Tim Berners Lee

The History

Facts about him

Sir Timothy John "Tim" Berners-Lee, also known as TimBL, is an English computer scientist, best known as the inventor of the World Wide Web. He was born on June 8 in 1955 (age 59), in London.

His mother was called Mary Lee Woods and his father was called Conway Berners Lee. The Queen's College Oxford (1973–1976), Emanuel school (1969–1973).

This is a video of Tim Berners Lee

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World Wide Web Turns 25: Inteview with inventor Sir Tim Berners-Lee

Alan Turing

Alan Turing

•Alan Mathison Turing, OBE, FRS was a British pioneering computer scientist, mathematician, logician, cryptanalyst, philosopher, mathematical biologist, and marathon and ultra distance runner. He was educated in Sherbone school ·Princeton University (1936 - 1938) · Kings College (1931 - 1934) · Institute for advanced study · St Michaels School.

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The four Generations

The 4 generations

The first generation of computers are vacuum tubes for circuitry and magnetic drums .

Disadvantage= The computers were very large in size, They where not very reliable.

Advantage= These computers could calculate data in milliseconds.

The second generation of computers are transistors.

Disadvantage=Constant maintenance was required.

Advantage=They were more reliable than the first generation of computers.

The third generation of computers are integrated circuits.

Disadvantage=air conditioning was required.

Advantage=Better accuracy.

The fourth generation of computers are microprocessor.

Advantage= less need of repair.

Inputs and Outputs

inputs and outputs

Inputs are the signals or data received by the system and outputs are the signals or data sent from it.

An input device is something you connect to a computer that sends information into the computer. An output device is something you connect to a computer that has information sent to it.


A printer is an output device.

It receives information from a computer and prints out a physical copy onto paper or card.

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A motherboard is a printed circuit board containing the principal components of a computer or other device. A motherboard contains significant sub systems such as the processor and other components.

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Rasberry Pie

what is a rasberry pi

The raspberry Pi is a low cost credit card sized computer that plugs into a computer monitor or tv.
Use a Raspberry Pi to Fix Everyday Problems. Become the Office Hero!