Sample Rate - The number of samples per second used for audio. Higher sample rates yield higher quality audio than lower sample rates.

Save - To store an application or data on a disk, as opposed to storing it temporarily in the memory of the computer.

Scan - What the computer does when you first turn on the power switch. It starts looking scanning the slots for a disk drive controller card. It looks first at slot 7 or the corresponding port; if it doesn't find a startup device there, it proceeds to the next-highest-numbered slot until it finds a startup device.

Scene List - A film list Cinema Tools users can export, which lists all the shots that are in the cut list with each shot listed only once. Scene lists are typically used to order prints of the shots in a program so that a workprint can be conformed prior to cutting the original camera negative.

Scene - In filming, a time and place setting for a series of one or more shots, typically tied together by a common story line or certain characters.

Scope - A group of services. A scope can be a logical grouping of computers, such as all computers used by the production department, or a physical grouping, such as all computers located on the first floor. You can define a scope as part or all of your network.

Screen - The part of the monitor where information is displayed. Like a movie screen, it's the place where things are projected.

Scroll Arrow - An arrow on either end of a scroll bar. Clicking the scroll arrow moves the document one line. Holding down the scroll arrow causes continuous scrolling.

Scroll Bar - A rectangular bar that may be along the right or bottom of a window. Clicking or dragging in the scroll bar causes the view of the document to change.

Scroll Box - The inverse box in a scroll bar. The position of the scroll box in the scroll bar indicates the position of what's in the window relative to the entire document.

Scroll - To move a document so you can see a different part of it.

Scrubber Bar - In iMovie, the timeline bar under the monitor or in the audio viewer that is used to position the playhead.

SCSI Address - A number between zero and seven that must be unique to each device in a SCSI chain. Fast and Wide SCSI devices will allow up to 15 SCSI IDs hexadecimal; however, the length restriction 3 meters is such that it is virtually impossible to link 15 devices together. Addresses are assigned on the drive via jumper pins -- or, on an external device, via push button options.

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.

- Small Computer Systems Interface. A specification of mechanical and electrical standards for connecting certain peripheral devices such as CD-ROM drives, external storage drives, and scanners to a computer. SCSI has been replaced by USB and FireWire on newer Macintosh models.

SDP (Session Description Protocol) - A text file used with QuickTime Streaming Server that provides information about the format, timing, and authorship of a live streaming broadcast and gives the user's computer instructions for tuning in.

SDRAM - synchronous dynamic RAM; used for the system to run the OS and Applications.

Search and Replace - To look for a particular word or phrase throughout a document and exchange it for another word or phrase you specify.

Search Policy - A list of directory domains searched by a Mac OS X computer when it needs configuration information; also the order in which domains are searched. Sometimes called a search path.

Sector - A part of a track. When disks are initialized for DOS 3.3, they are divided into tracks and sectors.

Select Button - A button on a printer that determines whether the printer should accept data from the computer or instructions from other buttons on the printer control panel like the line feed button or form feed button.

Select - In mouse-based applications, to designate where the next action will take place. To select something, you click on it or drag across it.

Serial Device - A device that sends and receives data one bit at a time over a single wire. A parallel device is a printer or other device that sends and receives data eight bits at a time over eight parallel wires.

Serial Interface - The condition of a computer and a peripheral device exchanging information one bit at a time along a single wire. A parallel interface is the condition of a computer and a peripheral device exchanging information eight bits at the same time along eight parallel wires.

Serial Port - One of two ports printer and modem on the back panel of the Apple IIgs designed for serial devices.

Serial Transmission - Supports modem, DSL, and ISDN capabilities.

Server or Host - A central computer dedicated to sending, storing, and receiving data from other computers on a network. The server or host provides services to other client computers on a network. On the Internet, a single computer often provides multiple host functions, such as processing e-mail, serving Web pages, and running applications.

Server - A network device that provides a service to network users, such as shared access to a file system a file server, control of a printer a print server, or storage of messages in a mail system a mail server.

Session - A period during which access to a WebObjects application and its resources is granted to a particular client typically a browser. Also an object of the WOSession class representing a session.

SGRAM - synchronous graphics RAM; used for displaying graphics by the system.

