| A | B |
| Computer monitor | An output device that displays the computer's user interface |
| Computer speakers | An output devices that produce audio that can be heard by listeners. |
| CPU | The brain of the computer. It processes all instructions given to the computer and changes the instructions into actions. |
| Motherboard | A circuit board in the computer that contains most of the controllers for the computer. It contains the CPU |
| Peripheral | Any external device that provides input and output for the computer. |
| Computer Power Supply | A power supply is a hardware component that gives power to an electrical device. It looks like a metal box with a fan inside and cables attached to it. |
| Computer Flash Drive | A small data storage device that uses flash memory and has a USB connection. |
| Computer Mouse | An input device that usually has a scroll bar and buttons that interact with the computer allowing you to select items from a computer interface. |
| Computer Scanner | An input device that converts photographs or pages of text into digital data. |
| Tablet | A portable computer that uses a touch screen as its primary input device. |
| Keyboard | One of the primary input devices of the computer. It has alphabet keys |
| Computer Printer | An output device that produces paper documents. |
| Computer Modem | short for Modulator/Demodulator. It is a communications device that can be either internal or external to your computer. It allows one computer to connect another computer and transfer data over telephone lines. |
| Hard Disk | A spindle of magnetic disks |
| Workstation | It refers to a computer (and often the surrounding area) that has been configured to perform a certain set of tasks |
| Random Access Memory (RAM) | short term memory that is erased from the computer when you log off |
| Read Only Memory | Memory that is utilized by the computer to bring up operating system software and applications. This is long term memory. |
| Backup | A copy of one or more files created as an alternative in case the original data is lost or unusable. |
| Boot | to turn on the computer. |
| Arithmetic Logic Unit (ALU) | Part of the CPU that performs arithmetic and boolean functions |
| Binary Code | A two digit code that all information on the computer utilizes. It is a system of 1's and 0's turning switches off and on. |
| Byte | A set of 8 bits that represent a single character in the computer's memory. |
| Application | A software program that runs on your computer. Web browsers, microsoft office, and windows are all examples of this. |
| Ergonomics | The study of how humans interact with manmade objects. The goal is to create an environment that is well-suited to a user's physical needs. |
| Soft Copy | A document saved on a computer. It is the electronic version of a document. |