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Computer Systems
Computer Hardware and Software
Term | Definition |
---|---|
CPU Central Processing Unit | The brain of the computer |
Motherboard | Every component in the computer is connected to this |
Hard Drive | Long term memory. It stores instructions for the computer that do not change. |
RAM Random Access Memory | Short term memory. Data is stored here while the computer is running for quick access. |
Input Devices | Devices that input information into the computer such as a keyboard, mouse, scanner, and digital camera. |
Output devices: | Devices that output information from the computer such as a printer and monitor. |
Graphic User Interface (GUI) | A set of images and icons seen on the desktop used to operate a program. Basic Windows GUI are icons are small pictures that represent files, commands, or windows. |
Ports: | An interface between the computer and another peripheral device such as a disk drive, mouse, printer, modem, monitor, camera, FLASH drive or keyboard. |
Peripherals | Devices that plug into a computer and are not housed internally. e.g. Printers, Scanners, Cameras |
Resolution | Number of pixels (picture elements) in the monitor image. |