Fundamentals of Digital Electronics — Winter 2025

Define Digital System and Give the basic difference between Analog and Digital Systems.

Perform the following:

Subtract the decimal numbers 3570-2100 using 10’s Complement method. (ii) Convert the Octal number 37.45 into Binary number.

Explain all the Basic Logic Gates (AOI), Universal Logic Gates and Exclusive Logic Gates in detail with Truth Tables.

Obtain the truth table of the logical expression: F(A,B,C) = A.B+A.B’+B’.C

Demonstrate the below given properties of Boolean algebra:

Commutative Property ii) Associative Property iii) Distributive Property

Design & explain Half-Adder Circuit in details with NAND & NOR implementation.

Design & explain Half-Subtractor Circuit in details with NAND & NOR implementation.

Find the Minterms of the logical expression F(A,B,C,D) = D(A’+B)+B’D

Describe the Programmable Logic Array (PLA) in brief.

Implement 4*1 MUX using below given logical expression by taking variable X & Yas a select input. F(X,Y,Z) = ∑ m (0,1,4,6,7)

Write the canonical SOP form of the logical expression F(A,B,C)=∑ m (0,1,3,4).

Describe the Programmable ROM (PROM) in brief.

Design & explain the Binary to Gray code converter in detail.

Draw the logic diagram of J-K Flip-Flop using NAND gate with truth table.

Simplify the below given logical expression F(A,B,C,D) = A’+ B.C + (C.D)’ using De Morgan’s theorem.

Implement the J-K Flip-Flop using S-R Flip-Flop with necessary tables and diagrams.

Draw the Symbol of Edged triggered Dand Ttype Flip-Flop with their truth tables.

Implement the logical expression F(X,Y,Z) = XY+X’Y’+Y’Zusing AND, OR and NOT gate.

Describe the Mealy & Moore model for sequential circuits.

Give the difference between Asynchronous and Synchronous counters.

Draw the logic diagram of 2*4 Decoder with truth table and logical expression.1

Design and explain the Serial-In, Serial-Out (SISO) and Serial-In, Parallel-Out (SIPO) Shift Registers in detail.

Draw the logic diagram of 4-bit Ring Counter.

Design the Parallel-Adder Circuit and explain in brief. © Design and explain the BCD Counter (Decade Counter) using Negative Edge-triggered J-K Flip-flops.