Question | Answer |
Bit | The smallest possible unit of binary information that can be entered or stored in a computer |
Peripheral Devices | Pieces of hardware that can be used for ease of input, converting output to an easily readable format, and extra storage. |
CPU | Stands for Central Processing Unit. The "brain" of the computer. 3 parts: the control unit, the arithmetic logic unit, and the memory unit. |
RAM | Random Access Memory: "short term" memory of the computer. Easily accessable, and resets when computer is shut down. |
ROM | Read-Only Memory: Data installed by the manufacturer. Inaccessable by the user. Instructs the computer on automatic operations like booting up. |
Input Devices | Hardware that allows data to be entered into the computer. ex: keyboard, mouse, digital camera, scanner, video or audio recorder, webcam. |
Output Devices | Converts data into a format that is useful to the user. ex: monitor, printer, speakers, etc. |
USB | Universal Serial Bus port. A port that is accessable to many input and output devices and provides for quick transmission of data. |
Storage Devices | Hardware that can keep data for long periods of time. Can be internal or external. ex: hard drive, zip drive, flash drive, SD card, etc. |
Ethernet Port | Port that allows for high speed transfer of data to and from the internet or a smaller network. |
Port | Connection point in a computer that allows for exchange of data between the computer and devices or a network. |
Touch Screen | Hardware that serves the function of monitor as well as input device. User touches the screen in indicated areas to input data and make selections. |
Processor Speed | Indicator of the speed at which data is transfered in and out of memory. |
Gigabyte | A unit of measurement of binary information. Represents 10^9 or 1,000,000,000 bytes. |
Computer System | Includes the CPU and all peripheral devices. Receives, processes, and outputs information. |