tim burners lee
4 generation of computers
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
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
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:
the operating system
if a computer loses power, all data stored in Ram will be lost.
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 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