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SYLLABUS
UNIT-I
Digital Systems and Binary Numbers: Digital systems, Binary numbers, Octal and hexadecimal numbers, Complements of numbers, Signed Binary numbers, Arithmetic addition and subtraction, 4-bit codes: BCD, EXCESS 3, alphanumeric codes, 9’s complement, 2421, etc.
UNIT-II
Concept of Boolean Algebra: Basic theorems and properties of boolean algebra, Boolean functions, Canonical and standard forms, Minterms and maxterms. Gate Level Minimization Map method, Three-variable K-map, Four variable K-maps, Products of sum simplification, Sum of products simplification, Don’t -care conditions, NAND and NOR implementation, Exclusive-OR function.
UNIT-III
Combinational Logic: Introduction, Analysis procedure, Binary adder-subtractor, Binary multiplier, Decoders, Encoders, Multiplexers, Demultiplexers, Priority encoder, Code converters, Magnitude Comparator, HDL models of combinational circuits. Realization of switching functions using PROM, PAL and PLA.
UNIT-IV
Synchronous Sequential Logic: Introduction to sequential circuits, Storage elements: Latches, Flip-flops, RS-latch using NAND and NOR gates, Truth tables. RS, JK, T and D flip flops, Truth and excitation tables, Conversion of flip flops.
UNIT-V
Registers and Counters: Registers, Shift registers, Ripple counters, Synchronous counters, Ring counter, Johnson counter.
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CategoriesEngineering
Format EPUB
TypeeBook