15) Find the complement of the functions F1 = x'yz' + x'y'z and F2 = x (y'z' + yz). By applying De-Morgan's theorem.
x' + (y + z) (y' + z') Simplify the following expression Y = (A + B) (A = C) (B + C) (A A + A C + A B + B C) (B + C) (A C + A B + B C) (B + C) A B C + A C C + A B B + A B C + B B C + B C C = A B C What are the methods adopted to reduce Boolean function? ii) Tabular method or Quine Mc-Cluskey methodY = A'B'C' + A'B'C + A'BC + ABC'
20) Write the maxterms corresponding to the logical expressionY= (A + B + (A' + B' ++ B' + C 3. Explain how a full adder can be built using two half adders. (16) 4. Design a half adder using at most three NOR gates. (16) 5. Using 8 to 1 multiplexer, realize the Boolean function
T = f(w, x, y, z) = Σ(0,1,2,4,5,7,8,9,12,13) 6. Design a 8421 to gray code converter. (16) 7. Draw the logic diagram of full subtractor and explain its operation. (16) 8. Draw the circuit diagram of NMOS NAND gate and explain its operation. (16) 9. a) Design a full adder circuit using only NOR gates. (4) Draw the circuit of a CMOS two inputs NAND gate (12)
UNIT-IICOMBINATIONAL CIRCUITSWhat arecarecalledconditions? 2) What is a prime implicant?