A hard disk drive is a data storage device used for storing and retrieving digital information from non- volatile memory (retaining its data even when powered off) in a random-access manner.


Monitors are used so you can see what you’re doing on your computer and if you don’t have one it would be Impossible to use a computer so a monitor is a necessity.


CPU stands for Central-Processing-Unit. The CPU is like the instructor of a computer it can also be referred to as the hardware of a computer.


Random-access memory (RAM) is a form of computer data storage. A random-access device allows stored data to be accessed in very nearly the same amount of time for any storage location, so data can be accessed quickly in any random order.


ROM stands for Read-Only Memory; it is a form of data storage and cannot be modified, or can only be modified very slowly or not easily.


The motherboard is like the control centre of the computer, it holds most things together e.g. the CPU. Without a motherboard the computer wouldn’t work.


In computing, input/output or I/O is the communication between information processing system (such as a computer) and the outside world, possibly a human or another information processing system. Inputs are the signals or data received by the system, and outputs are the signals or data sent from it.

Touch Screens

A touchscreen is an electronic visual display that can detect the presence and location of a touch within the display area. The term generally refers to touching the display of the device with a finger or hand. Touchscreens can also sense other passive objects, such as a stylus. Touchscreens are common in devices such as game consoles, all-in-one computers, tablet computers, and smartphones.