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Flashcards in Ch 1 Vocab Deck (23)
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Ubiquitous

Anywhere and everywhere

1

Hardware

Physical devices that you see on your desktop

2

Software

Programs that give the hardware useful functionality

3

Bit

Smallest unit of info processed by a computer and consists of a single 0 or 1

4

Byte

Eight adjacent bits

5

User interface

Moment to moment communication between a user and the computer

6

Auxiliary input/output

Devices that allow people to input info into a computer/ devices that allow people to view info produced by a computer

7

Auxiliary storage devices

Long term storage of data and programs

8

Network connection

Connection to the internet and thus the rest of the world

9

RAM

Internal memory, momentary storage of data and programs

10

CPU

Central processing unit where operations are controlled or executed

11

System software

Supports basic operations of a computer and allows human users to transfer info to and from the computer

12

Application software

Allows users to accomplish specialized tasks

13

Assembly language

Uses mnemonic symbols to represent instructions and data

14

Machine languages

A type of code whose only symbols are the binary digits 1 and 0

15

Software development life cycle

The process of development maintenance and demise of a software system

16

Waterfall model

A series of steps in which a software system trickles down from analysis to design to implementation

17

Internal memory

Momentary storage of data and programs

18

Primary memory

RAM

19

Instance variables

A list of data resources

20

Information hiding

The principe of providing access to services but not to data resources

21

Secondary memory

Auxiliary storage devices , long term storage of days and programs

22

Object oriented programming

Programming with objects