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  2. Fortuna (PRNG) - Wikipedia

    en.wikipedia.org/wiki/Fortuna_(PRNG)

    With a 128-bit block cipher, this would produce statistically identifiable deviations from randomness; for instance, generating 2 64 genuinely random 128-bit blocks would produce on average about one pair of identical blocks, but there are no repeated blocks at all among the first 2 128 produced by a 128-bit cipher in counter mode.

  3. Flip-flop (electronics) - Wikipedia

    en.wikipedia.org/wiki/Flip-flop_(electronics)

    Specifically, the combination J = 1, K = 0 is a command to set the flip-flop; the combination J = 0, K = 1 is a command to reset the flip-flop; and the combination J = K = 1 is a command to toggle the flip-flop, i.e., change its output to the logical complement of its current value. Setting J = K = 0 maintains the current state.

  4. Hawkins Electrical Guide - Wikipedia

    en.wikipedia.org/wiki/Hawkins_Electrical_Guide

    The book is notable for the extremely high number of detailed illustrations it contains, and the small softbound size of the volumes. The book was published by Theodore Audel & Company, and the majority of the illustrative content became the basis of decades of follow-up books published under the Audels brand name.

  5. Chapter Two - Wikipedia

    en.wikipedia.org/wiki/Chapter_Two

    "Chapter 2" "Chapter 2" (Star Wars: Clone Wars), an episode of Star Wars: Clone Wars "Chapter 2" "Chapter 2: The Child", an episode of The Mandalorian "Chapter 2: The Silver Doe, an episode of A Murder at the End of the World "Chapter 2: The Tribes of Tatooine", an episode of The Book of Boba Fett "Chapter Two" (Boston Public)

  6. NSA encryption systems - Wikipedia

    en.wikipedia.org/wiki/NSA_encryption_systems

    HY-2 a vocoder for long haul circuits designed to work with the KG-13 key generator. Secure Terminal Equipment (STE) — This system is intended to replace STU-III. It uses wide-bandwidth voice transmitted over ISDN lines. There is also a version which will communicate over a PSTN (Public Switched Telephone Network) line.

  7. Yacc - Wikipedia

    en.wikipedia.org/wiki/Yacc

    Yacc (Yet Another Compiler-Compiler) is a computer program for the Unix operating system developed by Stephen C. Johnson.It is a lookahead left-to-right rightmost derivation (LALR) parser generator, generating a LALR parser (the part of a compiler that tries to make syntactic sense of the source code) based on a formal grammar, written in a notation similar to Backus–Naur form (BNF). [1]

  8. RC-5 - Wikipedia

    en.wikipedia.org/wiki/RC-5

    The command data is a Manchester-coded bitstream modulating a 36 kHz carrier. (Often the carrier used is 38 kHz or 40 kHz, apparently due to misinformation about the actual protocol.) [ clarification needed ] The IR signal from the transmitter is detected by a specialized IC with an integral photo-diode, and is amplified, filtered, and ...

  9. ADFGVX cipher - Wikipedia

    en.wikipedia.org/wiki/ADFGVX_cipher

    Invented by the Germans signal corps officers Lieutenant Fritz Nebel (1891–1977) [1] [2] and introduced in March 1918 with the designation "Secret Cipher of the Radio Operators 1918" (Geheimschrift der Funker 1918, in short GedeFu 18), the cipher was a fractionating transposition cipher which combined a modified Polybius square with a single ...