| A | B |
| Arithmetic/ Logic Unit | The part of the central processing unit that performs arithmetic computation and logical operations. |
| Central Processing Unit | Also known as microprocessor: brains of the computer. |
| Circuit Board | A thin plate or board that contains electronic components. |
| Control Unit | The part of the Central Processing unit that flows the flow of information. |
| Data | Information entered into the computer to be processed that consists of text, numbers, sound and images. |
| Hard Disks | A disk storage unit inside a computer that can store a large quantity of data but cannot easily be removed from the computer, |
| Hardware | The tangible physical equipment that can be seen and touched. |
| Information | The output produced by a computer after it processed data. |
| Memory | Where data is stored on the computer's motherboard. |
| Mobile Devices | Electronic devices that fit into the palm of your hand, such as personal digital assistants (PDAs) calculators, smart phones, and other cell phones. |