Usage glossary for computers letter S

What is See Definition Servlets are platform-independent, 100% pure Java server-side modules that fit seamlessly into a Web server framework and can be used to extend the capabilities of a Web server with minimal overhead compare
What is Solid-Oxide Fuel-Cell Explain makes use of an electrochemical reaction, combining hydrogen or natural gas with oxygen to produce heat and power. The reaction is quiet and produces water as a bi-product. Fuel-cells are more why
What is Services Update Software What is Windows server add-on that makes it easier to deploy patches and other updates to a group of managed computers. Set to be superseded by WUS. Relevant links: www.microsoft.com/windowsserversystem/sus how better
What is Function Application Server Meaning SAF Server Application Function. An API for server software. See also NSAPI when
What is Standard Generalized Mark-up Language Abbreviation SGML Standard Generalized Mark-up Language. Relevant links: http://www.w3.org/MarkUp/SGML/ http://xml.coverpages.org/sgml.html determines
What is Modulator Light Spatial How to SLM Spatial Light Modulator. A device for modulating light, normally under computer control such as in a projector comparing to
What is Simultaneous send and receive / Double sided printing Help allowing simultaneous data transfer when both sending and receiving data. cf simplex. 2. To print on both sides of a sheet of paper. Also referred to as double sided printing. Most printers (see depends on
What is Vhs Super Crossword SVHS Super VHS. Developed by JVC to offer an improved quality video over the VHS standard for video recording which
What is Server Business Small Examples refer to Small Business Server 2003 (or earlier versions) from Microsoft.Relevant links: www.microsoft.com/windowsserver2003/sbs/default.mspx - Windows Small Business Server 2003 Home http://blogs difference
What is Management Configuration Software Encyclopedia SCM Software Configuration Management when
What is Secure Multipurpose Internet Mail Extensions protocol Information about S/MIME Secure Multipurpose Internet Mail Extensions protocol. Protocol for secure email and electronic data interchange pros and cons
What is Science of small scale map production Tutorial Generalisation The science of small scale map production - specifically aggregating, smoothing or omitting features (to avoid clutter similarities
What is Stream Control Transmission Protocol Error Protocol. An end-to-end, connection-oriented protocol that transports data in independent sequenced streams. SCTP endpoints support multi-homing; therefore, interface redundancy is built into the how much
What is Symmetric High Speed Digital Subscriber Line Answer SHDSL Symmetric High Speed Digital Subscriber Line how many
What is Token Context Security Means what structure (or in some contexts a pointer to a data structure) holding information to identify an established secure communication between two end points. The SCT is created as a result of compare
What is Systems, Applications and Products in Data Processing Description in Data Processing. A leading ERP software package. Relevant links: http://en.wikipedia.org/wiki/SAP_AG - Information about the German SAP company, which produces the SAP sof why
What is Serial Line Internet Protocol Definition SLIP Serial Line Internet Protocol. A protocol for TCP/IP networking over serial lines how better
What is Shielded Twisted Pair / Standard Temperature and Pressure / StraightThrough Processing / Software through Picture Explain Standard Temperature and Pressure. Defined as 0 degrees C and 1 atmosphere. 3. Straight Through Processing. The automaton of the trade and clearing process for financial transactions. 4. Software thr when
What is Software distributed on a try-before-you-buy basis What is on a try-before-you-buy basis. Typically you are allowed to use the software for a period of 30 days before needing to purchase a license, but terms and conditions will vary. Strictly shareware is a determines
What is Synchronized Multimedia Integration Language Level 2 Meaning Integration Language Level 2. An XML based language from W3C that allows authors to write interactive multimedia presentations. Relevant links: www.w3.org/TR/SMIL2/ - Specification for SM comparing to
What is Simultaneous Multithreading Technology / Surface Mount Technology Abbreviation Technology. See also: Hyper-Threading. 2. Surface Mount Technology. A manufacturing technique where components are design for direct mounting on the surface of a PC board or substrate depends on
What is Service Pack 2 for Windows XP / Windows XP with SP 2 How to XPSP2 1. Service Pack 2 for Windows XP. Available as a free download from Microsoft. 2. Windows XP with Service Pack (SP) 2 applied which
