Concept of digital data , Binary representation of integers, Octal, Hexadecimal and BCD Codes and their
conversions. Unit distance code, Gray code, Shaft position encoder. ASCII code
Serial transmission of binary data (1-byte), Ideal digital signals, practical digital signals: voltage levels, rise
time, duty cycle.
Concept of digital data , Binary representation of integers, Octal, Hexadecimal and BCD Codes and their
conversions. Unit distance code, Gray code, Shaft position encoder. ASCII code
Serial transmission of binary data (1-byte), Ideal digital signals, practical digital signals: voltage levels, rise
time, duty cycle.
Normal forms, minterms, maxterms. Minimization of logic expressions by algebraic method, K-map
method and Quine Mc Clauskey method. Don't care conditions.
Elementary concepts of hardware description languages (HDL)
Combinational circuits- 1-bit half adder and full adder, encoder, decoder and code-converters (BCDHex,
BCD-7segment, Hex-7segment), comparator, multiplexer, de-multiplexer, parity generator .
Clocks and timing circuits: Waveform, Scmitt trigger, monostable multi-vibrator.
Flip Flops and Clocked Flip Flops: R-S, J-K and T. D-latch and D-flipflop. Constructing other F/F's by JK,
T and D.
Ripple and Synchronous counters. Ring Counters
Registers and Shift registers, parallel load and serial load.
Memory Systems: RAM, ROM, EPROM, EEROM.
General Sequential systems. State table and state transition diagram, Moore and Mealey machines.
Sequential circuit design (Synchronous), using ROM, Algorithmic Sequential Machine, Simple application
examples like vending machines.
Design of combinational and sequential circuits using Programmable logic devices and gate arrays.
Digital Integrated Circuits, Different Logic families- TTL, ECL, MOS and CMOS, their operation and
specifications.
Signed binary number representation with 1’s and 2’s complement methods, Binary arithmetic: addition,
subtraction, multiplication. Sign-Magnitude Binary representation.
Digital to analog conversion using resistive ladder..A/nalog to Digital conversion: counter /staircase
method, Successive approximation; Accuracy and precision of converters.