problem 1) State and describe duality theorem with appropriate ex.

problem 2) Convert (AF)₁₆ = ( ___ )₈ = ( ___ )₁₀

problem 3) What are pairs and Quads? Describe with suitable ex.

problem 4) Describe on pos form of expressions.

problem 5) With a logic diagram and truth table, describe the Half Subtractor circuit.

problem 6) What in an encoder? Describe its working.

problem 7) Describe the operation of D-flip flop.

problem 8) prepare a short note on A/D accuracy and resolution.

problem 9) Describe the various codes in detail.

problem 10) State and prove De Morgan’s theorem.

problem 11) Using K map, simplify the following expression in four variables w, x, y and z.

m₂+ m₃+ m₅+ m₆+ m₇+ m₉+ m₁₁+ m₁₃.

problem 12) Convert the following expressions to SOP form.

(a) (A + B) (B+ C) (A+ C)

(b) (A + C) (AB+ AC) (AC+B)

problem 3) prepare in detail the operation of:

(a) Full adder.

(b) Full subtractor with appropriate truth tables.

problem 14) describe in detail 4:1 Multiplexer, and 1:4 demultiplexer action.

problem 15) With a appropriate block diagram, describe the working of decade counter.

problem 16) Describe the working of dual slope A/D converter.