GRADE ONE COMPUTER STUDIES REVISION NOTE

Parts of the Computer
System unit: it is the heart of the computer, it looks like a tower. It houses the CPU which is the brain of the computer.

Components of the system unit :   motherboard, hard disk,  cooling fan, RAM slot, processor,diodes, translator, resistors.


Monitor: It shows us text and pictures, it has a screen and it looks like the television.

Mouse: it is used for pointing,  clicking.,double clicking, dragging and dropping. It has two buttons, a cable and a scroll wheel.

Keyboard :  it is used for typing and it has some special keys like space bar, Backspace, Capslock, control keys, shift keys,function keys, number keys and alphabet keys.

Parts of the computer song

Uses of the Computer : It makes our work easier and faster.  Places you can see computers are hospitals, factories, industries, banks, schools, churches,  local government secretariats, etc.



Types of data: Image, text, audio and video data.