By Hayley Smith
What is a computer for ?
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)
RAM (Random Access Memory)
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.
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.