This is a CPU.
The CPU is the brains of the computer, where most of the calculations take place. The CPU is the most important part of the computer. It performs arithmetical, logical and input/output operations of the system. Not all computers rely on CPU, some rely on a vector processor which has no part considered the 'center'.
CPU How it works.1


This is a RAM.

RAM is a type of computer memory that can be accessed randomley. In any random order.

There are 2 types of RAM ;

SPRAM-the more common.


DRAM-this one is faste.

There are many other types of RAM.

RAM and ROM [ nicely explained ]


A computer drive is a computer program that operates or controls a particular type of device that is attached to a computer.
Computer Hard-Drive - How It Works

This is a motherboard.

A motherboard is basically the part of the computer that holds all the other parts together.
How Motherboard Works


This is the screen of the computer and where you switch it on.
TFT / LCD Monitor - How it works! (3D Animation)


This is the process of inputs and outputs. Something goes in and it gets processed then the thing goes out.
Input and Output Devices

Touch Screens

A touchscreen is a screen that you don't have to use a mouse for and you use your fingers to touch it.
How Touchscreen Works [Remake]

Alan Turing

Alan Turing was a British mathematician and computer scientist, who was born June 23 1912. He invented the Turing machine. A Turing machine is a hypothetical device that manipulates symbols on a strip of tape according to a table of rule.
Chapter One Turing Machine Example

The Four Generations of Computers

1st generation-made up of vaccume tubes and programmed using wiring plugboards.
2nd generation-Got slightly bigger.
3rd generation-They could run several things at a time.
4th generation-NOW!
BBC Micro: Fourth Generation Computers - The Four Generations of Computers (4/4)

Tim Berners-Lee

This man created the World Wide Web.
Dom Joly - Sir Tim Berners-Lee


Peer Assesment

Emily Rogers -