How a computer works

Made by: Sandy Chebeddine 8B

Hard drive (HDD)/SSD:

A hard drive is a tool used for saving things; it’s exactly like a USB. You can take it with you and open and save. A hard drive is a CD with a black thing surrounding it. Hard drives were created in the 1950’s and used for many things.

Optical Drive:

An optical drive is used for scanning things. It uses a laser to identify many things. They scan writings and other things.

Monitor:

A monitor is the screen of a laptop or a computer. It is used to see things and watch things. You can watch and entertain yourself with it. You can even watch videos and many other things.

CPU:

The CPU is an instruction guide on the basics of the computer/laptop. It is even the brain of the computer. It does everything you want it to do.

RAM:

A random-access memory device allows data items to be read and written in roughly the same amount of time regardless of the order in which data items are accessed.

Motherboard:

A motherboard is the electrical part of the laptop; a motherboard is even the main part of the computer and can be connected to other devices.

Inputs/Outputs:

Input- Input is whatever is inside the laptop/computer. It is everything from files to games. So basically everything you see right now is input.

Output- Output is everything outside of the computer/laptop. From printers to scanners; these are all output.

Touchscreens:

Touchscreen lets you be able to touch anything in the screen. Ipads and most phones can do this. Some laptops even have touchscreens.

Operating Systems/ Other software:

Operating system is software that allows programs to run. All devices have an operating software to be able to run things.

Tim Berners Lee:

Tim Berners-Lee is the creator of the World Wide Web; also known as “www”. He is a computer scientist, and graduated from “The Queen’s College, Oxford”.

Alan Turing:

Alan Turing was a British mathematician, logician, cryptanalyst, philosopher, computer scientist, mathematical biologist, and marathon and ultra-distance runner. He was really interested in learning about the computer.

The four generations of computers:

The first generation of computers was created in 1945 – 1955.

The second generation was created in 1955-1965.

The third generation was created in 1965-1980.

And the fourth generation was created in 1980 and ongoing.