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An Overview of Computer System
This lesson includes the following sections:
Basic Concepts about Computer
The parts of a Computer System
DATA:-
Data is the collection of Facts & Figures.
INFORMATION:-
Information is the Required Result after processing of Data.
TYPES OF DATA:-
1. Alphabetic or String (A-Z) and Symbols like + - \ @ # $ % / etc.
2. Numeric (0-9),
3. Alphanumeric (PIII, CG125)
4. Date or Time (MM-DD-YY)
5. Graphics, Pictures, Images, Video files, Sound files etc.
DATA PROCESSING CYCLE
Computer:-
Computer is an Electronic Device, which Receive Data, Process It and Give Us Our Required
Result.
In
Collection
Verification
Processing
Calculating
Out
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Advantages of Computer:-
Accurate In Processing.
Very high processing speed.
Space saving.
Time saving due to high speed.
Transportation of data through CD or floppy disks or hard disk.
Monitor
Floppy Disk
CD Rom
Speakers
Key word
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