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IBM Unit Record Machines
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Unit record equipment
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IBM Control Panels
Plugboard: A perforated board into which plugs or pins were placed to control the operation of punch card tabulating equipment. Also known as control panels, plugboards allowed machine operators to 'program' the equipment to perform specific tasks such as addition, subtraction, and multiplication. An example of a plugboard is shown below.
IBM 026/056 Card Punch/Verifier
Unit record equipment
The IBM 402 Series of Accounting Machines
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IBM Control Panels
Plugboard: A perforated board into which plugs or pins were placed to control the operation of punch card tabulating equipment. Also known as control panels, plugboards allowed machine operators to 'program' the equipment to perform specific tasks such as addition, subtraction, and multiplication. An example of a plugboard is shown below.
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IBM 026/056 Card Punch/Verifier
IBM 083 sorter
Compared to the IBM 082 the sorting mechanics were greatly improved. The machine can sort 1000 cards per minute. Much more than 16 cards per second are not possible, due to the mechanic's inertia. This type was built since 1958.
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Sigalon |
Latest page update: made by Sigalon
, Jan 13 2008, 2:03 AM EST
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Edited by Sigalon
51 words added 2 images added view changes - complete history) |
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