| A | B |
| Central Processing Unit | Brains of the computer. |
| Graphic User Interface | Menu based interface using icons. |
| Hard Copy | Printed page of text or graphics. |
| Hardware | The physical equipment of a computer system that can be touched. |
| Impact Printers | Printers that strike paper in order to form images. |
| Keyboard | Input device that enters data. |
| Modem | Hardware that allows data to pass through telephone lines. |
| Monitor | Video screen of the computer system. |
| Mouse | Pointing device. |
| Non-impact Printer | Printer that forms images without striking paper. Ex. Laser Printers |
| Output | Information that leaves the computer. |
| Random Access Memory | Memory that can be read from and written to by the processor. |
| Read Only Memory | Memory used to store data permanently. |
| Scanner | Similar to a copy machine that allows data to be inpu into the computer. |
| Softcopy | Output viewed on the monitor. |
| Input Device | Used to enter data into the computer. Ex. Keyboard |
| Output Device | Displays or prints information produced by a computer. |
| Processor | Device that processes data into information. |
| Storage | Device that saves data so it can be used again. |
| Command Line Interface | A type of interface where the user types commands or presses special keys to enter data. |