S

Storage 
  • Sag (Power)
    • Short term decreases in voltage.
  • Satellite (Geosynchronous) transmission
    • Satellites can also be used to bounce microwave signals around the world.
  • Scalable font
    • Refers to font sizes. Typically 10 or 12.
  • Scripted multimedia authoring tool.
    • see Multimedia Tools.
  • Scrolling
    • allows cursor to move "scroll" through text.
  • SCSI ( See Small Computer Systems Interface )
  • SDM
    • Statistical division Multiplexors a type of Time Division Multiplexer.
  • Secondary Storage Hardware
    • Store Data and programs permanently. For Microcomputers the most important are Floppy Disks and Hard Disks.
  • Sector
    • Defined region on a disk drive.
  • Security
    • Involves those PROCEDURES necessary to ensure the right to privacy is enforced and is enforceable.
  • Server mirroring
    • Two servers communicating via high speed link, whereby all data and memory are mirrored. Used in cases like medical life support systems.
  • Serial Data Communications
    • a character is broken down into it's component binary digits and sent sequentially
  • Shadow mask (monitor)
    • Like a sieve, is a sheet of metal punched full of holes that focuses the electrons fired from the electron guns. Aperture grille is an alternative technology.
  • Shareware
    • Copyrighted software, distributed by authors through bulletin boards, on-line services, disk vendors, and copies passed among friends. software, distributed by authors through bulletin boards, on-line services, disk vendors, and copies passed among friends.
  • SIMM (see Single in-line memory module)
  • Simplex Transmission
    • One way signal (Communications Type)
  • Single in-line memory module
    • a small card containing RAM chips. Used to add extra memory to a personal computer.
  • Slicing and dicing
    • in Decision support systems, multidimensional data manipulation.
  • Slide-based multimedia authoring tool
    • see Multimedia Tools.
  • Small Computer Systems Interface (SCSI)
    • An interface that controls up to seven devices (including CD-ROM, scanners and some printers), each with it's own individual controller.
  • Smart card
    • A credit card sized device that is capable of storing and changing the data on it. May contain a Computer chip that stores data, or a magnetic strip which is modified
  • Software
    • instructions that tell the computer what to do. (Software ==> Computer)
  • Sound board (Multimedia)
    • An add-in card with software that captures and plays back sound or music. [Ref 26]
  • Spike (Power)
    • High magnitude short duration power disturbances.
  • Spreadsheet
    • A term to describe a grid-like table of data (the worksheet) and the computer program that operates on it. For example a Budget Analysis.
  • SQL (see Standard Query Language.)

[Rev 12/08/00] 28/8/97 © 1997-2000 V/2-Com (Verhaart), P O Box 8415, Havelock North, New Zealand.