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  2. List of computing and IT abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_computing_and_IT...

    HCI—Human—Computer Interaction; HD—High Density; HDD—Hard Disk Drive; HCL—Hardware Compatibility List; HD DVD—High Definition DVD; HDL—Hardware Description Language; HDMI—High-Definition Multimedia Interface; HECI—Host Embedded Controller Interface; HF—High Frequency; HFS—Hierarchical File System; HHD—Hybrid Hard Drive

  3. Joint Precision Airdrop System - Wikipedia

    en.wikipedia.org/wiki/Joint_Precision_Airdrop_System

    The Joint Precision Airdrop System (JPADS) is an American military airdrop system which uses the Global Positioning System (GPS), steerable parachutes, and an onboard computer to steer loads to a designated point of impact (PI) on a drop zone (DZ). The JPADS family of systems consists of several precision airdrop systems, ranging from extra ...

  4. Glossary of computer science - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_computer_science

    Also simply application or app. Computer software designed to perform a group of coordinated functions, tasks, or activities for the benefit of the user. Common examples of applications include word processors, spreadsheets, accounting applications, web browsers, media players, aeronautical flight simulators, console games, and photo editors. This contrasts with system software, which is ...

  5. Shell (computing) - Wikipedia

    en.wikipedia.org/wiki/Shell_(computing)

    In computing, a shell is a computer program that exposes an operating system's services to a human user or other programs. In general, operating system shells use either a command-line interface (CLI) or graphical user interface (GUI), depending on a computer's role and particular operation. It is named a shell because it is the outermost layer ...

  6. Constantly computed impact point - Wikipedia

    en.wikipedia.org/wiki/Constantly_computed_impact...

    A Constantly Computed Impact Point (CCIP) is a calculation provided by a weapon's sighting system. It is a predicted point of impact found from the launch platform's movement, the target's movement, gravity, projectile launch velocity, projectile drag, and other factors that can be entered.

  7. Toss bombing - Wikipedia

    en.wikipedia.org/wiki/Toss_bombing

    “Over-the-shoulder” delivery. Toss bombing (sometimes known as loft bombing, and by the U.S. Air Force as the Low Altitude Bombing System, or LABS) is a method of bombing where the attacking aircraft pulls upward when releasing its bomb load, giving the bomb additional time of flight by starting its ballistic path with an upward vector.

  8. Halt and Catch Fire (computing) - Wikipedia

    en.wikipedia.org/wiki/Halt_and_Catch_Fire...

    The Motorola 6800 microprocessor was the first for which an undocumented assembly mnemonic HCF became widely known. The operation codes (opcodes—the portions of the machine language instructions that specify an operation to be performed) hexadecimal 9D and DD were reported and given the unofficial mnemonic HCF in a December 1977 article by Gerry Wheeler in BYTE magazine on undocumented ...

  9. External ballistics - Wikipedia

    en.wikipedia.org/wiki/External_ballistics

    In small arms external ballistics applications, gravity imparts a downward acceleration on the projectile, causing it to drop from the line-of-sight. Drag, or the air resistance, decelerates the projectile with a force proportional to the square of the velocity. Wind makes the projectile deviate from its trajectory.