Technology — page 165 of 206

20,531 terms including subtopics (0 terms filed directly here)

Technology terms

self-authentication A procedure in which a transmitting station , i.e., a calling station, establishes its own validity without the participation of the receiving station, i.
self-delineating block A block in which a bit pattern or a flag identifies the beginning or end of a block.
self-describing An entity whose data structure, form, or layout provides both definitions and values for the data or formats of the object A self-describing entity can be…
self-electro-optic effect device See SEED.
self-focusing In the optical regime, the property of an element (rod or slab of material) that (a) has a refractive index gradient that is a defined function of the…
self-healing In case of failure, there will be a hot backup instance of the application ready to take over without disruption (known as failover).
self-relative address In computer programming, a partial computer address that uses the base address of the computer program, in which it appears, as the ellipsed component of…
self-synchronizing code A code in which the symbol stream formed by a portion of one code word, or by the overlapped portion of any two adjacent code words, is not a valid code…
self-testing circuit A circuit that uses the data it is retransmitting to perform tests on itself to ensure that it is transmitting properly, i.e.
SEM Abbreviation for scanning electron microscope.
SEMA Special Electronics Mission Aircraft.
Semantic analysis This means applying a combination of general and specific thesauri and ontologies, and automatic phrasing, -for example, to understand the intention of…
semantic error An error in the meaning of program. A statement may have no syntax errors, but might still break the rules of the Java language.
Semantic indexing Semantic indexing of content by detection and annotation of sentences, paragraphs and other semantic structures in unstructured content.
Semantic Web Extension of the World Wide Web in which the semantics of information and services on the web is defined, making it possible for the web to understand and…
semaphore A fancy kind of interlock that prevents multiple threads or processes from using up the same resources simultaneously.
Semi-Active Homing Guidance A system of homing guidance wherein the receiver in a missile utilizes radiations from a target, which has been illuminated by an outside source.
Semi-Active Sensor One that does not generate radiation itself, but that detects radiation reflected by targets when they are illuminated by other BMD components.
semi-permanent connection A connection established via a service order or via network management. [T1.627-1993]
semiactive record A record that is infrequently referred to but is still needed for reference See also active record and inactive record.
semiautomated tactical command and control system A machine-aided command and control system in which human intervention is required in varying degrees to operate the system.
semiautomatic switching system In telephone systems, a switching system in which telephone operators receive call instructions orally from users and complete them by automatic equipment.
semiconductor laser Synonym injection laser diode.
semiduplex operation A method which is simplex operation at one end of the circuit and duplex operation at the other.
SEMP Systems Engineering Management Plan.
SEMS System Engineering Management Schedule. 262
Send connector A connector used to send mail to remote mail systems based on administrator-defined address spaces.
send loudness rating (SLR) See sending loudness rating. [T1.508-1998]
sender A device that accepts address information from a register or routing information from a translator, and then transmits the proper routing information to a…
Sender ID A Microsoft-controlled version of SPF. An email authentication and anti-spoofing system. For more information about Sender ID, go to http://wikipedia.
Sender Policy Framework (SPF) (SPF) A standard for authenticating email. See Also http://www.openspf.org.
sender reputation Anti-spam functionality that is enabled on computers that have the Edge Transport server role installed to block messages according to characteristics of…
sending loudness rating (SLR) The ratio in dB of the sound pressure produced by a speaker to the voltage produced by a telephone and loop as defined by ITU-T Recommendation P.79. [T1.
sending-end crossfire In teletypewriter (TTY) systems, interference, in a given channel, caused by transmissions from one or more adjacent TTY channels transmitting from the…
Senior Agency Information Security Officer Official responsible for carrying out the Chief Information Officer responsibilities under the Federal Information Security Management Act (FISMA) and…
Senior Procurement Executive (SPE) The senior official responsible for management direction of the Service procurement system, including implementation of unique procurement policies…
SENSCOM Sentinel System Command.
sensitive information 1. Information, the loss, misuse, or unauthorized access to or modification of, which could adversely affect the national interest or the conduct of…
Sensitivity When referring to a medical test, sensitivity refers to the percentage of people who test positive for a specific disease among a group of people who have…
sensitivity label 1. Information representing elements of the security label(s) of a subject and an object.
Sensitivity Levels A graduated system of marking (e.g., low, moderate, high) information and information processing systems based on threats and risks that result if a…
sensor A device that responds to a stimulus, such as heat, light, or pressure, and generates a signal that can be measured or interpreted.
Sensor Aging The gradual degradation in performance of a sensor over time.
Sensor Data Measurement information. For a passive sensor it is usually irradiance time, and LOS.
Sentiment analysis The evaluation of the sentiment - typically positive or negative - of the text based on the usage of language.
Sentinel ABM system designed for light area defense against a low-level ballistic missile attack on the United States.
SEO Survivability Enhancement Option.
