List of the good students of Electronic and Computer Engineering.

Brilliant students

of

Computer Engineering

and

Electronic and Communication Engineering

1.   2004 2362 4444

2.   2004 2362 4474

3.   2004 2361 3193

4.   2004 2361 3190

5.   2004 2361 3194

6.   2004 2361 3199

7.   2004 2361 3201

8.   2004 2361 3233

DIGITAL ELECTRONICS

1.     Introduction (02 hrs) Distinction between analog and digital signal. Applications and advantages of digital signals.

2.     Number System(04 hrs) Binary and hexadecimal number system: conversion from decimal and hexadecimal to binary and vice-versa BCD representation. Binary addition, subtraction, multiplication and division including binary points.  BCD addition. 1’s and 2’s complement method of addition/subtraction

3.     Logic Gates(04 hrs) Concept of negative and positive logic Definition, symbols and truth tables of NOT, AND, OR, NAND, NOR, EXOR Gates, NAND and NOR as universal gates

4.     Logic Simplification(06 hrs) Postulates of Boolean algebra, DE Morgan’s Theorems.  Various identities.  Formulation of truth table and boolean equation for simple problem.  Implementation of Boolean (logic) equation with gates Karnaugh map (up to 4 variables) and simple application in developing combinational logic circuits

5.     Logic Families(06 hrs) Logic family classification: - Definition of SSI, MSI, LSI, VLSI TTL and MOS families and their sub classification- Characteristics of TTL and MOS digital gates. Delay, speed, noise margin, logic levels, power dissipation, fan-in, power supply requirement and comparison between TTL and MOS families Logic Circuits Open collector, wired OR and totem pole output circuit operation (qualitative) for a TTL NAND gate MOS circuit operation for a standard gate (NOR) Tri-state Switch/Buffer.

6.     Codes and Parity(04 hrs) Concept of code, weighted and non-weighted codes, examples of 8421, BCD, excess-3 and Gray code. Concept of parity, single and double parity and error detection Alpha numeric codes: ASCII and EBCDIC.

7.     Arithmetic circuits(04 hrs) Half adder and Full adder circuit, design and implementation Half and Full subtracter circuit, design and implementation 4 bit adder/subtracter.

8.     Decoders, Display Devices and Associated Circuits(04 hrs) LED, LCD, seven segment display, basic operation of various commonly used types Four bit decoder circuits for 7 segment display and decoder/driver Ics.

9.     Multiplexers and De-Multiplexers (02 hrs) Basic functions and block diagram of MUX and DEMUX.  Different types.

10.Latches and flip flops (06 hrs) Concept and types of latch with their working and applications Operation using waveforms and truth tables of RS, T, D, JK, Master/Slave JK flip flops. Difference between a latch and a flip flop.

11.Counters    (06 hrs) Binary counters Divide by N ripple counters (including design), Decade counter Pre settable and programmable counters d) Down counter, up/down counter) Synchronous counters (only introduction) Difference between Asynchronous and Synchronous counters Ring counter with timing diagram.

12.Shift Register (06 hrs) Introduction and basic concepts including shift left and shift right Serial in parallel out, serial in serial out, parallel in serial out, parallel in parallel out Universal shift register Buffer register, Tri-state Buffer register.

13.Memories (04 hrs) Basic RAM cell, N × M bit RAM, Expansion of word length and capacity, static and dynamic RAM, basic idea of ROM, PROM, EPROM and EEPROM.

14.   A/D and D/A Converters (06 hrs) General principle of A/D and D/A conversion and brief idea of their applications.  Binary resister network and resistor ladder network methods of D/A conversion.  Dual slope and successive approximation types of ADCs.