| A | B |
| hard drive | set of sealed aluminum disks |
| word processing | program used to type reports, papers, etc. |
| search engine | used to help find things on the web |
| icon | a tiny picture on the screen that represents a program, file or folder |
| pixel | tiny dot of light on the monitor |
| virus | computer program written to damage computer systems |
| database | like a box of 3x5 cards that you can search, sort and analyze |
| record | in a database, it holds all the information about one item or subject |
| software | programs that run on a computer |
| megabyte | a unit of measure equal to 1,048,576 bytes, about a million bytes |
| spreadsheet | a document which helps you organize data in rows and columns of cells |
| peripheral | hardware device connected to a computer, usually by a cable |
| byte | group of 8 bits, strung together |
| URL | address of a website on the World Wide Web |
| gigabyte | unit of measure equal to 1,073,741,824 bytes, about one billion bytes |
| hardware | parts of a computer system you can touch |
| backup | extra copy of a document, file or program |
| modem | device that links a computer to other computers through a telephone line |
| Internet | millions of computers connected to each other |
| cell | the "box" where a column and a row intersect, in a spreadsheet |
| bit | smallest unit of information the computer uses |
| browser | software program that lets you explore the Web |
| disk drive | device that puts computer data onto a magnetic disk |
| HTML | a set of codes used to make Web pages |
| scanner | device that turns a picture into a computer image |
| font | letter style, like Arial, Times Roman, etc. |
| LAN | loal area network |
| WAN | wide area network |
| sort | function which lists first to last or last to first |
| toggle | move back and forth between programs |
| circuit | a path that electricity follows |
| chip | a tiny piece of silicon that does the work in a computer |
| boot | to get the computer system ready to work |
| cursor | a blinking line that shows where the next keystroke will appear |
| debug | get rid of mistakes in a computer program |
| delete | to remove a word, line, or paragraph; get rid of |
| ENIAC | first electronic computer in the US |
| hard copy | information printed on paper by a computer |
| input | moving data into the computer |
| input device | a keyboard, mouse, or a microphone for example |
| output device | monitor, speakers, or a printer |