Technology terms starting with I

1,054 terms

  1. IRG Independent Review Group.
  2. IRIA Infrared Information Analysis Center.
  3. IRIG Inter-Range Instrumentation Group.
  4. IRINT Infrared Intelligence.
  5. IRIS (I-ris) The colored tissue at the front of the eye that contains the pupil in the center.
  6. Iris Recognition A biometric modality that uses an image of the physical structure of an individual's iris for recognition purposes, as illustrated below.
  7. IrisCode© A biometric feature format used in the Daugman iris recognition system.
  8. IRLA Item Repair Level Analysis ILS term).
  9. IRM Information Resources Management.
  10. IRMAC Information Resource Management Advisory Committee. 146
  11. IRMC Information Resource Management College.
  12. IRR Internal Requirements Review.
  13. Irradiance The direct, diffuse, and reflected solar radiation that strikes a surface.
  14. irradiation (ih-RAY-dee-AY-shun) The use of high-energy radiation from x-rays, gamma rays, neutrons, protons, and other sources to kill cancer cells and shrink tumors.
  15. IRRAS Integrated Reliability and Risk Analysis System.
  16. irreversible encryption Encryption that produces ciphertext from which the original data cannot be reproduced. Note: Irreversible encryption is useful in authentication.
  17. IRRS Information Resources Requirements Study.
  18. IRS Interface Requirements Review.
  19. IRSS Infrared Sensor System (EAGLE).
  20. IRST Infrared Search and Track.
  21. IRTF Internet Research Task Force.
  22. IS Information System.
  23. IS (information systems) infrastructure, processes, and technologies used to store, generate, manipulate, and transmit information to support an organization Also referred to as…
  24. IS&T (1) Invite, Show and Test. (2) Innovative Science and Technology.
  25. is-a A relationship between two objects in which one object is considered to be a more specific version of the other, generic object: "A camel is a mammal.
  26. is-a relationship See inheritance.
  27. ISA Industry Standard Architecture.
  28. ISAPI Internet Server Application Programming Interface. A Web server application-development interface, developed by Process Software and Microsoft, that can…
  29. ISAR Inverse Synthetic Aperture Radar.
  30. ISAS Institute of Space and Astronautical Science (Japan).
  31. ISB Abbreviation for independent sideband. See independent-sideband transmission.
  32. ISC (1) Information Systems Command. (2) Irvine Sensors Corporation.
  33. iSCSI (Internet SCSI) Small Computer System Interface protocol over an IP network.Unlike other network storage protocols, such as Fibre Channelwhich is the foundation of most…
  34. iSCSI Initiator A hardware or software client-side protocol that opens the communication with an iSCSI target server in an IP SAN.
  35. iSCSI Target The storage server that receives commands from the iSCSI intiator.
  36. ISDN Integrated Services Digital Network.
  37. ISDN user part (ISUP) The functional part of the Signaling System No. 7 (SS7) protocol, i.e., the part that specifies the interexchange signaling procedures for the set up and…
  38. ISE (1) Integrated SATKA Experiments. (2) Integrated Space Experiment.
  39. ISE&I Israeli System Engineering and Integration.
  40. ISG Industry Support Group.
  41. ISM (1) Industrial Security Manual. (2) Integrated Structure Model.
  42. ISMAP A Web page feature in which hyperlinks are assigned or "mapped" to different portions of a graphic image.
  43. ISMF (Interactive Storage Management Facility) the interactive interface of DFSMS/MVS that allows users and storage administrators access to storage management functions.
  44. ISMG International Simulation & Modeling Group.
  45. ISMO Information Security Management Office.
  46. ISO International Standards Organization.
  47. ISO (International Organization for Standardization) A non-governmental network of the national standards institutes from 151 countries.
  48. ISO 3166 The international standard for country codes maintained by the International Organization for Standardization (ISO).
  49. ISO 8211 The third of three parts of the SDTS (see SDTS) that specifies data transfer implementation (i.e., encoding method).
