and documents are stored. Includes both hard disks and portable storage media such as DVDs and flash memory sticks. (7)

Question 18

software

Answer 18

Programs that give computer hardware system useful functionality. (5)

Question 19

Software Development Life Cycle (SDLC)

Answer 19

The process that a program goes through. It consists of the development, maintenance, and demise of a software system. The phases include analysis, design, coding, testing/verification, maintenance, and obsolescence. (20)

Question 20

system software

Answer 20

The programs that allow users to write and execute other programs. For example, operating systems such as unix, Linux, and MacOs. (9)

Question 21

ubiquitous computing

Answer 21

The presence of computers, which are often hidden, in many items used in everyday life. (5)

Question 22

user interface

Answer 22

Supports moment-to-moment communication between a user and the computer. (6)

Question 23

waterfall model

Answer 23

A version of the software development life cycle (sDLC) consisting of six phases in which the results of each phase flow down to the next. (20)