Computer Components

Operating System

An operating system is the most important program on a computer, it recognizes inputs from the keyboard and sends outputs to the screen. It also recognizes peripheral devices like printers and disk drives.

Hard Drives

A hard drive is a magnetised storage area that is in your computer or laptop. When you save something on your computer little arms move to write on the circular plates that make the hard drive.


A monitor is a screen that displays graphics or videos that are on a computer, it is a computer hardware.


CPU stands for Central Processing Unit, the CPU executes commands from other computer hardware’s. It is considered as the brain of the computer. Also called the processor.


RAM stands for Random Access Memory, it is a computer memory that can be accessed randomly. Also called the main memory.


ROM stands for Read-Only Memory, it is a memory on which data has been prerecorded and cannot be removed unlike a RAM memory. Used for calculators or laser printers.


The motherboard controls all hardwares that are in the computer and allows them to communicate with each other. Also called the mainboard.


Information or data that is sent or entered in the computer is considered input. Most inputs come from keyboards or mouses which are input devices.


Anything that is made or sent by the computer is considered output, an output example is when a computer sends information to a printer.

Touch Screens

A type of screen that is touch-sensitive, instead of using a keyboard or mouse you can use your finger.

Optical Drive

Optical drives store data on optical discs like CDs, DVDs, and BDs which hold a lot of information.