Digital Electronics

Write the difference between Latch and Flip-flop.

Explain the Excess-3 code.

Convert the following numbers - (i) $(250.5{)}_{10}$ = ( )2 (ii) $(101110.01{)}_2$ = ( )8

What is Master Slave Flip-flop?

What is the operation of SR Flip-flop?

Simplify the following expression $Y=$ (A+B)' (A'+B')'.

Compare Combinational and Sequential circuits.

Which gates are called universal gates? What are its advantages?

Mention the expressions for difference and borrow of Full Subtractor.

Explain De Morgan's law.

Implement BCD to 7-segment decoder and cathode type using 4:16 decoder.

What is Digital System? Write the characteristics of digital systems.

Explain the Half Adder. Implement the full adder using two half adders.

What is a shift register? Explain the working of 4-bit universal shift register.

Implement the following Boolean function using 8:1 multiplexer F(A,B,C,D) = Σm (0, 1, 2, 5, 7, 8, 9, 14, 15).

Discuss the following concerns with Logic Families and Semiconductor Memories - (i) Noise margin (ii) Propagation delay (iii) Fan-in, fan-out

Design an octal to binary encoder.

Design of a synchronous BCD Up-Down counter using FFs.

Write a short note - (i) Encoder (ii) Decoder (iii) Multiplexer

Simplify the Boolean expression using K-map and implement using NAND gates F(A,B,C,D) = Σm(0, 2, 3, 8, 10, 11, 12, 14)

Write about the following - (i) Transistor-transistor Logic (TTL) (ii) Emitter-coupled Logic (ECL) (iii) CMOS Logic

Draw and explain the following using a truth table and logic diagrams - (i) J-K Flip-flop (ii) D-Flip-flop (iii) T-Flip-flop