What is Service Pack / Stored Procedure / Space character Help SP3, SP4 2. Stored Procedure. Procedural code, written in SQL and stored as part of a database which can then be referenced by name either directly or by other stored procedures. 3. Space character difference
What is Spatial Data Engine / Shared Data Environment / Standard Deviationerror Crossword database or information system that holds spatial data (i.e. data with coordinates in 2D or 3D space), providing various means to query the data including the use of spatial queries. 2. Shared Data when
What is Include Side Server Examples Includes. Relevant links: http://httpd.apache.org/docs/howto/ssi.html - Apache tutorial and introduction to server side includes. www.4images.com/ntperl/isiall.htm - Articl pros and cons
What is Simple Personal Object Technology Encyclopedia SPOT Simple Personal Object Technology similarities
What is Synchronize Information about SYN Abbreviation for Synchronize how much
What is Software allowing peripherals to function Tutorial computer peripherals function. Driver software is written specifically for the device to allow it to work with a particular operating system of the computer. If you upgrade your computer operating s how many
What is Short Message Service / Systems Management Server Error SMS 1. Short Message Service - mobile phone text messaging. 2. (Microsoft) Systems Management Server.Relevant links: www.microsoft.com/smserver/default.mspx - Systems Management Server home page compare
What is Sub Network Access Protocol Answer SNAP Sub Network Access Protocol why
What is Serial Storage Architecture / Software Services Agreement Means what open standard for high speed serial bus for connecting to disk storage. Relevant links: www.interfacebus.com/Design_Connector_SSA_Bus.html - SSA Bus Descritpion and Architecture how better
What is Id Security Description SID Security Identifier, or Security ID. A SID uniquely identifier a user, group or computer when
What is Spatial Information System / Single Instance Store Definition SIS 1. Spatial Information System. 2. Single Instance Store determines
What is Size 1 machine readable travel document Explain TD-1 Size 1 machine readable travel document (MRTD); sizes specified by ISO 7810 comparing to
What is Language Query Structured What is query language is a standard language available on virtually all database systems for quering, adding and updating information from database systems Relevant links: www.w3schools.com/sql - SQL tuto depends on
What is Second server ready to take over from a primary Meaning is powered up and ready to take over from a primary server should the primary fail. The standby server may automatically take over or may require minimal intervention to do so depending on the which
What is Inspection Packet Stateful Abbreviation firewall mechanism which examines each incoming network packet and only allows through those packets which are for a known open connection.Relevant links: www.firewall-software.com/firewall difference
What is Selective Gaussian Blur Noise Reduction How to Reduction. An image-processing noise reduction technique that works by applying an adaptive low-pass filter controlled by an edge protection mechanism. Relevant links: http://pleiades-astro when
What is Agreement Level Service Help SLA Service Level Agreement pros and cons
What is Software as a Service Crossword software which works under the model of the user paying to use the software instead of the traditional model of paying for owning the software (or owning a license for it). Typically SaaS is used for similarities
What is Framework Id Sender Examples from Microsoft which helps address the problem of SPAM, by providing a means to validate the origin of an e-mail by verifying the IP address of the sender with the alleged owner of the sending how much
What is Graphics Vector Scaleable Encyclopedia based language for describing two dimensional vector graphics (for the web). An SVG file normally has the file extension .svg. Relevant links: www.w3.org/TR/SVG - Scaleable Vector Graphics how many
What is Single Data Rate SDRAM Information about SDR Single Data Rate SDRAM. The first generation SDRAM, which ran at the same speed as the system bus. cf DDR SDRAM, which allows data to be read twice as fast as SDR SDRAM compare
What is Dram Synchronous Tutorial Dynamic RAM).A type of computer memory which is synchronized with the system clock and runs at the same speed as the system bus. For this reason SDRAM is also sometimes referred to as SDR SDRAM why
What is Standard for short range radio communication Error low power, short range, radio communication between devices. Bluetooth is used to allow mobile phones, computers, PDAs and the like to communicate across short distances, i.e. providing a personal how better
