miércoles, 29 de septiembre de 2010

Parts of a computer- DEFINITIONS

DEFINITIONS


Computer- Technically, a computer is a programmable machine. This means it can execute a programmed list of instructions and respond to new instructions that it is given.

Floppy 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.

BD. Blue- Ray Disk-.is an optical disc format such as CD or DVD. While a CD can hold 700 MB of data and a basic DVD can hold 4.7 GB of data, a single Blu-ray disc can hold up to 25 GB of data.
DVD- DVD, also known as "Digital Versatile Disc" or "Digital Video Disc," is an optical disc storage media format. Its main uses are video and data storage.

Hard Disk Drive-the hard drives are machines that have a lot 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.

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

Mouse- 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.

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 sounds from the programs.

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

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.

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.

CPU (Central Processing Unit)- A chip that is the "brain" of your computer that processes the information.

Virus- A software that damages your computer system.

World Wide Web- A part of the internet that let's you jump from site to site alot quicker.

RAM (Random Access Memory)- Memory chips in the computer that hold information to run your programs.

ROM (Read Only Memory)- A permanent memory chip that cannot be changed. This memory runs the computer.

Bit- A small piece of information that gives directions to the computer.

Byte- A byte is also information that gives the computer directions. A byte contains eight bits.

Software- The programs that run on the computer.

Hardware- The physical parts of the computer.

Computer- Links

EXERCISES (3º-1º ESO)
http://school.discoveryeducation.com/teachingtools/worksheetgenerator/wtg/tech.html
THE INTERNET. VOCABULARY (1º y 3º ESO)
http://www.lingolex.com/internet.htm
COMPUTER VOCABULARY. GAME (1ºESO)
http://www.abcya.com/computer_vocabulary.htm
COMPUTERS TYPES (3º eso)
http://www.cs.cmu.edu/~fgandon/lecture/uk1999/computers_types/
PARTS OF A TOWER CASE (3ºESO)