Computer Terms and Definitions

Computer and Internet Glossary

Computer and Internet terms beginning with the letter S.

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Safe ModeSafe Mode is a way for the Windows operating system to run with the minimum system...
SambaMost people know of samba as a type of rhythmic dance music from Brazil that uses a...
SampleA sample is a digital representation of an analog signal. Both digital video and...
SamplingBefore digital recording took over the audio and video industries, everything was...
SANStands for "Storage Area Network." A SAN is a network of storage devices that can...
SATAStands for "Serial Advanced Technology Attachment," or "Serial ATA." It is an...
ScannerA scanner is an input device that scans documents and images, which can be imported...
ScreenshotA screenshot, or screen capture, is a picture taken of your computer's desktop...
ScriptA computer script is a list of commands that are executed by a certain program or...
Scroll BarWhen the contents of a window are too large to be displayed entirely within the...
Scroll WheelComputer windows are often not large enough to display the entire contents of the...
ScrollingMost computer programs display their content within a window. However, windows are...
SCSIStands for "Small Computer System Interface," and is pronounced "scuzzy." SCSI is...
SDStands for "Secure Digital." It is a type of memory card used for storing data in...
SDRAMStands for "Synchronous Dynamic Random Access Memory." Yeah, it's a mouthful, but...
SDSLStands for "Symmetric Digital Subscriber Line." SDSL is a type of of DSL, which is...
Search EngineGoogle, Excite, Lycos, AltaVista, Infoseek, and Yahoo are all search engines. They...
Secondary StorageSecondary storage refers to storage devices and media that are not constantly...
SectorA sector is the smallest unit that can be accessed on a hard disk. Each platter...
SEOStands for "Search Engine Optimization." Just about every Webmaster wants his or...
Serial PortThe serial port is a type of connection on PCs that is used for peripherals such as...
SERPSERP is an acronym for "Search Engine Results Page." This is the Web page that...
ServerAs the name implies, a server serves information to computers that connect to it...
Service PackA service pack is a software package that contains several updates for an...
SharewareThere is commercial software and then there is shareware. With commercial...
ShellMost people know of shells as small protective coverings for certain animals, such...
Shift KeyShift is a modifier key that allows you to capitalize lowercase letters and enter...
SIMMStands for "Single In-Line Memory Module." This is an older type of computer...
Site MapA site map, sometimes written "sitemap," is an overview of the pages within a...
SkinThis strange term refers to the appearance of a program's interface. By changing...
SKUStands for "Stock Keeping Unit," and is conveniently pronounced "skew." A SKU is a...
SkyscraperWhile not as common as the banner ad, the skyscraper is another prevalent form of...
SlashdotPress releases can often trigger increased interest in a certain topic, and if a...
SLIStands for "Scalable Link Interface." SLI is a technology developed by NVIDIA that...
SMARTStands for "Self-Monitoring Analysis And Reporting Technology." It is used to...
SMBStands for "Server Message Block." SMB is a network protocol used by Windows-based...
SMSStands for "Short Message Service." SMS is used to send text messages to mobile...
SMTPStands for "Simple Mail Transfer Protocol." This is the protocol used for sending...
SnapshotWhile the term "snapshot" is often used in photography, it is also a computing term...
SnippetA snippet is a small block of source code or text that can be inserted into a...
SNMPStands for "Simple Network Management Protocol." SNMP is used for exchanging...
SO-DIMMStands for "Small Outline Dual In-Line Memory Module." Most desktop computers have...
SOAStands for "Service Oriented Architecture." When businesses grow, they often add...
SOAPStands for "Simple Object Access Protocol," and can do more than just get your...
Social NetworkingWhen the Web became popular in the mid-1990s, it enabled people to share...
SocketWhen a computer program needs to connect to a local or wide area network such as...
Soft CopyA soft copy is a document saved on a computer. It is the electronic version of a...
Soft TokenA soft token is a software version of a hard token, which is a security device used...
SoftwareComputer software is a general term that describes computer programs. Related...
Solid StateSolid state, at its most basic level, means "no moving parts." Therefore, solid...
Sound CardThe sound card is a component inside the computer that provides audio input and...
Source CodeEvery computer program is written in a programming language, such as Java, (C/C++|...
SouthbridgeThe southbridge is a chip that connects the northbridge to other components inside...
SpamOriginating from the name of Hormel's canned meat, "spam" now also refers to junk...
SpiderA spider is a software program that travels the Web (hence the name "spider...
SpoofingThe word "spoof" means to hoax, trick, or deceive. Therefore, in the IT world...
SpoolA spool is a temporary storage area within the computer's RAM that contains input...
SpoolingSpooling is the process of a sending data to a spool, or temporary storage area in...
SpreadsheetA spreadsheet is a document that stores data in a grid of horizontal rows and...
SpywareAs the name implies, this is software that "spies" on your computer. Nobody likes...
SQLStands for "Structured Query Language," and can be pronounced as either "sequel" or...
SRAMStands for "Static Random Access Memory." I know it is tempting to pronounce this...
sRGBStands for "Standard RGB" (and RGB stands for Red-Green-Blue"). All the colors you...
SSHStands for "Secure Shell." SSH is a method of securely communicating with another...
SSIDStands for "Service Set Identifier." An SSID is a unique ID that consists of...
SSLStands for "Secure Sockets Layer." SSL is a secure protocol developed for sending...
StackA stack is a type of data structure -- a means of storing information in a...
StandaloneA standalone device is able to function independently of other hardware. This...
StandbyWhen electronic devices are receiving power but are not running, they are in...
Static WebsiteA static website contains Web pages coded in HTML. The content of each page is...
Status BarA status bar is a small area at the bottom of a window. It is used by some...
Storage CapacityStorage capacity is another term for "disk space." It measures how much data a...
Storage DeviceA computer storage device is any type of hardware that stores data. The most...
StreamingData streaming, commonly seen in the forms of audio and video streaming, is when a...
StringA string is a data type used in programming, such as an integer and floating point...
SubdirectoryA subdirectory, or subfolder, is a folder that is nested within another folder...
Subnet MaskA subnet mask is a number that defines a range of IP addresses that can be used in...
SupercomputerA supercomputer is a high-powered computer system that has processing capabilities...
SuperscalarA superscalar CPU can execute more than one instruction per clock cycle. Because...
Surge ProtectorThe surge protector is an important, yet often overlooked part of a computer setup...
SwitchA switch is used to network multiple computers together. Switches made for the...
SyncWhen you "sync" a device, you synchronize it with your computer. Syncing is...
SyntaxEach spoken language has a general set of rules for how words and sentences should...
System AnalystA system analyst is the person who selects and configures computer systems for an...
System HardeningMost computers offer network security features to limit outside access to the...
System RequirementsWhenever you purchase software or hardware for your computer, you should first make...
System ResourcesYour computer has many types of resources. They include the CPU, video card, hard...
System SoftwareSystem software refers to the files and programs that make up your computer's...
System UnitThis is the technical term that refers to the box that houses your computer. The...
SystrayThe systray, short for "system tray," is located on the right side of the Windows...

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