1 Semi Conductors Basics: Conductors, Insulators, Semiconductors, Idea of energy, Energy Band Diagrams, Effect of temperature, Distinction between analog and digital signal, Applications and advantages of digital signals
2 Number representation: Decimal, Binary, Octal and Hexa decimal number systems- Conversion of number from one number system to another (without decimal point) -1’s , 2’s AND 9’s complement method of addition/subtraction, sign magnitude method of representation, floating point representation
BCD CODE – ASCII Codes - Parity bit – Use of a parity bit – Odd parity and Even parity
3 Logic gates: Positive and Negative logic System - Definition, Truth table, Symbol and Logical equations of AND – OR - NOT – EXOR - EXNOR (Only 2- inputs) gates – Universal gates - NAND - NOR – Symbol and truth table . Logic family classification:- Definition of SSI, MSI, LSI, VLSI, TTL and C MOS families and their sub classification
4 Boolean Algebra :Basic laws of Boolean algebra – Demorgan’s Theorem and proofs – Duality theorem - Simplification of logical equations using Boolean laws - De-Morgan’s theorem – Two and three variable Karnaugh map(upto 4 variables) and simple application in developing combinational logic circuits
5 Arithmetic Circuits: Half Adder and full adder- Truth table, Circuit diagram –
Half subtractor and Full subtractor - Truth table, Circuit diagram.
8Hrs
6 Combinational logic circuits: Parity generator and checker - Multiplexer - De multiplexer – Encoder - Decoder (Definition and Basic Circuits only) – Comparator Circuit for two bit words.
8Hrs
7 Flip flops: Basic principle of operation - S-R, D flip-flop – Operation and truth table - Race Condition – JK flip flop – T flip flop – Toggling - Edge Triggered Flip-flop – Level Triggered flip flop - Need for a Master-slave flip flop - J-K Master Slave flip flop.
8 Counters: Need- Types of counters- 4 bit Asynchronous counter-Mod N counter-Decade Counter- 4 bit Synchronous counter-Distinguish between Synchronous and Asynchronous counter-Application of counters
9Registers: Shift register - Block diagram representation and waveform of serial –in Serial out, Serial – in Parallel – out, Parallel in -parallel out Applications of ShiftRegisters.