Transistor as a switching element; Boolean algebra, simplification of Boolean functions, Karnaguh map and applications; IC Logic gates and their characteristics.

IC logic families : DTL. TTL, ECL, NMOS, PMOS and CMOS gates and their comparison; Combinational logic Circuits; Half adder, Full adder; Digital comparator; Multiplexer Demultiplexer; ROM and their applications. Flip flops. R-S, J-K, D and Tflip-flops; Different types of counters and registers Waveform generators. A/D and D/ A converters. Semiconductor memories.