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  2. Police code - Wikipedia

    en.wikipedia.org/wiki/Police_code

    A police code is a brevity code, usually numerical or alphanumerical, used to transmit information between law enforcement over police radio systems in the United States. Examples of police codes include "10 codes" (such as 10-4 for "okay" or "acknowledged"—sometimes written X4 or X-4), signals, incident codes, response codes, or other status ...

  3. List of TRS-80 games - Wikipedia

    en.wikipedia.org/wiki/List_of_TRS-80_games

    Dungeon Explorer. 1980. Software Exchange. "single player game of adventure and combat based on Dungeons and Dragons " [23] Eliminator. 1981. Adventure International. Defender clone.

  4. RadioShack - Wikipedia

    en.wikipedia.org/wiki/RadioShack

    radioshack.com. RadioShack (formerly written as Radio Shack) is an American electronics retailer which was established in 1921 as an amateur radio mail-order business. Its parent company, Radio Shack Corporation, was purchased by Tandy Corporation in 1962, shifting its focus from radio equipment to hobbyist electronic components.

  5. Ten-code - Wikipedia

    en.wikipedia.org/wiki/Ten-code

    Ten-codes, officially known as ten signals, are brevity codes used to represent common phrases in voice communication, particularly by US public safety officials and in citizens band (CB) radio transmissions. The police version of ten-codes is officially known as the APCO Project 14 Aural Brevity Code.[1] The codes, developed during 1937–1940 and expanded in 1974 by the Association of Public ...

  6. Tandy Video Information System - Wikipedia

    en.wikipedia.org/wiki/Tandy_Video_Information_System

    The Tandy Memorex Video Information System (VIS) is an interactive, multimedia CD-ROM player produced by the Tandy Corporation starting in 1992. It is similar in function to the Philips CD-i and Commodore CDTV systems (particularly the CDTV, since both the VIS and CDTV were adaptations of existing computer platforms and operating systems to the set-top-box design). The VIS systems were sold ...

  7. TRS-80 Model 4 - Wikipedia

    en.wikipedia.org/wiki/TRS-80_Model_4

    The TRS-80 Model 4 is the last Z80-based home computer family by Radio Shack, sold from April 1983 through late 1991.

  8. David Edmondson - Wikipedia

    en.wikipedia.org/wiki/David_Edmondson

    David J. Edmondson (born June 10, 1959) is an American businessman, known for his career at RadioShack and his termination as CEO for falsifying his educational background.

  9. The Radio Hacker's Codebook - Wikipedia

    en.wikipedia.org/wiki/The_Radio_Hacker's_Codebook

    The Radio Hacker's Codebook is a book for computer enthusiasts written by George Sassoon. The book explains how to receive international radioteletype signals, convert them with a circuit and then decode them on a microcomputer.