What is Switch allowing a single keyboard, monitor and video to connect to manycomputers Answer monitor, keyboard and video to be switched between two or more separate computers thereby allowing two or more computers to be controlled from the same keyboard, video, monitor combination. See also when
What is Someone who keeps a blog Means what Blogger A blogger is someone who keeps, writes or maintains a blog determines
What is 2 Pack Service Description SP2 Service Pack 2 comparing to
What is Utility Configuration Software Definition SCU Software Configuration Utility depends on
What is Ata Serial Explain SATA Serial ATA (Serial AT Attachment). See Serial ATA which
What is Sorry Could Not Resist / Subtractive Chromatic Noise Reduction What is Not Resist. 2. Subtractive Chromatic Noise Reduction. A noise reduction technique to reduce unwanted green pixels in deep-sky colour astrophotos. Incorporating corrections from Juan Conejero difference
What is Setting of a video adapter / Ability of a digital camera to take video Meaning video adapter. Different video modes support different resolutions (i.e. number of pixels horizontally and vertically) and colour depth (i.e. the number of colours). The following table lists common when
What is Simple Mail Transfer Protocol Abbreviation protocol for sending (or relaying) e-mail to a server. See also: IMAP, POP, MX Record. Relevant links: www.ietf.org/rfc/rfc0821.txt - RFC 821 defines SMTP. www.greenend.org pros and cons
What is Search Engine Results Page How to SERP Search Engine Results Page(s). The page or pages that contain results from a search engine displayed in response to having entered a query into the search engine.cf SEO similarities
What is Group Interest Special Help SIG 1. Special Interest Group. 2. Abbreviation for "Signature", specifically when referring to an e-mail or newsgroup posting how much
What is Set of words said in place of letters Crossword Phonetic Alphabet was developed in the 1950s by ICAO, and was adopted by NATO because it was regarded as being intelligible and pronounceable by all NATO allies in the heat of battle. It uses words how many
What is Super Extended Graphics Array Examples video graphics card standard that supports screen resolutions up to 1280 x 1024 (i.e. 1280 pixels wide by 1024 pixels tall). The term is sometimes also applied to graphics resolutions greater than 1 compare
What is She Who Must Be Obeyed Encyclopedia originated from the novel "She" by H. Rider Haggard, where it was used to refer to the absolute female ruler. The term is normally used in jest to refer to a wife (or girlfriend) but could why
What is Simple Network Paging Protocol Information about SNPP Simple Network Paging Protocol how better
What is Software Licensing and Protection Tutorial A range of products from Microsoft aimed at ISVs and software developments to help protect and manage their software.Relevant links: www.microsoft.com/slps - Microsoft Software Licensing and when
What is Protection Copy Software Error SCP Software Copy Protection. cf NCP. Refers to software that has some form of copy protection, typically through the use of unlock keys determines
What is Later You See Answer CUL Chat abbreviation: See You Later comparing to
What is Simple Authentication Secure Layer Means what SASL Simple Authentication Secure Layer. SASL provides authentication support to connection-based protocols.SASL is defined in RFC 2222 depends on
What is Http Secure Description Protocol (Secure-HTTP). An extended version of HTTP providing security through encryption. SHTTP encrypts data transfers, but does not authenticate the client. The responsibility for authentication which
What is Small and Medium Enterprises / Society of Manufacturing Engineers Definition SME 1. Small and Medium Enterprises. cf LME. 2. Society of Manufacturing Engineers difference
What is Point Distribution Software Explain SDP Software Distribution Point when
What is 3 Pack Service What is SP3 Service Pack 3 pros and cons
What is Spatial Data Transfer Standard Meaning SDTS is a standard for the transfer of digital spatial data between (dissimilar) computer systems, with the potential for no information loss. Relevant links: http://mcmcweb.er.usgs.gov/sdts similarities
What is Source Code Control System Abbreviation SCCS Source Code Control System. An early version control system available on UNIX platforms. Widely regarded as having been superseded by rcs and cvs how much
What is Dlt Super How to improvement on DLT. For storage capacities see DLT. Relevant links: www.storagetek.com/products/product_page50.html - Capacity of SDLT and other related specifications how many
