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003: Starlibrary PMS 4.5
005: 20180420
020: ^a0-07-099477-3
066: ^ama.d
072: ^achapter1. number systems and codes
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100: ^amalvino
240: ^adigital computer electromics: an introduction to microcomputers
245: ^a ^b an introduction to microcomputers
260: ^c1983
650: ^a electronics digital computer