001: 2610
003: Starlibrary PMS 4.5
005: 20180420
020: ^a81-219-2378-6
066: ^aR..A
072: ^aIntroduction
082: ^a621
100: ^aR. S. Sedha
240: ^aAtext book of digital electronics
245: ^aAtext book of digital electronics
260: ^c2004
650: ^a Number Systems and Codes