Introduction to Computer

Introduction to Computer

objectives
1- Computer definition
2- Computer description (Hardware & Software)
3- Computer parts and functions
4- Memory
5- files types
6- Computer types
7- Computer advantages

What is the computer?
The Computer is :
Clever device.
Or :
PlayStation.


The Computer is:
Electronic device operating under the control of instructions stored in its own memory.
First, Accepts data such as facts, figures, and symbol then, Processes data into information (Data that is organized, meaningful, and useful ) finally, Produces and stores results.

Hardware

1-Hardware used to enter data and instruction.

2-Hardware that conveys information to a user

Main Component
What are two main components on the motherboard?
Central Processing Unit(CPU)
Also called a processor.
Carries out instructions that tell computer what to do.

Memory
- Temporary holding place for data and instructions.


Types of Memory
Main Memory: Primary Memory
RAM : Random Access Memory
This is relatively large and fast memory used for program and data storage during computer operation.
ROM : Read Only Memory
It is used to store fixed startup instructions to which data is constantly being stored.

Computer Advantages at makes a computer power
Speed
Reliability
Accuracy
Storage
Communication