Defination And Work Of a Computer You Need To Know

 

A computer is electronic device that manipulates information,  or data. It has the ability to store, retrive, and process data.

You can use a computer to type documents,  send email, and browse the internet. You can also Use it to handle spreedsheets, accounting, database management, presentations, games, and more.

Computers are not very intelligent devices, but they handle instructions flawlessly and really fast. They take raw data from the user as input,  process it ans give out information as output.

• Data are raw facts and figures which may not be Arranged systematically or may not convey any proper meaning. e.g
1. Computer machine electronic
2. Nigeria independence 1960

• Information is what we can say is processed data. It is sysmatic and conveys proper meaning. e.g
1. Computer is an electronic machine
2. Nigeria got independence in 1960.

Part Of a Computer

1. MONITOR is a computer output devices that lets you see what you are doing inside your computer.
There are 2 types of monitor CRT and LDC.

2. SYSTEM UNIT is a case that contain hardwares which hold other external parts of a computer

3. MOUSE is a pointing device used to make
on screen selections.

4. KEYBOARD is used to type instruction into the computer.

5. SCANNER is an Output device that transfer picture or document to computer.

6. PRINTER is an Output device that produces hard copies of information from computer.

7. SPEAKER is an output device that allows you to listen to the music and hear sound effects from your computer.