MID SEM EXAM SYLLABUS DIGITAL ELECTRONICS(4TH SEM)

                            

                                                                                       SUBJECT CODE: 2140910 

1 Number Systems: Decimal, Binary, octal, and hexa-decimal number systems, binary arithmetic. Number base conversion, Complements Codes: Binary code, excess-3 code, gray code, error detection and correction codes.

 2 Logic families: Positive logic and Negative Logic, AND, OR, NOT,NAND,NOR, X-OR GATE, INHIBIT CIRCUIT, Significance and type like TTL, CMOS, interface with different logic families, application relevant information, electrical characteristics.

3 Boolean Algebra: Introduction, Logic Operators, Postulates and theorems, properties –Product of Sums and Sum of Products– Karnaugh Map method – Two, three, four, five variable K-maps, Converting Boolean expressions to Logic and Vice versa, NAND and NOR implementation – Don’t-Care conditions – The tabulation method

4 Combinational Logic Circuit:  Half and full Adder – Half and full Subtracter – Binary parallel adder· – BCD Adder, Decimal adder – Magnitude comparator – Encoders & Decoders – Multiplexers–De-multiplexer

 5 Flip Flops and Sequential Logic and Circuits:  Basic difference between Combinational logic and Sequential logic –· Flip-Flops like S-R , J-K, D, Triggering of (level and Edge) flip flop.

Note:  Refer last 5 GTU question papers.

Prof. D.R.Dobariya/ Prof. P.K.Shah