Tech 9 Chapter 1

What is GIGO?

an acronym which means that if errors are entered into a database, it will produce erroneous output
What is data?

raw, unprocessed facts
What is a lan?

a computer network physically confined to a relatively small geographical area
What is a WAN?

a network that spans a large geographical area
What is "digital?"

data that is composed of descrete bits (1s and 0s) that is understood by the computer
What is a computer?

an electronic device capable of interpreting and executing program instructions and data and performing the required operations to produce the desired results
What is information?

data that has been processed to make it useful for a specific purpose
What is the information processing cycle?

a cycle during which a computer enters, processes, outputs and/or stores information
Data that is entered into a computer or other device

INPUT
The manipulation of data by the computer's electrical circuits

PROCESSING
Information that is written or displayed as a result of computer processing

OUTPUT
A permanent recording of information, data and programs on a permanent storage medium

STORAGE

Author

Julmagnu

128815

Card Set

Tech 9 Chapter 1

Description

section 1

Updated

2012-01-19T23:32:48Z

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