Technology terms starting with A

1,579 terms

  1. Active Directory Federation Services A component that provides Web single-sign-on (SSO) technologies. AD FS provides SSO by securely sharing digital identity and entitlement rights across…
  2. Active Directory Lightweight Directory Services A stand-alone directory service that is designed specifically for use with directory-enabled applications.
  3. Active Directory Lightweight Directory Services instance A single copy of the ADLDS directory service that includes its associated directory store and its application event log.
  4. Active Directory Service Interfaces A directory service model and a set of Component Object Model (COM) interfaces.
  5. Active Directory Service Interfaces (ADSI) A client-side product based on the Component Object Model (COM). ADSI defines a directory service model and a set of COM interfaces that enable Windows NT…
  6. Active Directory Users and Computers An administrative tool used by administrators to perform day-to-day Active Directory administrative tasks.
  7. active file system A file system in use, excluding its snapshots.
  8. Active Homing Guidance Guidance system in which both the source for illuminating the target, and the receiver for detecting the illuminating energy reflected from the target is…
  9. active key state A condition of readiness for a key to be used to secure information from the originator, and to process received secure information. [After X9.17]
  10. active laser medium Within a laser, the material that emits coherent radiation or exhibits gain as the result of electronic or molecular transitions to a lower energy state…
  11. Active Messaging Protection A process by which antivirus and anti-spam agents and filters are applied to e-mail messages for the purpose of stopping unsolicited or malicious e-mails…
  12. Active Negation Provides better noise immunity on a SCSI bus.
  13. active partition A partition from which a computer starts up. The active partition must be a primary partition on a basic disk.
  14. active record A record needed to perform current operations, subject to frequent use, and usually located near the user Also referred to as current record.
  15. Active Records Active Records are those Records related to current, ongoing or in-process activities and are referred to on a regular basis to respond to day-to-day…
  16. active satellite A satellite carrying a station intended to transmit or retransmit radio communication signals.
  17. Active Sensor One that illuminates a target, producing return secondary radiation, which is then detected to track and/or identify the target. An example is radar.
  18. Active Server Page (ASP) A Web server scripting language developed by Microsoft for its Internet Information Server.
  19. Active Server Pages (ASP pages) Technology that allows Web developers to combine scripts and HTML code to create dynamic Web content and Web-based applications.
  20. Active Server Pages for .NET (ASP.NET pages) A set of .NET classes used to create Web-based, client-side (Web Form) and server-side (Web Service) applications. ASP.
  21. active signaling link A signaling link that has successfully completed the initial alignment procedures and carries (or is ready to carry) signaling traffic. [T1.226-1992]
  22. active star See star coupler, multiport repeater.
  23. Active Termination An active terminator uses one or more voltage regulators to produce the termination voltage, rather than using resister voltage dividers.
  24. active threat 1. Any threat of a deliberate unauthorized change to the state of a data processing system.
  25. active video frame identification The process of comparing each output video frame with its preceding frame(s) in sequence and quantifying the extent of correspondence between each pair…
  26. active volume The volume from which the computer starts up. The active volume must be a simple volume on a dynamic disk.
  27. activity The number of transformations that take place each second in a given amount of radioactive material.
  28. activity factor For a communications channel during a specified time interval, such as the busy hour, the percentage of time that a signal is present in the channel in…
  29. activity logging A process used to collect information about the activity in an enterprise.
  30. actor See client.
  31. ACTS Action Correspondence Tracking System.
  32. actual argument The value of an argument passed to a method from outside the method. When a method is called, the actual argument values are copied into the corresponding…
  33. actual arguments The scalar values that you supply to a "function" or "subroutine" when you call it.
  34. actual parameter See actual argument.
  35. actual parameter list The arguments specified in a particular method call. See also formal parameter list.
  36. ACU Abbreviation for automatic calling unit.
  37. ACUS Army Common User System.
  38. ACVC Ada Compiler Validation Capability
  39. ACW Anti-Carrier Warfare
  40. ACWP Actual Cost of Work Performed.
  41. Acyclic Digraph Directed Acyclic Graph
  42. AD (1) Air Defense. (2) Active Defense. (3) Aerospace Defense 7
  43. ad clicks Synonym click-through.
  44. AD DS The Microsoft Windows based directory service. Active Directory stores information about objects on a network and makes this information available to…
  45. AD FS A component that provides Web single-sign-on (SSO) technologies. AD FS provides SSO by securely sharing digital identity and entitlement rights across…
  46. AD FS Web Agent An installable role service of AD FS that is used to create an AD FS-enabled Web server.
  47. AD FS-enabled Web server A Web server that is configured with the appropriate AD FS Web Agent software—either the claims-aware agent or the Windows token–based…
  48. Ad Int Advanced Interceptor (MDA/POC term).
  49. AD LDS A lightweight directory service that is designed specifically for use with directory-enabled applications.
  50. AD LDS instance A single copy of the ADLDS directory service that includes its associated directory store and its application event log.
  51. AD TOC Air Defense Tactical Operations Center.
  52. AD/AM A special directory service that is an add-on to WS03 and that is designed to run as a pure lightweight application protocol (LDAP) directory.
