Unit I Number System and Binary Code:
Introduction, Binary, Octal and Hexadecimal Number System
(Conversion, Addition & Subtractions). Signed and unsigned numbers, Binary Subtractions using 1's and 2's
compliment, ASCII code, Excess 3 code, Grey code, BCD code and BCD additions.
Unit II Minimization of logic function:
OR, AND,NOT,NOR,NAND,EX-OR, EX-NOR, Basic theorem of
Boolean Algebra, Sum of Products and Product of Sums, canonical form, Minimization using K-map and Q-M
method.
Unit III Combinational Circuits:
Introduction, Combinational circuit design, Encoders, decoders, Adders, Sub
tractors and Code converters. Parity checker, seven segment display, Magnitude comparators.
Multiplexers, De-multiplexer, Implementation of Combinational circuit using MUX.
Unit IV Sequential Circuits: Introduction, flip flops, Clocked flip flops, SR, JK, D, T and edge triggered flipflops.
Excitation tables of Flip flops. Shift Registers, Type of Shift Registers, Counter, Counter types, counter design with
state equation and state diagrams.
Unit V D/A and A/D Converters:
Introduction, Weighted register D/A converter, binary ladder D/A
converter, steady state accuracy test, D/A accuracy and resolution, parallel A/D converter, Counter type A/D
converter Successive approximation A/D converter. Single and dual slope A/D converter, A/D accuracy and
resolution.
Unit VI Semiconductor Memories:
Introduction, Memory organisation, Classification and characteristics of
memories, Sequential memories, ROMs, R/W memories. Content addressable memories. PLA and PAL.
Unit VII Logic Families: RTL, DCTL, DTL, TTL, ECL, CMOS and its various types, Comparison of logic
families.