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2 D 70225
Define interrupt cycle.
Explain hit/miss ratio.
(5 x 3 = 15 marks)
Part C
Answer any five questions.
Each question carries 5 marks.
What is flip-flop ? Explain how will you convert a JK flip-flop to a D flip-flop.

Explain the design of full adder circuit with logic diagram and truth table.

What is Demultiplexer ? Design a 1-to-4 Demultiplexer circuit.

Explain the Serial-In-Serial-Out shift register.

Give the circuit representation of 4-bit synchronous counter and explain its function.

What is an addressing format ? Explain the differences between direct addressing mode and indirect
addressing mode.

Write a note on virtual memory.
Give an account on synchronous data transfer mode.
(5 x 5 = 25 marks)
Part D

Answer any three questions.
Each question carries 10 marks.

Explain how a full adder circuit can be converted to a full subtractor with the addition of one
inverter circuit.

Explain the Master-Slave Flip-Flop. How does it overcome the race condition of J-K flip-Flop ?
Explain the different types instructions with examples.

Explain the function and organization of microprogrammed control unit.

Explain the different types of Auxiliary memories.

(3 x 10 = 30 marks)