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DEPTT.= ELECTRICAL & ELECTRONICS SEMESTER = IV TH DELD-I UNIT –I Q1. Convert the following a) b) c) d) e) 12310 =()2 138 =()2 1010011G=()2 43216 =()8 1101102 =()G Q2. Simplify Boolean function by using K-Map Y= ∑m (0,2,3,1,7)+ ∑d (8,10,12) Q3. Add 647 and 487 in BCD? Q4. Simplify the expression a). AB’+BC+A(AB+C)’ b). A’B ‘+CB’+ABC+CA Q5. Define gray code & BCD code? UNIT=II Q6. Explain half adder and full adder ? Q7. Explain look ahead carry generator? Q8. Explain the working of serial adder and subtractor? Q9. Construct a 5 to 32 line decoder using four 3 to 8 line decoders? Q10. What is priority encoder? UNIT=III Q11. What is race around condition & how it can be avoded? Q12. Write steps involved in designing a sequential circuit? Q13. Explain the T flip flop & J-K flip flop ? Q14. What is meant by edge triggering ? Discuss the working of edge triggering circuit? Q15. Explain the working of S-R flip flop? Also draw state diagram? UNIT=IV Q16. What is a shift register and its types? Q17. Explain Johnson counter? Q18. What is Ring Counter? Q19. Draw diagram of MOD 8 ripple counter and waveforms at output of flip flops. Why is it called a divide by 8 counter? Q20. Compare the performance of Asynchronous and Synchronous counter? UNIT=V Q21. What is RAM? Q22. Explain dual slope A to D converter? Q23. Explain ROM and its working . how is it different from PLA? Q24. Explain the working of successive approximation type A to D ? Q25. Explain the working of Binary weighted D to A?