Fundamentals of Digital Design — Summer 2019

Perform BCD subtraction using 9’s complement for : (151.6 - 89.7)10

Draw logic symbols for Bubbled-AND & NOR gate. Prove that both give same output using truth table.

Draw AOI logic for (A’B + AB’) and convert it to NAND and NOR logic.

Which are called Universal Logic Gates? Explain with one example why?

Expand A(B’ + A)Bto maxterms and minterms.

Reduce the following expression using K-map and implement it in universal logic: Σ m(0, 1, 2, 3, 4, 6, 8, 9, 10, 11)

Minimize the following expression using tabulation method: Σ m(0, 1, 2, 8, 9, 15, 17, 21, 24, 25, 27, 31 )

Explain Half-subtractor in detail with equations and NOR logic circuit.

Explain 4x1 multiplexer in detail.

Design 2-bit parallel adder using Look-Ahead Carry.

Explain Half-adder in detail with equations and NAND logic circuit.

Explain 4-bit ripple adder with block diagram.

Design a combination circuit where input given at Dof 2x11 multiplexer can be displayed at Doutput of 1x4 demutiplexer.3

What are Active-High and Active-Low configurations? Explain in detail.

Explain edge triggered D Flip flop.

Explain NAND gate S-Rlatch and NOR Gate S-Rlatch with truth table and Logic circuit.

List different applications of Flip-Flops.

Explain edge triggered T Flip flop.

Explain edge triggered JK Flip-flop for Active-High and Active- Low configuration.

For DAC define: (1) Resolution, (2)Settling time (3) Offset Voltage

Explain Programmable Array Logic (PAL) with basic circuit structure.

Explain Serial-IN Serial-OUT shift register.1

List types of A/Dconvertors.

Using simplified connection method in PLA circuits draw circuit for following functions: F = AB’C + A’B’C + AC1 F = ABC + AB’ + C2

Explain BCD to Seven Segment decoder for common-cathode LED display.