| A | B |
| Monitor | A video or computer display device. |
| Megabyte | Approx. a million bytes. |
| Gigabyte | Approx. a billion bytes (or 1,000 megabytes). |
| Icon | A small picture or symbol representing a computer hardware function or component. |
| CPU | The brain of the computer or central processing unit. |
| Modem | The device that allows your computer to talk to other computers over a telephone line. |
| Hard Copy | A printed copy of computer output. |
| RAM | The computer's working memory, sometimes called random-accessed memory. |