Glossary

S

SCSI: Small Computer System Interface is an industry standard interface for connection of a variety of peripheral devices.

SD cards: Secure Digital cards are flash memory widely used in a variety of digital devices such as digital cameras and Personal Digital Assistants.

serial port: A communications port to which you can connect devices, such as a modem, mouse, or serial printer.

serial: The handling of data bits one after the other.

SIO: Serial Input/Output. The electronic methodology used in serial data transmission.

Smart media: A storage card of about one-thirds of the area of a conventional PC card and only 0.76mm thickness. It can be used in equipment that requires a removable memory chip for portability.

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.

standby: See resume.

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 colour LCD. The computer sets subpixels independently, each may emit a different degree of brightness. See also pixel.

suspend: See resume.

S-video:This connection provides separate lines for contrast and colour, which produces a video image superior to that produced by a composite connection. See also RCA jack.

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 MS-DOS the operating system is contained in two hidden files and the COMMAND.COM file. You can boot a computer using a system disk. Also called an operating system disk.

Satellite A30 Series

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