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Information Technology Specialists
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Technology Terms

   A lexicon of technology terminology.


Select a range:


save To write a file onto a disk.
save as A File menu item to save a previously saved file in a new location and/or with a new name.
scroll To shift the contents of a window to bring hidden items into view.
scroll bar A bar at the bottom or right side of a window that contains the scroll box and allows scrolling the screen.
SCSI Acronym for Small Computer System Interface.
SCSI address A number between zero and seven that must be unique to each device in a SCSI chain.
SCSI port A 25 pin connector on the back of a Mac (native SCSI port); used to connect SCSI devices to the CPU. Some SCSI cards (like the ATTO) have a 68 pin connector.
SCSI terminator A device placed at the end of a SCSI chain to complete the circuit. (some SCSI devices are self-terminating, or have active termination and do not require this plug).
Serial This is a consecutive occurrence of two items in the same channel.
serial port A port that allows data to be transmitted in a series (one after the other), such as the printer and modem ports on a computer.
server A central computer dedicated to sending and receiving data from other computers (on a network).
Shareware This is an application that a programmer makes available to users for a set amount of time and then asks for a donation. In return for the donation, a registration number is often returned that can be used to "turn on" the features of the program.
Shell This is a program that sets parameters and acts as a series of boundaries in which an application can run.
shut down The command from the Start menu that shuts down the computer safely.
SLIP Stands for Serial Line Interface Protocol. This is another application that allows for a connection to another computer.
SMTP Stands for Simple Mail Transfer Protocol, which is used to send email.
software Files on disk that contain instructions for a computer. This is a program, the actual code the computer reads. All other stuff is hardware. A floppy disc is hardware.
Spam This is to transmit unwanted messages, usually over email, to a great many people.
spreadsheet A program designed to look like an electronic ledger.
start up disk The disk containing system software and is designated to be used to start the computer.
surge suppressor A power strip that has circuits designed to reduce the effects of surge in electrical power. (not the same as a UPS)
SVGA Stands for Super Video Graphics Adapter. It's a high level monitor.
System file A file in the System folder that allows your Mac to start and run.
System folder An all-important folder that contains files used by the operating system.
TCP/IP Transmission Control Protocol/Internet Protocol. A set of programs and standards that allow varying computers to talk to each other.
Telnet One of the TCP/IP Protocols. It allows a connection to another computer over dedicated phone lines.
Terabyte (TB) It's about a trillion bytes. Actually it's 2 to the 40th power or 1,009,511,627,776 bytes.
Terminal This is what you look at when you're on the Internet. It's your computer screen.
Terminal Emulation This is an application that allows your terminal to act as a dumb terminal.
title bar The horizontal bar at the top of a window which has the name of the file or folder it represents.
Transparent Something that occurs without being known to the user.
TWAIN Stands for Technology Without An Interesting Name. I like this, I found it on another site.