Technology terms starting with A

1,579 terms

  1. Accuracy Department of Defense parlance for the notion that information has been maintained and transferred in such a way as to be inviolate (the information has…
  2. accuracy, absolute The accuracy of a map in representing the geographic location of an object relative to its true location on the surface of the Earth.
  3. accuracy, relative The accuracy of a map in representing the geographic location of an object relative to the locations of other objects.
  4. ACD Abbreviation for automatic call distributor.
  5. ACDA Arms Control and Disarmament Agency (US).
  6. ACDS Advanced Combat Direction System (USN term)
  7. ACDS (Active Control Data Set) a VSAM linear data set containing the SMS active source control data set (SCDS). See SCDS.
  8. ACDT Advanced Concept Technology Demonstration.
  9. ACE See definition for access control entry (ACE)
  10. ACE (access control entry) An entry in an object's discretionary access control list (DACL) that grants permissions to a user or group.
  11. ACEC area of critical environmental concern.
  12. ACEIT Automated Cost Estimating Integrated tool.
  13. ACES Automated Coastal Engineering System.
  14. ACETEF Air Combat Environment Test and Evaluation Facility (USAF).
  15. ACF (Automatic Cartridge Facility) contains 10-cartridges and functions as a low-cost tape library.
  16. achromat A usually two-element lens that is corrected to bring two specified or distinct wavelengths to a common focal point.
  17. achromatic doublet Synonym achromat.
  18. achromatic lens Synonym achromat.
  19. ACID A solution that has an excess of hydrogen ions (H+).
  20. acid-free paper In principle, papers that contain no free acid and have a pH value of 7.0 or greater. In practice, papermakers consider a paper having a pH value of 6.
  21. acid-free/alkaline-buffered paper Paper that has a reserve of an alkaline substance added for the purpose of counteracting any acid that may be introduced into the paper later Note: The…
  22. acid-neutral See acid-free paper.
  23. ACIM Availability Centered Inventory Model.
  24. ACIS 1. Arms Control Impact Statement. 2. Automated Control of Industrial Systems
  25. ACK Abbreviation for acknowledge character.
  26. acknowledge character (ACK) A transmission control character transmitted by the receiving station as an affirmative response to the sending station.
  27. acknowledgement A response sent by a receiver to indicate successful receipt of a transmission.
  28. acknowledgement delay period Synonym [loosely] sliding window.
  29. ACL See definition for access control list (ACL)
  30. ACL (access control list) A security type used by Lotus Notes developers to grant varying levels of access and user privileges within Lotus Notes databases.
  31. ACM Air Combat Maneuvering.
  32. ACMREQ Airspace Control Means Request (JFACC term).
  33. ACO (1) Administrative Contracting Officer. (1) Airspace Control Order (JFACC term)
  34. ACOM Atlantic Command.
  35. AcoS Army Chief of Staff
  36. acoustic coupler An interface device for coupling electrical signals by acoustical means--usually into and out of a telephone instrument. 2.
  37. acoustic delay line A device that introduces a delay in the propagation of an electrical signal by (a) employing a transducer to convert the signal into an acoustic wave, (b)…
  38. acoustic noise An undesired audible disturbance in the audio frequency range. 2. Any undesired acoustic wave or signal, or undesired component of a desired acoustic…
  39. acoustic wave A longitudinal wave that (a) consists of a sequence of pressure pulses or elastic displacements of the material, whether gas, liquid, or solid, in which…
  40. acoustics The branch of science and technology that is devoted to the production, transmission, control, processing, transformation, reception, and effects of…
  41. acousto-optic effect A variation of the refractive index of a material caused by interaction with acoustic energy in the form of a wave or pulse.
  42. acousto-optics The discipline devoted to the interactions between acoustic waves and light waves in a material medium.
  43. ACP Abbreviation for acyl carrier protein.
  44. ACQ Acquisition.
  45. Acquire (1) When applied to acquisition radars, to detect the presence and location of a target in sufficient detail to permit identification.
  46. acquisition If a company buys another company outright, or accumulates enough shares to take a controlling interest, the deal is described as an acquisition.
  47. Acquisition (ACQ) (1) (Sensor) The results of processing sensor measurements to produce object reports of interest to the system.
  48. acquisition and tracking orderwire See ATOW.
  49. Acquisition Categories Categories established to facilitate decentralized decision making and execution and compliance with statutorily imposed requirements.
  50. Acquisition Decision Memorandum (ADM) A memorandum signed by the milestone decision authority that documents decisions made and the exit criteria established as the result of a milestone…
  51. Acquisition Field of View (FOV) The instantaneous volume viewed by the interceptors sensor during the process of searching its assigned volume.
  52. Acquisition Life Cycle Five phases, each preceded by a milestone or other decision point, during which a system goes through research, development, test and evaluation, and…
  53. Acquisition Logistics Process of systematically identifying and assessing logistics alternatives, analyzing and resolving logistics deficiencies, and managing integrated…
  54. Acquisition Management Management of all or any of the activities within the broad spectrum of acquisition.
  55. Acquisition Plan A formal written document reflecting the specific actions necessary to execute the approach established in the approved acquisition strategy and guiding…
  56. Acquisition Planning The process by which the efforts of all personnel responsible for an acquisition are coordinated and integrated through a comprehensive plan for…
  57. Acquisition Program A directed, funded effort that is designed to provide a new or improved materiel capability in response to a validated need.
