| A | B |
|---|
| hard drive | set of sealed aluminum disks |
| word processing | program used to type reports, papers, letters, etc. |
| search engine | used to help find information on the Internet |
| icon | tiny picture of something on the screen; clicking on it causes an action |
| pixel | one dot of light on the monitor |
| virus | program written to harm files or corrupt data |
| megabyte | a unit of measure equal to 1,440,000 bytes |
| peripheral | hardware device connected to the computer; scanner, printer, etc. |
| byte | a group of 8 bits |
| gigabyte | unit of measure equal to about 1,000,000,000 bytes |
| hardware | parts of the computer system you can touch and see |
| bit | smallest unit of information a computer can process |
| disk drive | device that puts computer data onto a magnetic disk |
| scanner | device that turns a picture into data the computer understands |
| circuit | a path that electricity follows |
| chip | a tiny piece of silicon inside the computer |
| cursor | the blinking light that shows where you enter information |
| ENIAC | first electronic computer built in the U.S. |
| hard copy | data printed on paper |
| input | moving data into the computer |
| input device | a keyboard, mouse, or microphone is an example of this |
| LAN | local area network |
| WAN | wide area network |
| output device | speaker, monitor, & printer are examples of this |
| URL | address of a website on the Internet |
| spreadsheet | an accounting program for a computer |
| database | a usually large collection of data organized especially for rapid search and retrieval |
| freeware | software that is available for use at no cost or for a nominal usually voluntary fee |
| data | information in numerical form that can be digitally transmitted or processed |
