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gh ch1 stack 4
| Question | Answer |
|---|---|
| RAM (random access memory) | Memory modules on the motherboard containing microchips used to temporarily hold data and programs while the CPU processes both. Information in RAM is lost when the PC is turned off. |
| ROM (read–only memory) | Chips that contain programming code and cannot be erased. |
| S/PDIF (Sony–Philips Digital Interface) sound port | A sound port that connects to an external home theater audio system, providing digital output and the best signal quality. |
| secondary storage | Storage that is remote to the CPU and permanently holds data, even when the PC is turned off, such as a hard drive. |
| serial ATA (SATA) | An ATAPI cabling method that uses a narrower and more reliable cable than the 80–conductor cable. See also parallel ATA. |
| serial port | A male 9–pin or 25–pin port on a computer system used by slower I/O devices such as a mouse or modem. Data travels serially, one bit at a time, through the port. Serial ports are sometimes configured as COM1, COM2, COM3, or COM4. |
| software | Computer programs, or instructions to perform a specific task. Software may be BIOS, OSs, or applications software such as a wordprocessing or spreadsheet program. |
| solid state drive (SSD) | A hard drive that has no moving parts. Also see solid state device (SSD). |
| startup BIOS | Part of system BIOS that is responsible for controlling the PC when it is first turned on. Startup BIOS gives control over to the OS once it is loaded. |
| system BIOS | BIOS located on the motherboard. |
| system board | The main board in the computer, Also called the system board. The CPU, ROM chips, DIMMs, RIMMs, and interface cards are plugged into the motherboard. |
| system clock | A line on a bus that is dedicated to timing the activities of components connected to it. The system clock provides a continuous pulse that other devices use to time themselves. |
| traces | A wire on a circuit board that connects two components or devices. |
| universal serial bus (USB) port | A type of port designed to make installation and configuration of I/O devices easy, providing room for as many as 127 devices daisy–chained together |
| video card | An interface card installed in the computer to control visual output on a monitor. Also called display adapter or graphics card. |
| video memery | Memory used by the video controller. The memory might be contained on a video card or be part of system memory. When part of system memory, the memory is dedicated by Windows to video. |
| volatile | Refers to a kind of RAM that is temporary, cannot hold data very long, and must be frequently refreshed. |
Created by:
genohelm
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