ABC

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ABC

abbreviation for ACCEPTABLE BEHAVIOUR CONTRACT.
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A historical coverage analyzes different forms of early computers, applications, and their evolution beginning in the 1800s and covers all the key innovations affecting computer science today.
But these are exactly the type of early computers which will one day be the stuff of museum collections.
Turing is widely praised for cracking the German Enigma secret codes by creating early computers such as bombe that helped Allies to track and destroy the German military and naval units.
Most early computers used different motherboards for each component, but Apple 1 was the first to have all components on one CASSETTE INTERFACE Users could plug a cassette player in to the Apple 1 to store and load software on to the machine
9 Early computers from the 1950s and 1060s - huge cabinets full of wires and valves and reel-to-reel tapes.