  50. ISO 9000 Established in 1987, ISO 9000 is an international set of five related standards for qualification of global quality assurance and quality control…
  51. ISO 9660 Volume and file structure of CD-ROM for Information Interchange. A standard for the organization of data on CD-ROM media established by the International…
  52. ISOC Abbreviation for Internet Society. A nongovernmental, international organization for global cooperation and coordination for The Internet and its…
  53. Isochrone A line on a chart connecting equal times of occurrence of an event. In a weather analysis, a sequence plotted on a map of the frontal positions at several…
  54. isochronous 1. Of a periodic signal, pertaining to transmission in which the time interval separating any two corresponding transitions is equal to the unit interval…
  55. isochronous burst transmission In a data network where the information-bearer channel rate is higher than the input data signaling rate, transmission performed by interrupting, at…
  56. isochronous demodulation Demodulation in which the time interval separating any two significant instants is equal to the unit interval or a multiple of the unit interval.
  57. isochronous distortion The difference between the measured modulation rate and the theoretical modulation rate in a digital system.
  58. isochronous modulation Modulation in which the time interval separating any two significant instants is equal to the unit interval or a multiple of the unit interval.
  59. isochronous signal A signal in which the time interval separating any two significant instants is equal to the unit interval or a multiple of the unit interval.
  60. isolate To restrict communication in both directions with a participant of the conference. [T1.647-1995]
  61. Isolated A National Weather Service convective precipitation descriptor for a 10 percent chance of measurable precipitation (0.01 inch).
  62. isolated bonding network Synonym isolated ground plane.
  63. isolated ground plane A set of interconnected frames that is intentionally grounded via only one connection to a ground reference; this plane, taken as a conductive unit with…
  64. isolated NRZ pulse A single bit period of logical value "1" with adjacent bit periods of logical value "0". [T1.106-1988]
  65. isolated pulse A pulse free from the effects of the other pulses in the same signal. (A suitable testing signal is a repetitive pattern of one "one" and seven "zeros".
  66. isolated RZ pulse Any bit period of logical value "1." [T1.106-1988]
  67. isolator See optical isolator.
  68. isoline A line on a surface connecting points of equal value.
  69. ISOO Information Security Oversight Office.
  70. Isotropic the property of being independent of direction. Isotropic radiation has the same intensity regardless of the direction of measurement.
  71. isotropic antenna A hypothetical antenna that radiates or receives equally in all directions. Note: Isotropic antennas do not exist physically but represent convenient…
  72. isotropic gain Synonym absolute gain.
  73. Isotropic Nuclear Weapon A nuclear explosive, which radiates x-rays and other forms of radiation with approximately equal intensity in all directions.
  74. ISP (Internet Service Provider). A business that delivers access to the Internet.
  75. ISP (Internet Service Provider) A business that delivers access to the Internet.
  76. ISR International Search Report (Form PCT/ISA/210), produced by an International Searching Authority, is a report listing citations of published documents…
  77. ISS (1) Information System Security. (2) Infrared Surveillance System.
  78. ISSA Information System Security Association.
  79. ISSAA Information Systems and Software Acquisition Agency.
  80. ISSC Information Systems Security Committee.
  81. ISSM Information System Security Manager.
  82. ISSO Information System Security Officer.
  83. ISSSTA International Symposium on Spread Spectrum Techniques and Applications.
  84. ISSTA International Symposium on Spread Spectrum Techniques and Applications.
  85. Issue Cycle A process followed during OSD review of the POM. It begins in early June and extends into July.
  86. Issue Papers OSD documents defining issues raised during review of the POM.
  87. issuer Issuer means any person who issues or proposes to issue any security. Corporations, for example, may issue stock to the public, limited partnerships may…
  88. IST (1) Innovative Science and Technology. (2) Integrated System Test.
  89. ISTC Integrated System Test Capability.
  90. ISTEF Innovative Science and Technology Experiment Facility.
  91. ISTF Installed System Test Facility.
  92. ISV Interceptor Sensor Vehicle.
  93. ISV (Independent Software Vendor) An Independent Software Vendor is an enterprise offering software solutions.
  94. ISWG Integration Support Working Group.
  95. IT information technology
  96. IT (information technology) See information systems (IS).
  97. IT Security Architecture A description of security principles and an overall approach for complying with the principles that drive the system design; i.e.
  98. IT Security Awareness The purpose of awareness presentations is simply to focus attention on security.
  99. IT Security Awareness and Training Program Explains proper rules of behavior for the use of agency IT systems and information.
  100. IT Security Education IT Security Education seeks to integrate all of the security skills and competencies of the various functional specialties into a common body of…