By Hayley Smith

What is a computer for ?

A computer helps you in a many number of ways such as reserching communicating or storing things like photos or videos. Even though a computer is very useful it is very big and there are other smaller things that can help you in the same way as a computer such as a i pad, i pod or a laptop these things are much smaller and you can carry them around.

Parts of a computer

Disk-a disk is a piece of plastic that holds information for or from your computer.

C.D.-a round circle holds information for or from your computer.

Hard Drive-hard drives are machines that have alot of memory to save your work and carries a c.d.rom and a floppy disk

Keyboard-a keyboard is a tool that is used for typing like a typewriter.

Monitors- a monitor is the screen on your computer that you look at when you are on the computer.

Mouse- A mouse is a piece of plastic that has a ball on the bottom and two buttons on the top. When you click on the mouse, you usually click on the left button. It allows you to click on and choose things on your screen.

Printer- A machine that puts things from the computer onto paper

Scanner- A piece of equipment that copies pictures so that you can use it in your computer projects.

Speakers- The part of the computer that lets you hear the sound

Modem- A part of the computer that connects to the phone lines so that you can go on the Internet.

Chip- A small piece inside the computer that helps your computer work. Chips have to be programmed by people or they won't work. There are many chips in a computer

Motherboard- A main board of the computer that has many chips on it. The motherboard makes the computer work. It also is where the memory and the processing are found.

CPU (Central Processing Unit)

CPU is an electronic circuit that can execute computer programs. The first CPUs were used in the early 1960s without a CPU you wouldnt be able to play games surf the internet or type research papers. CPU stands for Central Processing Unit. A CPU allows you to operate software and run programs by fetching instructions from RAM evaluating them, and executing them in sequence.

RAM (Random Access Memory)

Random Access Memory (RAM) provides space for your computer to read and write data to be accessed by the CPU. When people refer to a computer's memory, they usually mean its RAM.

If you add more RAM to your computer, you reducethe number of times your CPU must read data from your hard disk. This usually allows your computer to work faster, as RAM is many times faster than a hard disk.


Before a computer can process your data, you need some method to input the data into the machine.

Touch Screens

A touchscreen is a visual display that acts as an input device, having something with a touch screen means that you dont need a mouse you can just control it with your finger.I Pods, I Pads, I Phones for example are types of touch screens. There are three basic systems that are used to recognize a person's touch: Resistive ,Capacitive and Surface acoustic wave.