| A | B |
| hardware | The physical parts of the computer, like the monitor, mouse and keyboard. |
| software | Programs that tell the computer what to do. |
| CPU | The brain of the computer (Central Processing Unit) |
| input device | Any hardware used to ENTER data. |
| output device | Hardware that SHOW data, like the screen and printer. |
| modem | device that connects computers to the Internet. |
| monitor | The hardware that shows output on its screen. |
| printer | hardware that produces a paper copy of data. |
| hard copy | A printed copy of computer output. |
| icon | A small picture representing computer hardware or software. |