  58. Acquisition Program Baseline (APB) Acquisition program baselines embody the cost, schedule, and performance objectives for the program.
  59. Acquisition Radar Radar that searches a spatial volume and identifies potential targets from the background and non-hostile objects.
  60. Acquisition Risk The chance that some element of an acquisition program produces an unintended result with an adverse effect on system effectiveness, suitability, cost, or…
  61. Acquisition Strategy A business and technical management approach designed to achieve program objectives within the resource constraints imposed.
  62. Acquisition Strategy Report Describes the acquisition approach to include streamlining, sources, competition, and contract types throughout the period from the beginning of Phase I…
  63. Acquisition Streamlining Any effort that results in more efficient and effective use of resources to develop or produce quality systems.
  64. acquisition time In a communications system, the time interval required to attain synchronism. 2.
  65. Acquisition, Tracking and Pointing (ATP) The process of acquiring within a given field of view a target (or targets) and maintaining a precision track of the same while enabling the pointing of a…
  66. Acquisition/ Reacquisition Time The time required to establish or reestablish lock on the received signal. This includes carrier, symbol, frame, code, and crypto synchronization.
  67. ACR alkali-carbonate reaction.
  68. ACRF Advanced Computer Research Facility.
  69. ACRN Account Code Reporting Number.
  70. ACS (1) Airspace Control System. (2) Attitude Control System. (3) AEGIS Combat System. (4) Assistant Chief of Staff. 6
  71. ACS (Automated Cartridge Systems) comprise cartridge storage cells, transports, and some kind of robotic mechanism(s) to move the cartridges between the cells and either a transport or a…
  72. ACS (Automatic Class Selection) routines automatically assign an SMS-managed data set to a storage class based upon the data set's characteristics. See SMS.
  73. ACSI Assistant Chief of Staff for Intelligence.
  74. ACSIS AEGIS Combat System Interface Simulation.
  75. ACSN Advance Change/Study Notice
  76. acta (plural) a formal term for documents that are officially-certified records of actions, transactions, and proceedings, usually of a governing authority, but also…
  77. ACTD Advanced Concept Technology Demonstration.
  78. ACTE Analytical Communications Test Environment ATD.
  79. ACTEX Advanced Controls Technology Experiment.
  80. Action Case, cause, suit or controversy disputed or contested before a court.
  81. action copy That copy of a communication directed to a particular agency, office, or individual responsible for action, as opposed to an information copy.
  82. activation The process of converting a storage group copy to a production storage group. Local continuous replication (LCR) and standby continuous replication (SCR)…
  83. Activation Data Private data, other than keys, that are required to access cryptographic modules.
  84. Active (abbrev. ACTV). In solar-terrestrial terms, solar activity levels with at least one geophysical event or several larger radio events (10cm) per day (Class…
  85. Active Air Defense Direct defensive actions taken to nullify or reduce the effectiveness of hostile air action.
  86. Active Central Office Code A Central Office code assigned by the CO Code Administrator and implemented in the PSTN for specific routing and rating requirements as of the LERG…
  87. Active Communications Security Threat Threats to an electronic system posed by a capability to disrupt communications or to seize control or deny positive control of electronic systems to…
  88. Active Content Active content refers to electronic documents that are able to automatically carry out or trigger actions on a computer platform without the intervention…
  89. Active Defense (1) The employment of limited offensive action and counterattacks to deny a contested area or position to the enemy. Also Passive Defense.
  90. Active Defense (TBMD) Active defense protects against theater missiles by destroying them in flight. Engagement capability is required throughout all phases of the missiles…
  91. active device A device that requires a source of energy for its operation and has an output that is a function of present and past input signals.
  92. Active Directory The directory service for Microsoft Windows 2000 Server and Windows Server 2003.
  93. Active Directory (AD) A structure supported by Windows 2000 that lets any object on a network be tracked and located.
  94. Active Directory and Journaling Although there is no performance impact or special considerations about the impact of journaling on Active Directory®, it is important to understand how…
  95. Active Directory Application Mode (ADAM) A stand-alone directory service that is designed specifically for use with directory-enabled applications.
  96. Active Directory Application Mode (ADAM) instance For Active Directory Application Mode (ADAM), a single copy of the ADAM directory service, along with its associated directory store, assigned Lightweight…
  97. Active Directory contact An Active Directory object that contains information about an individual such as name, address, and job title. It can include a foreign e-mail address.
  98. Active Directory Domain Services The Microsoft Windows based directory service. Active Directory stores information about objects on a network and makes this information available to…
  99. Active Directory Domain Services (AD DS) The Windows-based directory service. Active Directory stores information about objects on a network and makes this information available to users and…
  100. Active Directory Domain Services Installation Wizard The tool that is used to install and remove Active Directory Domain Services (AD DS).