The book contains Review of Number Systems, Number Base Conversion. Postulates and Theorems, Representation of Switching Functions, SOP and POS Forms, Canonical Forms, Digital Logic Gate. Karnaugh Maps: Minimization using Three variable, Four variable, Five variable K-Maps; Don't Care Conditions, NAND and NOR implementation, Other Two-level Implementation, Exclusive¿OR function. Combinational versus Sequential circuits, Latches, Flip Flops: RS Flip Flop, JK Flip Flop, T Flip Flop, D Flip Flop, Master-Slave Flip Flop, Flip Flops Excitation Functions, Conversion of one Flip Flop to another Flip Flop, Shift Registers, Design of Asynchronous and Synchronous Circuits, State Table, State Diagram.