history

history

tim burners lee

about him

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Tim burners lee was born on June 8th 1955 in London, he is 59 years old. he invented the world wide web in 1989.he wrote many book called weaving the web, the original design and ultimate destiny of the world wide web by its inventor. Tim burners lee parents are called Conway Berners lee and Mary lee woods. he is married to rosemary Leith

4 generation of computers

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there were 4 generations of computers, the first generation was from 1951 to 1958 and are still used today. They used the first generation to solve the German code.

input and output devices

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An input is:

An input is something that takes in information, images example a camera becomes a input device when you connect it to a computer can use it to upload a piece of information, like images or videos. A keyboard is an input device that sends information from the keys to your computer.

An output is :

An output is something that displays something example a printer is an output because it gets information from the computer and prints it out onto paper or card. A monitor is a output because it displays information that an input device has sent them

Ram and Rom

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A Ram:

a ram is a chip is a fast type of memory in which programs, applications and data are stored. Here are some examples of what's stored in Ram:

applications

the operating system

if a computer loses power, all data stored in Ram will be lost.

A Rom:

A Rom is memory that can't be changed by a user or program. Rom stores it's memory even when the computer is turned off. for example Rom stores the instructions for the computer to start up when it's turned on again.

mother board

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A mother board is used to describe the main printed circuit board in PC'S, laptops and other computer systems. while motherboard\mainboard is the most common name for it.

it allows the CPU,RAM, and other computer hardware to communicate with each other.

raspberry pi

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raspberry pi is a low cost credit card sized computer that plugs into a computer monitor or TV, and uses a standard keyboard and mouse. it is a little device that enables people of all ages to explore computing, and to learn how to program scratch and python. it's capable of doing everything you'd expect a desktop computer to do, from browsing the internet and playing videos, to making spread sheets, and playing games