SEO Copywriting Writing and formatting copy in a way that will help make the documents appear relevant to a wide array of relevant search queries.
SEP Signal Entrance Panel.
separate channel signaling Signaling in which the whole or a part of one or more channels in a multichannel system is used to provide for supervisory and control signals for the…
Separation see "limited divorce."
Separation Hardware Objects expelled during payload separation sequence.
separation of duties In secure communications, dividing responsibility for sensitive information so that no individual acting alone can compromise the security of the data…
separations The process by which telecommunication property costs, revenues, expenses, taxes, and reserves are apportioned among the operations. [47 CFR Pt.36-A]
separator A "character" or "string" that keeps two surrounding strings from being confused with each other. The split function works on separators.
SEPG Software Engineering Process Group.
SEPRD System Element Production Readiness Demonstration.
septet A byte composed of seven binary elements. Synonym seven-bit byte.
SEQ Sequence, or Staff Equivalent.
sequence The linear order of nucleotides along a DNA or RNA molecule, and the process of obtaining this.
sequence number (SEQ) In a packet, a field of the packet header that is used by the terminating endpoint to determine if the packets arrive in sequence. [T1.509-1995]
sequential access Synonym serial access.
sequential filing See consecutive-numeric filing.
sequential logic element A device that has at least one output channel and one or more input channels, all characterized by discrete states, such that the state of each output…
sequential transmission Synonym serial transmission.
Sequestration The reduction or cancellation of new budget authority; un-obligated balances, new loan guarantee commitments or limitations; new direct loan obligations…
SERB Software Engineering Review Board.
SERD Support Equipment Recommendation Data (ILS term).
SERG System Engineering Review Group.
serial Pertaining to a process in which all events occur one after the other; for example, the serial transmission of the bits of a character according to the…
serial access Pertaining to the sequential or consecutive transmission of data into or out of a device, such as a computer, transmission line, or storage device. 2.
serial computer A computer that has a single arithmetic and logic unit. 2. A computer, some specified characteristic of which is serial; for example, a computer than…
serial console A terminal attached to the serial port of a NetApp appliance. Used to monitor and manage the appliance's operations.
serial filing See consecutive-numeric filing.
serial port A port through which data are passed serially, i.e., one bit at a time, and that requires only one input channel to handle a set of bits, e.g.
Serial Technology An interface design that allows data to be sent one bit at a time, using thin cables, and is capable of faster speeds, greater reliability, and more…
serial transmission The sequential transmission of the signal elements of a group representing a character or other entity of data.
serial-to-parallel conversion Conversion of a stream of data elements received in time sequence, i.e., one at a time, into a data stream consisting of multiple data elements…
serialization The encoding of objects, and the objects reachable from them, into a stream of bytes and the complementary reconstruction of the object graph from the…
serializer See parallel-to-serial conversion.
series A configuration of an electrical circuit in which the positive lead is connected to the negative lead of another energy producing, conducting, or…
series number This number is a unique identifier assigned by the Utah State Archives to each record series created and maintained by each state and local government…
series T junction A three-port waveguide junction that has an equivalent circuit in which the impedance of the branch waveguide is predominantly in series with the…
SERP Search Engine Results Page is the page on which the search engines show the results for a search query.
SERPs plural for SERP (search engine results pages)
Server Any computer on a network that contains data or applications shared by users of the network on their client PCs.
server application process An application process that implements all or part of the functionality defined by a service definition [ECMATR46].
server authentication certificate In AD FS, a certificate that AD FS-enabled Web servers, federation servers, and federation server proxies use to secure Web services traffic for…
server blade a computer system contained on a single, hot-pluggable board, for use in a blade server.
server certificate An electronic stamp stored in the server's key ring file that contains a public key, a name, an expiration date, and a digital signature.
server cluster A group of computers, known as nodes, that work together as a single system to ensure that mission-critical applications and resources remain available to…
server command A command that lets a user perform a task, such as shutting down or restarting a server.
server connection A document in the Domino Directory or a user's Personal Address Book that defines a connection to a server.
server consolidation Server consolidation is an approach to the efficient usage of computer server resources in order to reduce the total number of servers or server locations…
server containment an IT strategy to minimize server sprawl by provisioning new services on virtual machines hosted on a virtual infrastructure leading to better…
server document A document that defines many of the settings that control how a Domino server operates.
server farm A centralized grouping of network servers maintained by an enterprise or, often, an Internet service provider (ISP).
Server Logs Files hosted on servers which display website traffic trends and sources. Server logs typically do not show as much data and are not as user friendly as…
Server Manager An expanded Microsoft Management Console (MMC) component available in Windows Server that provides a single source for securely deploying and managing…
Server Manager command line tool A command line tool that automates the deployment of roles and features on computers running Windows Server.