##### Introduction to Digital System

Introduction to Analog and digital system, Features of Digital Systems, Number Systems- Decimal, Binary, Octal, Hexadecimal and their inter conversions, Binary Arithmetic. complement system and subtraction using 1's, 2's, 9's, and 10's complement method, Codes: BCD, XS-3, Gray code, hamming code, alphanumeric codes (ASCII, EBCDIC,
UNICODE), Error detecting and error correcting codes.