# Digital Electronics (2140910)

Syllabus

Sr. Topics Teaching Hours Module Weightage
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.

7
20 %
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

4
8 %
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

10
20 %
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

6
14 %
5
Flip Flops and Sequential Logic and Circuits:
• Basic difference between Combinational logic and Sequential logic – Flip-Flops like S-R , J-K, D, Master Slave– Triggering of (level and Edge) flip-flops –Asynchronous and Synchronous Inputs –Excitation tables for flip-flops
• Ripple and Synchronous counters – Registers – Shift registers –Pulse Generation.

7
15 %
6
Memory:
• Role of Memory in Computer Systems– Types and Terminology– Organization and operation, Reading & Writing, RAMs, ROMs, PROMs – Semiconductor RAM, Flash Memory
4
8 %
7
D/A and A/D Converters:

Digital to Analog Converters D/A converter Specifications, Types of D/A converters, Mode of Operation, BCD-Input D/A converter, Integrated Circuit D/A Converters, D/A converter Applications, A/D converters, A/D Converter Specifications, A/D Converter Technology, Types of A/D converters, Integrated Circuit A/D Converters, A/D converter Applications

7
15 %