What is Layer Sockets Secure Help transmitting documents over the internet using a private key to encrypt the data. Originally developed by Netscape and now an industry standard. cf TLS, SHTTP, HTTPS. SSL is used in e-commerce we compare
What is Spatial Database Management System Crossword SDBMS Spatial Database Management System (Spatial - DBMS). SDBMS provide storage and analysis functions optimised for handling spatial data, i.e. data in two or three dimensional space why
What is Stand-by Power Supply Examples SPS Stand-by Power Supply. A cheaper form of UPS (see UPS for comparison how better
What is Send and receive simultaneously at the same speed Encyclopedia Full Duplex Data can be sent and received simultaneously and at the same speed. cf Half Duplex when
What is Same as bits per second Information about bit rate An alternate name for bits per second (bps determines
What is Algorithm Hash Secure Tutorial scrambling data by creating a a hash string which adds a unique fingerprint to message. Relevant links: http://csrc.nist.gov/CryptoToolkit/tkhash.html - Computer Security Resource comparing to
What is Control Process Statistical Error use of statistical methods to measure, analyze and improve processes. Measurements can be taken at points within a process, not just at the end of a process. These measurements can then be examined depends on
What is Size 2 machine readable travel document Answer TD-2 Size 2 machine readable travel document; sizes specified by ISO 7810 which
What is 1 Pack Service Means what SP1 Service Pack 1 difference
What is Search The F***ing Web Description STFW Search The F***ing Web. Implies a search engine search for information is more likely to turn up results than asking people (or posting to newsgroups when
What is Manager Reference Security Definition SRM Security Reference Manager pros and cons
What is Standards that allow computers to communicate Explain computers to communicate. Protocols also define ways of handling lost or damaged data packets. The main types of network protocol are: HTTP FTP TCP/IP IPX DECnet AppleTalk Ne similarities
What is Someone Else's Problem / September / Search Engine Promotion What is of speech, which acknowledges a problem as well as acknowledging that it is not it is not that person's responsibility (or in that person's power) to deal with the problem. 2. September. Common how much
What is Request Change Software Meaning SCR Software Change Request how many
What is Simple Network Management Protocol Abbreviation SNMP Simple Network Management Protocol compare
What is Drive State Solid How to SSD Solid State Drive. A disk drive technology which stores data to solid state devices (flash) without the need for any moving parts why
What is Same as Hyper-Threading Help HyperThreading Slightly abbreviated term for Hyper-Threading how better
What is Television Definition Standard Crossword SDTV Standard Definition Television. A television standard providing lower quality images than those provided by HDTV. SDTV includes both the NTSC and PAL television standards.cf HDTV when
What is Kit Development Software Examples SDK 1. Software Development Kit. 2. Often taken to refer to Microsoft SDK. Relevant links: http://msdn.microsoft.com/downloads determines
What is Simple multitasking operating system strategy Encyclopedia operating system strategy in which each process has complete control of the system until it voluntarily relinquishes control. Cooperative multitasking systems are much simpler to design than pre comparing to
What is Software Information about S/W Common abbreviation for software (SoftWare). Also abbreviated as sw depends on
What is Search Engine Results Pages Tutorial pages that contain results from a search engine displayed in response to having entered a query into the search engine.SERPS is the plural of SERP, see SERP for further details which
What is Protection File System Error SFP System File Protection. Relevant links: http://support.microsoft.com/default.aspx?scid=kb;en-us;267282 difference
What is Firewall Software Answer SWF Software FireWall when
What is Someone who seeks to harass Means what Troll Someone who posts messages to newsgroups seeking to harass or provoke other people contributing to the newsgroup. See also Trolling pros and cons
What is Service Oriented Architecture / Start of Authority / Super Output Area /Same Old Architecture . Service Order Agreement Description collection of services that communicate with each other. SOA is an architectural approach to system design based around the use of services and the interfaces to those services. Relevant links: w similarities
What is Identification Set Service Definition Sometimes referred to as the name of a wireless network. The two types of SSID are ESSID (for wireless networks with an access point) and BSSID (for ad-hoc wireless networks how much
