Sequential Circuits - Registers: Important Questions

Digital Principles and Computer Organization:

Chapter 7: Sequential Circuits - Registers

Important Questions

1. What is register?

2. What is buffer register?

3. What do you mean by controlled buffer register?

4. List the basic types of shift registers in terms of data movement.

5. Draw a 4–bit serial–in–serial–out shift register and draw its waveforms.

6. Draw a 4–bit parallel–in–serial–out shift register and briefly explain.

7. Draw the 8–bit serial–in–parallel–out shift register and explain its operation.

8. Draw and explain the operation of parallel–in–parallel–out shift register.

9. Explain the operation of 4–bit bidirectional shift register with the help of neat diagram.

10. Design a 4 bit bi–directional shift register.

11. Draw and explain the 4 – bit SISO, SIPO, PISO and PIPO shift reister with its waveforms.

12. Explain the operation of serial–in serial out shift register.

13. What is meant by universal shift register? Explain the principle of operation of 4–bit universal shift register.

14. Explain the operation of universal shift register with neat block diagram.

15. Explain the applications of shift registers.

16. Draw a six stage ring counter and explain its operation.

17. Draw the timing diagram of 4–bit ring counter.

18. Draw a 2–bit ripple counter and convert this into a 2–bit ring counter.

19. Explain the operation of shift and ring counters.

20. Design a 3 bit ring counter and find the mod of the designed counter.

21. Draw the 4–bit Johnson counter and explain the operation.

22. Design Johnson counter and state its advantages and disadvantages.

23. Design a 3 bit Johnson counter and explain its operation.