Technology — page 167 of 206

Technology terms

16601. SFC Cite Surface
16602. SFS Cite Shoot-Fail-Shoot.
16603. SFTS Cite Abbreviation for standard frequency and time signal. See standard time and frequency signal service.
16604. SG Cite Snow grains
16605. SGCD Cite Single Global Child Domain
16606. SGEMP Cite System/Source Generated Electromagnetic Pulse.
16607. SGLS Cite Space/Ground Link Subsystem.
16608. SGML Cite Standard Generalized Markup Language (Computer term).
16609. SHA Cite A client software component that declares a client's health state (by providing a statement of health) to a NAP agent.
16610. SHA-1 Cite Secure Hash Algorithm, for computing a condensed representation of a message or a data file specified by FIPS PUB 180-1.
16611. shade symbol Cite A pattern used to shade polygons in ARC/INFO. Shade symbol patterns include crosshatch, repeating, and solid fill.
16612. shadow Cite In secure systems, a permutation of the bits in a byte or other data unit, which permutation is used to increase redundancy during the signature process.
16613. Shadow Copy Cite A shadow copy is a high fidelity point-in-time copy of the original data. In the Windows environment, shadow copies are created using the Volume Shadow…
16614. shadow loss Cite The attenuation caused to a radio signal by obstructions in the propagation path. 2.
16615. shadow pagetables Cite A technique for hiding the layout of machine memory from a virtual machine's operating system.
16616. shadowing Cite A method of data replication that maintains an exact copy of electronic records, typically by continuously capturing changes and applying them at the…
16617. shallow copy Cite A copy of an object in which copies of all the object's sub-components are not also made.
16618. shannon (Sh) Cite The unit of information derived from the occurrence of one of two equiprobable, mutually exclusive, and exhaustive events.
16619. Shannon's law Cite A statement defining the theoretical maximum rate at which error-free digits can be transmitted over a bandwidth-limited channel in the presence of noise…
16620. SHAPE Cite Supreme Headquarters Allied Powers Europe.
16621. shaping network Cite A network inserted in a circuit for the purpose of improving or modifying the waveform of signals.
16622. share Cite Share means the basic unit of capital of a Connecticut credit union. Members may receive dividends based on the number of shares held.
16623. Share of Voice Cite Refers to the relative portion of exposure of an advertiser within a defined market sector over a period of time.
16624. share-level ACL Cite In Windows, a special type of ACL, distinct from ACLs on files, that can be used to restrict access to various users or groups.
16625. shared AMI Cite An AMI that users other than the owner have launch permissions for.
16626. shared AMISHA Cite An Amazon Machine Image that a developer builds and makes available for others to use.
16627. shared field Cite A field that is used in more than one form. For example, many forms have a creation date field, so designers can define the field once and reuse it.
16628. shared memory Cite A piece of "memory" accessible by two different processes who otherwise would not see each other's memory.
16629. Shared Secret Cite A secret used in authentication that is known to the claimant and the verifier.
16630. shared service link connection Cite A service link connection that can be used by any service customer (SC) in a predefined set of SCs on a first-come, first-service-basis; that is, during a…
16631. shared view Cite A view of a list, document library, or Web Part Page that every user with the appropriate permissions on a site can see.
16632. Shared Web Part Cite A Web Part added to a Web Part Page by a user who is working on the page in shared view.
16633. shareware Cite Software available for downloading from public networks and bulletin board systems, usually at little cost.
16634. sharpness Cite The informal, subjective evaluation of detail in the clarity or resolution seen in an image.
16635. sheath Cite Of a communications or power cable, the outer covering or coverings of tough material, often plastic, that is resistant to environmental hazards such as…
16636. sheath kilometers Cite The actual length of cable in route kilometers. [47 CFR Pt.36-A]
16637. sheath miles Cite The actual length of cable in route miles. [47CFR]
16638. shebang Cite Irish for the whole McGillicuddy. In Perl culture, a portmanteau of "sharp" and "bang", meaning the #!
16639. shelf life Cite period of time before deterioration renders materials unusable or the content of no value
16640. shell Cite See shoulder.
16641. SHER Cite Highly scalable Pellet-backed OWL DL reasoner.
16642. SHF Cite Super High Frequency.
16643. SHIELD Cite Shield (screen) A screen to shield a rain-gauge from the influence of the wind, or to shield a thermometer against insolation.
16644. shielded enclosure Cite [A] room or container designed to attenuate electromagnetic radiation. [INFOSEC-99]
16645. shielded pair Cite A 2-wire transmission line surrounded by a sheath of conductive material that protects it from the effects of external fields and confines fields produced…
16646. shielded twisted pair Cite A transmission line composed of a twisted 2-wire metallic transmission line surrounded by a sheath of conductive material that protects it from the…
16647. Shielding Cite A protective barrier, usually a dense material, which reduces the passage of radiation from radioactive materials to the surroundings.
16648. shielding effectiveness Cite The factor that expresses the attenuation caused by scattering, e.g., of radiant or acoustic energy, during its passage through a medium.
16649. shift Cite The movement of some or all of the characters or bits of a word by the same number of character or bit positions in the direction of a specified end of a…
16650. shift operator Cite See left shift operator and right shift operator.
