Glossary
ROM: Read Only Memory: A nonvolatile memory chip manufactured to contain information that controls the computer’s basic operation. You cannot access or change information stored in ROM.
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SCSI: Small Computer System Interface is an industry standard interface for connection of a variety of peripheral devices.
SD Card: Secure Digital cards are flash memory widely used in a variety of digital devices such as digital cameras and Personal Digital Assistants.
SECAM L: SECAM (Sequential Color Memory) is a broadcasting standard used in France.
serial communications: A communications technique that uses as few as two interconnecting wires to send bits one after another.
serial interface: Refer to a type of information exchange that transmits information sequentially, one bit at a time.
SIO: Serial Input/Output. The electronic methodology used in serial data transmission.
soft key: Key combinations that emulate keys on the IBM keyboard, change some configuration options, stop program execution, and access the numeric keypad overlay.
software: The set of programs, procedures and related documentation associated with a computer system. Specifically refers to computer programs that direct and control the computer system’s activities. See also hardware.
stop bit: One or more bits of a byte that follow the transmitted character or group codes in asynchronous serial communications.
subpixel: Three elements, one red, one green and blue (RGB), that make up a pixel on the color LCD. The computer sets subpixels independently, each may emit a different degree of brightness. See also pixel.
synchronous: Having a constant time interval between successive bits, characters or events.
system disk: A disk that has been formatted with an operating system. For
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terminal: A
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