  53. AD/C 3 I Air Defense/Command, Control, Communications and Intelligence.
  54. AD/C3I Air Defense/Command, Control, Communications and Intelligence.
  55. Ada Name of a higher order computer programming code.
  56. Ada® The official, high-level computer language of DOD for embedded-computer, real-time applications as defined in MIL-STD-1815.
  57. ADAM See definition for: Active Directory Application Mode (ADAM)
  58. ADAM (Active Directory Application Mode) A stand-alone directory service that is designed specifically for use with directory-enabled applications.
  59. ADAM instance See definition for: Active Directory Application Mode (ADAM) instance
  60. AdaMAT Ada Automated, static code, analysis tool.
  61. ADAMSync An ADAM administration tool that synchronizes objects from Active Directory to an Active Directory Application Mode instance.
  62. ADAPT Advanced DEW Active Precision Tracker.
  63. adapter An expansion card.
  64. Adaptive Algorithm An algorithm that can "learn" and change its behavior by comparing the results of its actions with the goals that it is designed to achieve.
  65. adaptive channel allocation In communications system traffic flow control, channel allocation in which information-handling capacities of channels are not predetermined but are…
  66. adaptive communications Any communications system, or portion thereof, that automatically uses feedback information obtained from the system itself or from the signals carried by…
  67. adaptive compression In computer science, a software-oriented compression process based on continuous analysis of the data stream, and depending on the type and content of the…
  68. Adaptive Defense (Also Adaptive Preferential Defense) Adaptive defense is defense that is responsive to an actual attack in that it takes advantage of the structure or…
  69. adaptive differential pulse-code modulation (ADPCM) Differential pulse-code modulation in which the prediction algorithm is adjusted in accordance with specific characteristics of the input signal.
  70. Adaptive Enterprise A marketing term used extensively by HP. An adaptive enterprise matches supply and demand of IT resources in real time, so the business can quickly manage…
  71. adaptive equalization Equalization (a) that is automatically accomplished while traffic is being transmitted and (b) in which signal characteristics are dynamically adjusted to…
  72. Adaptive Flexible Defense (AFD) The ability to select and prioritize in near-real time what critical civilian and military assets and functions to defend and to efficiently employ…
  73. Adaptive Optics (ADOPT) Optical systems, which can be modified (e.g., by controlling the shape of a mirror) to compensate for distortions.
  74. adaptive prediction In ADPCM coding, a time-varying process that computes an estimate of the input signal from the quantized difference signal. [T1.310-1991]
  75. adaptive predictive coding (APC) Narrowband analog-to-digital conversion that uses a one-level or multilevel sampling system in which the value of the signal at each sampling instant is…
  76. Adaptive Preferential Defense Adaptive Defense.
  77. adaptive quantization In ADPCM (adaptive differential pulse code modulation) coding, a process in which the quantizer step size varies as a function of the quantized input…
  78. adaptive radio A radio that (a) monitors its own performance, (b) monitors the path quality through sounding or polling, (c) varies operating characteristics, such as…
  79. adaptive routing Routing that is automatically adjusted to compensate for network changes such as traffic patterns, channel availability, or equipment failures.
  80. adaptive system A system that has a means of monitoring its own performance, a means of varying its own parameters, and uses closed-loop action to improve its performance…
  81. ADATOC Air Defense Artillery Tactical Operations Center (US Army brigade).
  82. ADC Analog to Digital converter. Converts analog data to a digital format.
  83. ADC (Active Directory Connector) The service that replicates information between the Exchange Server 5.5 directory and Active Directory.
  84. ADCATT Air Defense CATT (US Army term).
  85. ADCC Air Defense Control Center.
  86. ADCCP Abbreviation for Advanced Data Communication Control Procedures.
  87. AdCenter Microsoft's cost per click ad network. While it has a few cool features (including dayparting and demographic based bidding) it is still quite nascent in…
  88. ADCOM OBSOLETE. (U.S.) Aerospace Defense Command, Peterson AFB, CO.
  89. ADCP (1) Air Defense Communications Platform. (2) Air Defense Command Post.
  90. Add An extra monster has joined an existing battle.
  91. add mode In addition and subtraction operations, a mode in which the decimal marker is placed at a predetermined location with respect to the last digit entered.
  92. add-on conference A service feature that allows an additional party to be added to an established call without attendant assistance.
  93. add/drop multiplexing A multiplexing function offered in connection with SONET that allows lower level signals to be added or dropped from a high-speed optical carrier channel…
  94. ADDA Air Defense Decision Aid.
  95. added bit A bit delivered to the intended destination user in addition to intended user information bits and delivered overhead bits. Synonym extra bit.
  96. added block Any block, or other delimited bit group, delivered to the intended destination user in addition to intended user information bits and delivered overhead…
  97. adder A device whose output data are a representation of the sum of the numbers represented by its input data.
  98. adder-subtracter A device that acts as an adder or subtracter depending upon the control signal received; the adder-subtracter may be constructed so as to yield a sum and…
  99. additive white gaussian noise (AWGN) Synonym white noise.
  100. address Addresses using a number of different protocols are commonly used on the Internet.