PART A (10*2=20)
1.Apply De-Morgan’s theorem to simplify A+BC.
2. Define the term prime implicants and Essential prime implicants.
3.Draw the XOR logic using only NAND gates.
4.Implement the following Boolean function with NOR – NOR logicF = Î (0,2, 4,5,6)
5.Express the switching function f (ABC) = B in terms of minterm.
2. Define the term prime implicants and Essential prime implicants.
3.Draw the XOR logic using only NAND gates.
4.Implement the following Boolean function with NOR – NOR logicF = Î (0,2, 4,5,6)
5.Express the switching function f (ABC) = B in terms of minterm.
6.What is
combinational circuit? Give examples.
7. Draw the block diagram of n-bit parallel adder
8.Write an expression for borrow and difference in a full Subtractor circuit.
7. Draw the block diagram of n-bit parallel adder
8.Write an expression for borrow and difference in a full Subtractor circuit.
9.Write down
fan-in & fan-out of a standard TTL IC.
10.Define the
term (i). Propagation delay (ii). Power dissipation
PART B(13*5=65)
11. Simplify
the following function using K – map, f=ABCD+AB’C’D’+AB’C+AB &
realize the SOP using only NAND gates and POS using only NOR gates (10)
realize the SOP using only NAND gates and POS using only NOR gates (10)
12.
Reduce the following equation using QuineMcClucky method of minimization
F(A,B,C,D) = ∑m(0,1,3,4,5,7,10,13,14,15) (13)
13.Explain the operation of carry look
ahead adder with neat diagram (13)
14.Draw and
explain the BCD adder circuit. (13)
15.Implement
the expression Y (A, B, C) = ∏M (0, 2, 4, 5, 6,) using only NOR-NOR
logic. (05)
(ii). Draw the schematic and explain the operation of a CMOS inverter.(08)
logic. (05)
(ii). Draw the schematic and explain the operation of a CMOS inverter.(08)
PART C (15*1=15)
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