Digital Electronics — Winter 2024

Convert (i) (110101) to decimal number and (ii) (673.124) to binary number

(i) By using 10’s complement subtract 72532 - 3250 (ii) By using 1’s complement subtract 1010100-1000011

Define binary logic. Explain Binary-Coded Decimal (BCD) code.

State the DeMorgan’s theorem and validate it by using truth table.

Find the complement of the functions F = x’yz’ + x’y’z and1 F = x (y’z’+yz) by taking their duals and complementing each2 literal.

Prepare a truth table for F= x’y’z + x’yz+ xy’ and implement it with the logic gates.

Simplify a Boolean function by using K-map F (x, y, z) = ∑ (0, 2, 4, 5, 6)

Draw a block diagram of 4 to 1 line multiplexer and give functional table.

Differentiate combinational logic circuit and sequential logic circuit.

Design a half adder combinational circuit with diagram and truth table.

Draw the block diagram of full adder with two half adders and an OR gate

Describe decoder combinational circuit briefly.

Describe the Magnitude comparator.

Explain synchronous clocked sequential circuit.

Explain latches and flip- flop briefly.

Describe SR flip flop with circuit diagram.

Explain excitation table.

Describe concept of master slave Flip Flop.

Describe D- Flip Flop with necessary circuits.

Draw a block diagram and timing diagram of serial transfer from register Ato register B.

Explain serial in serial out shift register.

Explain classification and characteristics of memories.1

Explain Random Access Memory (RAM).

Describe magnetic and optical storage.

Describe 4-bit ripple counter with figures. -------2