What is Procedure Operating Standard Explain Standard Operating Procedures are intended to provide a clear statement of how to perform a procedure (the procedures may be either routine procedures or procedures to follow in the event of an how many
What is Work Of Statement What is Work sets out what work is required for a given job. The SOW should clearly identify each item of work and what is expected. A SOW may form part of the contractual basis for work as it is a compare
What is Session Initiation Protocol / Single inline package Meaning SIP 1. Session Initiation Protocol. Used for setting up communications sessions on the internet, such as instant messaging, conferencing, telephony or whiteboarding. 2. Single in-line package why
What is Spam and Open Relay Blocking System Abbreviation SORBS Spam and Open Relay Blocking System. SORBS also lists Open Proxy servers (cf Open Relay) and machines that appear to be sources of Spam. Relevant links: www.dnsbl.nl.sorbs.net how better
What is Simple Object Access Protocol How to protocol that describes a model for packing XML enquiries and responses. SOAP messaging is used to enable exchange of a variety of XML information. The SOAP standard takes on the job of transporting when
What is Server Side Includes / SQL Server Integration Services Help as SSIs, and is the plural of SSI. 2. (Microsoft) SQL Server Integration Services. A tool from Microsoft for easing the integration, cleansing and analysis of data from multiple, heterogeneous info determines
What is Marketing Engine Search Crossword directed towards using search engines to market a web site, the purpose may include improving natural and paid listings or a combination of these and other search engine-related activities. Se comparing to
What is Sending a print job to a print queue Examples Spooling Sending a print job to a print queue, from where it is sent to a printer, rather than directly to the printer depends on
What is Segmentation and Re-assembly Encyclopedia Optional features of the Wireless Transport Protocol (WTP) used to split large WTP messages into a number of smaller datagrams (with resend for failed datagrams), thereby improving the transmission which
What is Simultaneous send and receive of data but at different speeds Information about Half Duplex Allowing simultaneous sending and receiving of data, but data is sent at a lower speed than it is received. cf Full Duplex difference
What is Storing data across multiple disks Tutorial Striping Storing data across multiple disks in such a way that I/O read and write operations can proceed in parallel. Striping can give significant performance gains. cf RAID when
What is Optimisation Engine Search Error of optimising a website so that it appears near the top of the list of results returned by search engines. The goal of SEO is to be top or at least in the top few search results for various types of pros and cons
What is Storage Area Network / Standard Address Number / Standard AccountNumber Answer and NAS. 2. Standard Address Number. A unique seven digit number used to identify a specific address of an organisation in the publishing industry.Relevant links: www.isbn similarities
What is Apartment Threaded Single Means what used within a Component Object Model technologies (COM), to indicate that each thread operates within its own logical compartment. In STA, COM guarantees that all accesses to thread local storage how much
What is Block Message Server Description SMB Server Message Block. File sharing protocol used in DOS, OS/2 and early versions of Windows how many
What is Simple Network Time Protocol Definition SNTP Simple Network Time Protocol compare
What is SI unit of luminous intensity Explain Candela International unit (SI) of the luminous intensity of light. Roughly equivalent to the light from a single candle (from which the name was derived why
What is Self Monitoring Analysis and Reporting Technology / Specific,Measurable, Achievable, Relevant, Time-Based What is Reporting Technology. A HDD diagnostic technology that monitors device performance and attempts to predict device failure. SMART software on the HDD monitors the internal performance of motors, media how better
What is South East / Search Engine / Software Engineering / Student Edition Meaning abbreviation often used in discussions relating to SEO. 3. Software Engineering. 4. Student Edition. When used in relation to software an SE edition is normally cheaper and may be lighter on feat when
What is Manager Accounts Security Abbreviation SAM Security Accounts Manager determines
What is Unix For Services How to software suite from Microsoft that provides a means for integrating and accessing Windows systems in a Unix environment. Relevant links: www.sffcommittee.com/ - Small Form Factor (SFF) Committee ho comparing to