16651. shift register Cite A storage device, usually in a central processing unit (CPU), in which device a serially ordered set of data may be moved, as a unit, into a discrete…
16652. ship Earth station Cite A mobile Earth station in the maritime mobile-satellite service located on board ship. [NTIA] [RR]
16653. ship station Cite A mobile station in the maritime mobile service located on board a vessel which is not permanently moored, other than a survival craft station. [NTIA] [RR]
16654. ship's emergency transmitter Cite A ship's transmitter to be used exclusively on a distress frequency for distress, urgency or safety purposes. [NTIA] [RR]
16655. SHIPALT Cite Ship Alteration.
16656. shock excitation Cite Synonym impulse excitation.
16657. shock spectrum Cite Synonym response spectrum.
16658. Shoot-Back Cite The technique of defending a space asset by shooting at an attacker. 264
16659. Shoot-Look-Shoot (SLS) Cite A tactic used to achieve Defense Engagement Options (DEOs), such as assured kill by shooting at the target, looking to see if it was killed, and shooting…
16660. shopping basket Cite In electronic commerce (also called "e-commerce"), an application allowing users of a commercial Web site to select products from the screen display as…
16661. SHORAD Cite Short-Range Air Defense.
16662. short Cite A Java keyword used to define a variable of type short.
16663. Short Circuit Test Line Cite The term "Short Circuit Test Line" denotes an arrangement in an end office which provides for an ac short circuit termination of a trunk or line by means…
16664. short haul toll traffic Cite A general term applied to message toll traffic between nearby points. In common usage, this term is ordinarily applied to message toll traffic between…
16665. short interruption event (SIE) Cite An event beginning with the occurrence of a bit error ratio (BER) of 10-2 or worse, continuously for each of three or more consecutive seconds, which can…
16666. short message service (SMS) Cite A service in GSM mobile telephony systems that allows the user to send and receive short (maximum 160-character) messages independently of voice calls; a…
16667. Short Range Air Launch Target Cite Single-stage, air-launched, solid propellant theater target with threat representative reentry vehicle.
16668. Short Range Ballistic Missile (SRBM) Cite A ballistic missile with a range capability of 30 km to 1,000 km. (USSPACECOM)
16669. short wavelength Cite In optical communication, optical radiation having a wavelength less than approximately 1 m.
16670. Short Wavelength Infrared (SWIR) Cite Thermal radiation emitted by a source in the electromagnetic spectrum encompassing infrared wavelengths of 0.75 to 3 microns.
16671. short-circuit operator Cite An operator in which only as many operands are evaluated as are needed to determine the final result of the operation.
16672. short-term retention Cite retention of a record for less than ten (10) years.
16673. shortcut key Cite A key-press associated with a component in a Graphical User Interface (GUI) that provides an alternative to selecting the component's operation with a…
16674. Shortwave Cite Also known as Shortwave Trough; a disturbance in the mid or upper part of the atmosphere which induces upward motion ahead of it.
16675. Shoskeles Cite An animated ad that moves across the browser, usually with sound effects. It animates only long enough to play a message before settling into a stationary…
16676. shot noise Cite The noise caused by random fluctuations in the motion of charge carriers in a conductor.
16677. SHOTL Cite Simulated Hot Launch (missile engineering term).
16678. shp Cite Shaft Horsepower.
16679. Shrouded RVs Cite Reentry vehicles enclosed in a material designed to shield its thermal and other characteristics.
16680. shut down Cite To halt and power off a computer.
16681. shutdown action Cite A predefined bootstrap action that launches a script that executes a series of commands in parallel before terminating the job flow.
16682. SHV Cite A server software counterpart to a system health agent (SHA). A system health validator verifies the statement of health (SoH) made by its respective SHA.
16683. SI Cite Special Intelligence.
16684. SI&I Cite Systems Integration and Interoperability.
16685. sibling document Cite In a view or folder, a document at the same level as another document.
16686. sibling sub classes Cite Classes that have the same immediate super class. See inheritance hierarchy.
16687. SIC Cite See Standard Industrial Classification (SIC)
16688. SICPS Cite Standard Integrated Command Post Shelter.
16689. SID Cite See definition for: security ID (SID)
16690. SID filter quarantining Cite A strict form of security identifier (SID) filtering that is applied to external trust relationships by default, which prevents any SIDs that are not part…
16691. SID filtering Cite A security enhancement that is applied to all Active Directory trust relationships to reduce the possibility of escalation of privilege attacks from…
16692. SIDAC Cite Single Integrated Damage Assessment Capability.
16693. SIDD Cite System Interface Description Document (US Army term).
16694. side circuit Cite Either of the two circuits used to derive a phantom circuit.
16695. side effect Cite An effect of a drug, chemical, or other medicine that is in addition to its intended effect, especially an effect that is harmful or unpleasant.
16696. side effects Cite Something extra that happens when you evaluate an "expression". Nowadays it can refer to almost anything.
16697. side lobe Cite In a directional antenna radiation pattern, a lobe in any direction other than that of the main lobe.
16698. sideband Cite In amplitude modulation (AM), a band of frequencies higher than or lower than the carrier frequency, containing energy as a result of the modulation…
16699. sideband transmission Cite See single-sideband transmission.
16700. Sidelobes Cite Residual EMR surrounding the main beam, which is of weaker power than the main beam.