QUESTION PAPERS:-
SYLLABUS:-
UNIT-I
Logic gatesNOT , AND, OR, Universal gates-NAND , NOR. EX-OR and EX-NOR gates. Diode and Transistor as a switch Logic Families-RTL,DTL,TTL,ECL,CMOS–(Main features only-without details of circuit connections and working). Definition of- current and voltage parameters, noise margin, Fanin, Fan-out Boolean Algebra Basics Laws of Boolean Algebra, Logic Gates, Simplifications of Boolean equations using K-maps.
UNIT-II
Review of various number systems (Binary, Octal, Hexadecimal), Definition of BCD , Gray codes and Excess–3 codes and their application (without design of code convertors) Parity generation and Checking. Arithmetic Circuits Adder, Subtractor, Parallel binary adder/Subtractor, binary multiplier and dibvider. Combinational Circuits Multiplexers, De-Multiplexers, decoders, encoders,.
UNIT-III
Flip-flops S-R, D, J-K, T, Clocked Flip-flop, Race around condition, Master slave Flip-Flop, Realisation of one flip-flop using other flip-flop. Shift Registers Serial-in-serial-out, serial-in-parallel-out, parallel-in-serial-out and parallel-in-parallel-out, Bi-directional shift register.
UNIT-IV
Counters Ripple counter, Synchronous Counter, Modulo Counters, Ring Counter, Twisted Ring Counter.
Memory Devices-RAM, ROM, PAL & PLA
SYLLABUS:-
UNIT-I
Logic gatesNOT , AND, OR, Universal gates-NAND , NOR. EX-OR and EX-NOR gates. Diode and Transistor as a switch Logic Families-RTL,DTL,TTL,ECL,CMOS–(Main features only-without details of circuit connections and working). Definition of- current and voltage parameters, noise margin, Fanin, Fan-out Boolean Algebra Basics Laws of Boolean Algebra, Logic Gates, Simplifications of Boolean equations using K-maps.
UNIT-II
Review of various number systems (Binary, Octal, Hexadecimal), Definition of BCD , Gray codes and Excess–3 codes and their application (without design of code convertors) Parity generation and Checking. Arithmetic Circuits Adder, Subtractor, Parallel binary adder/Subtractor, binary multiplier and dibvider. Combinational Circuits Multiplexers, De-Multiplexers, decoders, encoders,.
UNIT-III
Flip-flops S-R, D, J-K, T, Clocked Flip-flop, Race around condition, Master slave Flip-Flop, Realisation of one flip-flop using other flip-flop. Shift Registers Serial-in-serial-out, serial-in-parallel-out, parallel-in-serial-out and parallel-in-parallel-out, Bi-directional shift register.
UNIT-IV
Counters Ripple counter, Synchronous Counter, Modulo Counters, Ring Counter, Twisted Ring Counter.
Memory Devices-RAM, ROM, PAL & PLA
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