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  2. Snappy (compression) - Wikipedia

    en.wikipedia.org/wiki/Snappy_(compression)

    the "Compressed data", with type 0, contains a compressed Snappy stream, [2]: 4.2 the "Uncompressed data", with type 1, contains data to copy to the output verbatim. [2]: 4.3 Both types of data chunk also contain a CRC-32C checksum of the uncompressed data. Chunks of types 2-7F 16 are reserved and must result in errors. [2]: 4.5 Those of types ...

  3. Executable compression - Wikipedia

    en.wikipedia.org/wiki/Executable_compression

    Software distributors use executable compression for a variety of reasons, primarily to reduce the secondary storage requirements of their software; as executable compressors are specifically designed to compress executable code, they often achieve better compression ratio than standard data compression facilities such as gzip, zip or bzip2 [citation needed].

  4. compress (software) - Wikipedia

    en.wikipedia.org/wiki/Compress_(software)

    compress is a Unix shell compression program based on the LZW compression algorithm. [1] Compared to gzip's fastest setting, compress is slightly slower at compression, slightly faster at decompression, and has a significantly lower compression ratio. [2] 1.8 MiB of memory is used to compress the Hutter Prize data, slightly more than gzip's ...

  5. Compressed instruction set - Wikipedia

    en.wikipedia.org/wiki/Compressed_instruction_set

    In the earlier SuperH designs, SH-1 through SH-4, instructions always take up 16 bits. The resulting instruction set has real-world limitations; for instance, it can only perform two-operand math of the form A = A + B, whereas most processors of the era used the three-operand format, A = B + C. By removing one operand, four bits are removed ...

  6. Engine knocking - Wikipedia

    en.wikipedia.org/wiki/Engine_knocking

    In spark-ignition internal combustion engines, knocking (also knock, detonation, spark knock, pinging or pinking) occurs when combustion of some of the air/fuel mixture in the cylinder does not result from propagation of the flame front ignited by the spark plug, but when one or more pockets of air/fuel mixture explode outside the envelope of the normal combustion front.

  7. C-4 (explosive) - Wikipedia

    en.wikipedia.org/wiki/C-4_(explosive)

    The demolition charge M112 is a rectangular block of Composition C-4 about 2 by 1.5 inches (51 mm × 38 mm) and 11 inches (280 mm) long, weighing 1.25 lb (570 g). [1] [17] The M112 is wrapped in a sometimes olive color Mylar-film container with a pressure-sensitive adhesive tape on one surface. [18] [19]

  8. Stopping power - Wikipedia

    en.wikipedia.org/wiki/Stopping_power

    Stopping power is the ability of a weapon – typically a ranged weapon such as a firearm – to cause a target (human or animal) to be incapacitated or immobilized. Stopping power contrasts with lethality in that it pertains only to a weapon's ability to make the target cease action, regardless of whether or not death ultimately occurs.

  9. United States military nuclear incident terminology - Wikipedia

    en.wikipedia.org/wiki/United_States_military...

    United States Department of Defense directive 5230.16, Nuclear Accident and Incident Public Affairs (PA) Guidance, [1] Chairman Joint Chiefs of Staff Manual 3150.03B Joint Reporting Structure Event and Incident Reporting, and the United States Air Force Operation Reporting System, as set out in Air Force Instruction 10-206 [2] detail a number of terms for reporting nuclear incidents internally ...