Shadow Image - A file, hidden from regular system and application software, used by NetBoot to write system-related information while a client computer is running off a serverbased system disk image.

Share Point - A folder, hard disk or hard disk partition, or CD that is accessible over the network. A share point is the point of access at the top level of a group of shared items.

Shared Printing
- A way to set up shared printing in which users send their documents directly to a printer. Before users can go on to other tasks, they must wait for their documents and all documents ahead of theirs to finish printing. Compare with background printing and print server.

Shelf - In iMovie, the area in the upper-right corner of the screen where DV clips are temporarily stored.

Shift - A key that you can press in combination with another key to get an uppercase letter or the upper character on a two-character key.

Short Name - An abbreviated name for a user. The short name is used by Mac OS X for home directories, authentication, and email addresses.

Shot - A continuous film recording that does not have any cuts. A shot is a subset of a scene.

Shuttle - In iMovie, previewing video forward or backward at double speed in the monitor by using the Fast Forward or Rewind button during playback.

Simplified Finder - A user environment featuring panels and large icons that provide novice users with an easy-to-navigate interface. Mounted volumes or media to which users are allowed access appear on panels instead of on the standard desktop.

Simulation - A computerized representation of something in action.

Size Box - A box on the bottom-right corner of some active windows that lets you resize the window.

Slash - A character used to separate the parts of a pathname.

Slide-Show Option - A feature of some applications that lets you arrange displays in a sequence so you can use them in presentations. The application changes slides after a certain time interval or when you press a certain key.

Slot Number - A way an application might ask you to describe the location of a peripheral device. There are seven general-purpose slots on the main circuit board for connecting peripheral devices to the computer. They are numbered from 1 to 7 with 1 on the left as you face the front of the computer. If your device is connected to a port instead of a slot, you can still use the application by typing the slot number that corresponds to the port.

Slot - A long, narrow connector inside the Apple IIgs that lets you connect a printer and other devices to the computer.

SLP Service Location Protocol DA Directory Agent - A protocol that registers services available on a network and gives users easy access to them. When a service is added to the network, the service uses SLP to register itself on the network. SLP/DA uses a centralized repository for registered network services.

smart port - When devices connected to the disk drive port appear to be connected to a card in slot 5 instead of slot 6, the disk drive port is described as a smart port.

SMB Server Message Block
- A protocol that allows client computers to access files and network services. It can be used over TCP/IP, the Internet, and other network protocols. Windows services use SMB to provide access to servers, printers, and other network resources.

SMB - NFS an export, or FTP protocols.

SMPTE (Society of Motion Picture and Television Engineers) - The standardsetting organization that established the SMPTE standard timecode for video. SMPTE timecode is the most commonly used timecode format.

SMTP Simple Mail Transfer Protocol - A protocol used to send and transfer mail. Its ability to queue incoming messages is limited, so SMTP usually is used only to send mail, and POP or IMAP is used to receive mail.

SNMP Simple Network Management Protocol - A set of standard protocols used to manage and monitor multiplatform computer network devices.

SO-DIMM - small outline dual inline memory module.

Software Catalog - A book that describes software.

Software Pirate - A person who copies applications without the permission of the author.

Software - Instructions, usually stored on disks, that tell the computer what to do. Compare hardware.

Source Clips - The media files you start with when you begin editing. These are the files that are captured into your computer and linked to the Cinema Tools database before editing begins.

Space - A space is a long period of silence encountered during a modem connection.

Spam - Unsolicited email; junk mail.

Special-Interest Application - An application designed for a particular audience diagnostic applications for doctors, crop-rotation applications for farmers, and so on. Also called vertical-market software.

Specification - A detailed description of the components, requirements, resolution, dimensions, materials, etc., of a product. Knowledge Base keyword specsht.

Speech Synthesizer - An interface card that allows a computer application to imitate human speech.

Spreadsheet Application - An application that simplifies financial planning, cost estimating, and other number-crunching tasks. It is laid out in columns and rows.

Sprite - An animated image that is managed by QuickTime. A sprite is defined once and is then animated by commands that change its position or appearance.

- S-registers are memory locations in the modem where modem settings are stored. You use the Sn=x command to change the setting in an S-register.

