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Do you want to revolutionize the world with new and useful technology? Do you want to make new computers that are more effective and creative? Do you want to make new intelligent materials and components by creating them atom by atom? Do you want to make new communication paths between electronics and nerves so that deaf people can hear and blind people can see? Everyone agrees that the domain of electronics has revolutionized the world the past decades. Only 50 years ago, the thought of being surrounded by computers, microprocessors, Internet, and cell phones was unheard of. The performance of computers is approximately doubled every other year. This development is due to the fact that we now can place more components closer to each other on microchips. |
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1. What is D-FF? 2. What is the basic difference between Latches and Flip flops? 3. What is a multiplexer? 4. How can you convert an SR Flip-flop to a JK Flip-flop? 5. How can you convert an JK Flip-flop to a D Flip-flop? 6. What is Race-around problem? How can you rectify it? 7. Which semiconductor device is used as a voltage regulator and why? 8. Explain an ideal voltage source? 9. Explain zener breakdown and avalanche breakdown? 10. What are the different types of filters? 11. What is the need of filtering ideal response of filters and actual response of filters? 12. What is sampling theorem? 13. What is impulse response? 14. Explain the advantages and disadvantages of FIR filters compared to IIR counterparts. 15. What is CMRR? 16. Explain half-duplex and full-duplex communication? 17. Which range of signals is used for terrestrial transmission? 18. Why is there need for modulation? 19. Which type of modulation is used in TV transmission? 20. Why we use vestigial side band (VSB-C3F) transmission for picture? 21. When transmitting digital signals is it necessary to transmit some harmonics in addition to fundamental frequency? 22. For asynchronous transmission, is it necessary to supply some synchronizing pulses additionally or to supply or to supply start and stop bit? 23. BPFSK is more efficient than BFSK in presence of noise. Why? 24. What is meant by pre-emphasis and de-emphasis? 25. Explain 3 dB cutoff frequency? Why is it 3 dB, not 1 dB? 26. Explain ASCII, EBCDIC? Here are further guidelines. |