COMPUTER III 1st Qtr June 10, 2008

DOS BASE (Disk Operating System)

DATA - unprocessed data/raw/disorganised
INFORMATION - processed data/refined/organised

2 Types of Data
1. numerical (1, 0, -15999009886..)
2. non-numerical (a, j, *, >..)

Data Processing

Input -> Process -> Output

> manipulation of data in a more useful form
> performs operations, like calculations, transmissions, classifications of data through a machine/computer

Data Processing Types

1. Mechanical Data Processing
>uses manual procedures and mechanical equipment (i.e. typewriter, calculator)
2. Electronic Data Processing
>uses input, output & storage devices
>interconnected to an electronic computer to process data