Technology terms starting with S

2,256 terms

  1. slave station In a data network, a station that is selected and controlled by a master station.
  2. SLBD Sea Lite Beam Director.
  3. SLBM Submarine-Launched Ballistic Missile.
  4. SLC Space Launch Complex.
  5. SLCM Sea-Launched Cruise Missile.
  6. SLD Solid
  7. SLED (Single Large Expensive Disk) means the mainframe hard disks that were used as a basis for comparison during the initial UC Berkeley RAID studies.
  8. Slew Time The time needed for a weapon/sensor/antenna to move from point to point.
  9. slewing Rotating a directional antenna or transducer rapidly about one or more axes. 2. Changing the frequency or pulse repetition rate of a signal source. 3.
  10. slice A selection of any number of elements from a "list", "array", or "hash".
  11. sliding window A variable-duration window that allows a sender to transmit a specified number of data units before an acknowledgement is received or before a specified…
  12. SLIP Motion occurring along a fault plane.
  13. slip-free operation Operation of a communications system with sufficient phase-locking to avoid overflowing or emptying buffers.
  14. SLIP/PPP A dialup version of TCP/IP.
  15. slit source Synonym line source.
  16. sliver polygon A small areal feature commonly occurring along the borders of polygons following the topological overlay of two or more coverages.
  17. SLKT Survivability, Lethality, and Key Technology.
  18. SLO (Service Level Objective) The specific quantifiable and measurable attributes of a service that form the basis of a Service Level Agreement. See also: Service Level Agreement
  19. SLOC Sea Line of Communication.
  20. slope An inclined surface usually defined by the ratio of the horizontal distance to the vertical distance, i.e. 2:1 (2 horizontal units to 1 vertical unit).
  21. slope equalizer A device or circuit used to achieve a specified slope in a metallic transmission line.
  22. slope-keypoint compaction Data compaction accomplished by stating (a) a specific keypoint of departure, (b) a direction or slope of departure, (c) the maximum deviation from a…
  23. slot A fishing size limit where the angler may keep fish shorter than a minimum length but longer than an upper length limit.
  24. slot antenna A radiating element formed by a slot in a conducting surface or in the wall of a waveguide.
  25. slot time In networks using carrier sense multiple access with collision detection (CSMA/CD), the length of time that a transmitting station waits before attempting…
  26. slotted-ring network A ring network that allows unidirectional data transmission between data stations by transferring data in predefined slots in the transmission stream over…
  27. SLRX System Life-cycle Risk Expert.
  28. SLS See Shoot-Look-Shoot.
  29. SLT 1. Slight (as in "slight chance") 2. Sleet
  30. slurp To read an entire "file" into a "string" in one operation.
  31. SLV (1) Space Launched Vehicle. (2) Satellite Launch Vehicle.
  32. SM service mark
  33. SM&R Source, Maintenance and Recoverability (ILS term).
  34. SM-2 Standard Missile-2. (U.S. Navy)
  35. SM-3 Standard Missile-3.
  36. SM-ALC Sacramento Air Logistics Center (USAF term).
  37. Small Optics Precision mirrors or refractors, less than 1 meter, and related technology, for precise pointing and tracking from/to relatively small vehicles separated…
  38. SMART (Self Monitoring Analysis and Reporting Technology) The industry-standard reliability prediction indicator for ATA and SCSI hard disk drives that offers early warning of some hard disk failures so critical…
  39. smart bot Abbreviation for smart robot. See bot.
  40. Smart Card A credit card size device which contains a microprocessor, memory and a battery.
  41. Smart Checklist Destroy, disrupt, damage or destroy BMC3 tool for BMD warfighters .
  42. smart host A designated server through which Exchange routes all outgoing messages. The smart host then makes the remote connection.
  43. smart jack Synonym [loosely] continuity check transponder.
  44. Smart Munitions Munitions that think for themselves and have the self-contained ability to search, detect, acquire and engage targets.
  45. smart robot See bot.
  46. SmartFilter Software that restricts access to Web sites. It identifies the sites that contain content in various categories, maintains lists of those sites in control…
  47. SMAT Satellite and Missile Analysis Tool.
  48. SMATH Space Materials Advanced Technology for Hardness.
  49. SMB Server Message Block. The Microsoft file-sharing protocol that preceded CIFS.
  50. SMC Space and Missile System Center.
  51. SMCo Standard Missile Company. 268
  52. SMCS Standard Monitoring and Control System (for US naval ships) (see ICS).
  53. SMD (1) Strategic Missile Defense. (2) OBSOLETE. Navy Sea-Based Midcourse Defense. See AEGIS BMD.
  54. SMDR Abbreviation for station message-detail recording.
  55. SME (1) Single Management Element. (2) Subject Matter Expert.
  56. smearing In video displays, a localized distortion over a sub-region of the image, characterized by reduced sharpness of edges and spatial detail.
