digital electronics important topics for freshers

 digital electronics important topics:-

1. number systems:- conversations, signed and unsigned magnitude numbers, 1's and 2's compliments

2. combination circuits:- full adder, half adder, half subtractor, full subtractor, adder, ripple carry adder, carry look ahead adder, multiplexer, demultiplexer, decoder, encoder, gray to binary, binaryto gray.

3.sequential circuits:- latches, flipflops, counter, registers like d latch, SR latch, T latch, JK flipflop, SR flipflop, T flipflop, jhonson counter, ring counter, registers like  SIPO, SISO, PIPO,PISO.

4. fsm (finite state machine):-mealy and moore machines