1. Define Flip – Flop. Explain its characteristics.
2. Explain 4 bit register transfer operation with transfer circuit.
3. Explain concept of clocks and its importance in digital computer.
4. `Explain various flip flops with symbol, state table and wave forms.
5. Why do you require Master Slave Flip flop? Explain it with example of SR flip flop.
6. What is shift register? Explain bidirectional shift register.
7. What is counter? Explain Up-Down counters with example.
8. Explain 3 bit counter with example.
OR
Explain MOD 8 counter.
9. Explain BCD counter.
OR
Explain MOD 10 counter.
10. Explain 4-bit bidirectional shift register with example.
11. Design a counter, using three JK flip-flops X, Y, and Z, which counts as 0, 7, 3, 2, 5 repeatedly.
12. Design a counter using three RS flip – flops X1, X2 and X3 having repeated sequence 001,101,011,000,010.
Prof. V. A. Gandhi