  57. SMERFS Statistical Modeling and Estimation of Reliability Functions for Software.
  58. SMES Super Conducting Magnetic Energy Storage.
  59. SMIL Acronym for synchronized multimedia integration language. A protocol for downloading digitized streams or audio/video data files in the absence of a…
  60. SMMW Submillimeter Wave.
  61. smooth Earth Idealized surfaces, such as water surfaces or very level terrain, having radio horizons that are not formed by prominent ridges or mountains but are…
  62. SMP Soviet Military Power (US DoD publication).
  63. SMP (Symmetric Multiprocessing) A computer architecture that utilizes multiple CPUs to complete individual processes simultaneously.
  64. SMP (Symmetric Multiprocessor) A multiprocessor architecture in which two or more processors are connected to a single pool of shared memory. See also Uniprocessor (UP).
  65. SMPTE Abbreviation for the Society of Motion Pictures and Television Engineers.
  66. SMR Code Source, Maintenance, and Recoverability Code (ILS term).
  67. SMS Standard Mobile Segment.
  68. SMS (Short Message Service) Short Message Service (SMS) is a point-to-point service similar to paging for sending text messages of up to 160 characters to mobile phones.
  69. SMS (Storage Management Subsystem) takes over many storage management tasks that were previously performed manually, such as such as space management, backup processing, and data set…
  70. SMS/800 Help Desk The organization that administers the SMS/800 system for the centralized management of Toll Free numbers.
  71. SMShing Exactly like Phishing, however instead of email being used, SMS (text) messages are sent to the victims cell phone, which lead them to the fake webpage.
  72. SMTP Simple Mail Transfer Protocol (computer term).
  73. SMTP (Simple Mail Transfer Protocol) The protocol widely implemented on the Internet for exchanging email messages.
  74. SMTP Authentication When the mail server requires an email address and password that matches an account in order to send mail, as opposed to requiring just an email address.
  75. SMTP connector A software component that represents a logical path between a source and a destination for the purpose of transmitting Simple Mail Transfer Protocol…
  76. SMTP mail server An e-mail server that uses the Simple Mail Transfer Protocol (SMTP). SMTP is a member of the TCP/IP suite of protocols that governs the exchange of…
  77. SMTS Space and Missile Tracking System (formerly called Brilliant Eyes).
  78. SNA Abbreviation for systems network architecture. A proprietary communications architecture.
  79. snaking A system of filing records continuously, from one row to another, in a winding format
  80. snap-in A type of tool that you can add to a console supported by Microsoft Management Console (MMC).
  81. SnapCopy A software feature that enables you to copy one volume to another through the vol copy command set. Developed by Network Appliance.
  82. SnapManager for Exchange A suite of products that provide rapid data recovery for Microsoft Exchange, back up files without interrupting e-mail service, and enable efficient…
  83. SnapMirror A product that performs automated file system replication of a volume onto the same or a separate disk or filer. Developed by Network Appliance.
  84. snapping The process of moving a feature to coincide exactly with coordinates of another feature within a specified snapping distance, or tolerance.
  85. SnapRestore A product that restores an entire volume to the state recorded in a previously taken snapshot. Developed by Network Appliance.
  86. snapshot Amazon Elastic Block Store creates snapshots or backups of your volumes and stores them in Amazon S3.
  87. Snapshot reserve The portion of a volume's disk space that is reserved for snapshots.
  88. Snapshot Technology A technology that takes point-in-time images of a file system, allowing the system to be rolled back to a specific time in case of disaster.
  89. SNC System Network Controller.
  90. SNDM Secretary of the Navy Decision Memorandum.
  91. SNDV Strategic Nuclear Delivery Vehicle.
  92. sneak current In a communications circuit, an anomalous current that presents no immediate danger, but may cause improper operation or damage.
  93. sneak current protection Application of a protective device that is intended to limit currents that are too small to operate fuse links, stub cables, or the fuse of a fused…
  94. Snell's law A law of geometric optics that defines the amount of bending that takes place when a light ray strikes a refractive boundary, e.g.
  95. SNF Strategic Nuclear Forces.
  96. SNI San Nicholas Island. Part of the PMTC.
  97. SNIA Storage Networking Industry Association. An organization dedicated to the advancement and development of standards for network storage.
  98. SNIA (Storage Networking Industry Association) "Storage Networking Industry Association" is an association ofproducers and consumers of storage networking products, whosegoal is to further storage…
  99. SNIE Special National Intelligence Element.
  100. Sniffer The name of the filter program used by the Infoseek search engine to prevent spamdexing.