What is Small Computer Systems Interface Help cf IDE. SCSI can be used to interface to any device that has a SCSI interface, this includes devices such as printers and scanners as well as the more traditional disk and tape drives. SCSI adapters depends on
What is Security Support Provider Interface Crossword Interface. Provides a standard application interface to a number of security models. Relevant links: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/secauthn/security/sspi.asp which
What is Cleared Security Examples SC Security Cleared or Security Clearance. Abbreviation often used in job advertisements to indicate that an applicant must hold a valid security clearance difference
What is Secure Electronic Transaction / To apply a value / Group of similar things Encyclopedia system for ensuring the security of electronic transactions (such as financial or credit card transactions) across the internet. 2. To apply a value. Some programming languages have an explicit &quo when
What is Situation Normal, All Fouled Up Information about Snafu 1. Situation Normal, All Fouled Up. 2. Situation Normal, All F**ked Up. Term may have originated from troops during World War 1 pros and cons
What is Simple API for XML Tutorial SAX Simple API for XML. A standardised API for event based analysis of XML programme modules similarities
What is Software that monitors the activities of a user Error activities of a user (such as their browsing habits) or gathers information about a user (such as stored credit card details) without the user's knowledge or permission. This information will then be how much
What is Secure FTP / FTP over SSH / Simple FTP Answer Protocol). Also known as "SSH File Transfer Protocol". A network protocol providing file transfer and manipulation over a secure data stream. 2. FTP over SSH. Running FTP over a secure SSH how many
What is Shut The F*** Up Means what STFU Internet slang abbreviation for: Shut The F*** Up. An abusive term compare
What is Notice Change Software Description SCN Software Change Notice why
What is Single inline module / Subscriber Identity Module / Simulation Definition Subscriber Identity Module. The SIM card (or smart card) in a mobile phone. It securely identifies the mobile subscriber - it identifies the phone account to the network, provides basic data storage how better
What is Service Pack 6 for NT 4 Explain NT4SP6 1. Microsoft Windows NT 4 (workstation or server) with service pack 6. 2. Service Pack 6 for NT 4 when
What is Processing Multi Symmetric What is ability to run programs on the same machine but on different processors, all managed by the same operating system and sharing system resources such as memory, I/O, etc. Requires at least two determines
What is Sony/Philips Digital Interface Meaning Often written as S/PDIF. It is a standard (developed by Sony and Philips) for the digital transfer of audio data. Transferring audio data between two devices digitally avoids the degradation of comparing to
What is Scsi Attached Serial Abbreviation SAS Serial Attached SCSI depends on
What is Factor Form Small How to Factor refers to a small sized case for a PC, much smaller than a standard ATX tower or mini/midi tower case. Whilst there does not appear to be a strict definition of what constitutes a small form which
What is Level Confidence Spam Help Used to refer to the spam confidence level rating applied to incoming emails by Microsoft Exchange server with Intelligent Message Filter installed. The higher the SCL the more likely (or the more difference
What is Single Instruction Multiple Data Crossword SIMD Single Instruction Multiple Data. A set of instructions where each individual instruction acts on two or more pieces of data in parallel when
What is Shell Secure Examples SSH Secure Shell. A set of applications and protocols to provide secure encrypted message transmission between two computers on an insecure (e.g. public) network pros and cons
What is Classes Of Set Encyclopedia classes, implicitly or explicitly in a library, available to applications. Class libraries are normally supplied with development tools (such as Delphi or Visual Studio) but class libraries can also similarities
What is Framework Policy Sender Information about records indicate which mail servers are permitted to send email with a given "from" address. SPF is an attempt to counter "e-mail address spoofing", where a sender (typically a how much

Definitions for computer scientists

Computer library, software engineers in practical use.

Windows Sender Policy Framework definition Set of classes explain Secure Shell what is Single Instruction Multiple Data meaning Spam Confidence Level abbreviation. explain.

What is See definition Solid-Oxide Fuel-Cell explain Software Update Services for developers.