SSL Secure Sockets Layer - An Internet protocol that allows you to send encrypted, authenticated information across the Internet.

Standard Definition Video - Refers to the NTSC and PAL video standards. Also known as SD Video.

Star - A network layout in which cable and devices radiate from a central point.

Start Up - To load an application from a disk into the memory of the computer. Also called boot.

START13 - An application on the DOS 3.3 System Master disk that makes it possible to run DOS 3.2-based applications.

Startup Device
- The device, typically a hard disk, that contains the valid OS.

Startup Disk - A disk used to start up the computer.

Star-Wired Ring - A ring network in which the cable between devices passes through a central wire center called a multistation access unit MAU. See also multistation access unit.

Static IP Address - An IP address that is assigned to a computer or device once and is never changed.

Stop Bits - One or two bits that indicate the end of a character.

Store-and-Forward Device - A device, such as a mail server, that stores messages from one computer and then forwards the message to the destination computer when requested by the recipient.

Streaming - Delivery of video or audio data over a network in real-time, as a stream of packets instead of a single file download.

Structured Language - A type of programming language in which programs are built out of smaller subprograms. Programs that are planned in advance instead of designed on the fly. Pascal is an example of a structured programming language.

Subdirectory - A directory within a directory that usually contains related documents; used to organize the information on large-capacity disks.

Subnet - A grouping on the same network of client computers that are organized by location different floors of a building, for example or by usage all eighth-grade students, for example. The use of subnets simplifies administration.

Subscript - Text that appears slightly lower than the text around it. Superscript is text that appears slightly higher than the text around it.

Super Serial Card - A serial interface card manufactured by Apple Computer, Inc. You don't need to use one with the Apple IIgs because the serial interface is built-in and can be accessed through the printer and modem ports.

SuperDrive - A combination CD-RW/DVD-R drive that can read and write CDs as well as DVDs that can be played in consumer DVD players.

Super-High Resolution - A graphics mode that can display information using a rectangular array of 640 horizontal by 200 vertical dots in 4 colors or 320 horizontal by 200 vertical dots in 16 colors.

Superimpose - To place an element such as text on top of a DV clip or other background.

- An Apple version of the PILOT programming language. PILOT is an Acronym for Programmed Inquiry, Learning, Or Teaching. A programming language that lets teachers design their own educational software.

- Text that appears slightly higher than the text around it. Subscript is text that appears slightly lower than the text around it.

Supers - Short for superimposed. Overlays of images or text onto frames. For example, titles are superimposed onto frames.

Switch - A device that uses traffic isolation technology to reduce the number of stations per network segment.

Symmetric Multiprocessing SMP
- A feature of an operating system in which two or more processors are managed by one kernel, sharing the same memory, having equal access to I/O devices, and in which any task, including kernel tasks, can run on any processor.

Synchronizer Block - A small mechanical bench device with sprocketed wheels mounted on a revolving shaft. Located between film reels mounted on shafted rewinds, it accepts one strip of film and perforated magnetic sound track per sprocketed wheel. Once the film and track are locked onto the wheels, they can be placed in exact mechanical sync and will maintain this sync while they are advanced forward through the synchronizer block. The synchronizer block also keeps track of elapsed footage via a mechanical feet and frames counter geared to the sprocket wheels. Also known as a sync block, sync machine, or synchronizer.

Sync - Short for synchronization. When audio is in unison synchronized with the picture, they are said to be in sync.

Syntax Error Message - A message you get when you misspell a computer command.

Syntax - The rules that govern the structure of statements or instructions in a programming language or in an operating system.

System Disk - Disk containing an application with programs that copy, delete, rename and in other ways manipulate files and disks.

System Operator - Abbreviated SYSOP. The human operator of a computerized bulletin board.

System Preferences - An application you use to configure settings for your network, mouse cursor speed, desktop background, user accounts, display resolution, and more. System Preferences has functionality similar to that of the Windows Control Panel.

System - A basic computing system including a monitor, a keyboard and mouse or trackpad, and a box that houses the computer's central processing unit CPU or microprocessor, memory RAM chips, disk drives, external ports, and video circuitry.

System-less clients - Computers that do not nave operating systems installed on their local hard disks. System-less computers can start up from a disk image on a NetBoot server.