PART-A
1. Number Systems: Binary, Octal, Decimal, Hexadecimal. Number base conversions, 1’s, 2’s, rth’s
complements, signed Binary numbers. Binary Arithmetic, Binary codes: Weighted BCD, Gray code, Excess 3
code, ASCII - conversion from one code to another. [5]
2. Boolean Algebra : Boolean postulates and laws - De-Morgan’s Theorem, Principle of Duality, Boolean
expression - Boolean function, Minimization of Boolean expressions - Sum of Products (SOP), Product of
Sums (POS), Minterm, Maxterm, Canonical forms, Conversion between canonical forms, Karnaugh map
Minimization, Quine-McCluskey method - Don’t care conditions. [5]
3. Logic GATES: AND, OR, NOT, NAND, NOR, Exclusive-OR and Exclusive-NOR. Implementations of
Logic Functions using gates, NAND-NOR implementations. Study of logic families like RTL, DTL, DCTL,
TTL, MOS, CMOS, ECL and their characteristics. [5]
4. Combinational Circuits: Design procedure - Adders, Subtractors, Serial adder/Subtractor, Parallel adder/
Subtractor Carry look ahead adder, BCD adder, Magnitude Comparator, Multiplexer/Demultiplexer,
encoder/decoder, parity checker, code converters. Implementation of combinational logic using MUX.
[6]
PART-B
5. Sequential Circuits: Flip flops SR, JK, T, D and Master slave, Excitation table, Edge triggering, Level
Triggering, Realization of one flip flop using other flip flops. Asynchronous/Ripple counters, Synchronous
counters, Modulo-n counter, Ring Counters. Classification of sequential circuits-Moore and Mealy, Design of
Synchronous counters: state diagram, Circuit implementation. Shift registers. [4]
6. Memory Devices: Classification of memories, RAM organization, Write operation, Read operation, Memory
cycle. Static RAM Cell-Bipolar, RAM cell, MOSFET RAM cell, Dynamic RAM cell. ROM organization,
PROM, EPROM, EEPROM, Field Programmable Gate Arrays (FPGA). [4]
7. Signal Conversions: Analog & Digital signals. A/D and D/A conversion techniques (Weighted type, R-2R
Ladder type, Counter Type, Dual Slope type, Successive Approximation type). [5]
Suggested Readings/ Books: