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C2 Vocabulary 0413
| Question | Answer | Question | Answer |
|---|---|---|---|
| Control unit | retrieves the instructions and sends command signals to the rest of the computer system to tell them what to do. | Byte | can represent one alphabetic or one numeric character of information |
| Arithmetic logic | ALU, is the sector of the CPU that performs the mathematical calculations that are required in many data processing programs | Video | can be input into the computer with the use of digital cameras, video cameras, or Web cams |
| Memory Unit | allows storage of information, is internal to the computer, and is divided into two types of memory | Pixel | is a single colored square on the screen |
| Keyguards | are hard plastic covers with holes for each key | RAM | temporary memory that is designed to hold new data and is available only while the computer is turned on |
| Cache | provides a temporary storage area that provides a quick access to information | ROM | permanent internal memory inside the system, is inaccessible by the user, and is used to store the instructions that are installed or programmed at the manufacturer |
| Input device | allows the input of data into the computer | Mousepad | allows good movement of the mouse and comes in trendy designs |
| Computer system | refers to the computer and other support devices | Bit | smallest unit of binary information |
| Central processing unit | the processor |