What do you understand by leds?

0 Answers  

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What is D-FF? What is the basic difference between Latches and Flip flops? What is a multiplexer? How can you convert an SR Flip-flop to a JK Flip-flop? How can you convert an JK Flip-flop to a D Flip-flop? What is Race-around problem? How can you rectify it? Which semiconductor device is used as a voltage regulator and why? Explain an ideal voltage source? Explain zener breakdown and avalanche breakdown? What are the different types of filters? What is the need of filtering ideal response of filters and actual response of filters? What is sampling theorem? What is impulse response? Explain the advantages and disadvantages of FIR filters compared to IIR counterparts. What is CMRR? Explain half-duplex and full-duplex communication? Which range of signals is used for terrestrial transmission? Why is there need for modulation? Which type of modulation is used in TV transmission? Why we use vestigial side band (VSB-C3F) transmission for picture? When transmitting digital signals is it necessary to transmit some harmonics in addition to fundamental frequency? For asynchronous transmission, is it necessary to supply some synchronizing pulses additionally or to supply or to supply start and stop bit? BPFSK is more efficient than BFSK in presence of noise. Why? What is meant by pre-emphasis and de-emphasis? Explain 3 dB cutoff frequency? Why is it 3 dB, not 1 dB? Explain ASCII, EBCDIC?

3 Answers   DRDO, Electronics,

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i am going to face the gd round for the ues exam ,going to be conducted in our college campus by indian army soon so i just want to know that which kind of technical questions are usually asked in the interview after gd ..???

1 Answers   Indian Military Services,

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what frequncy range useing in cell communication

7 Answers  

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What is the impact of 3GDT in SGSN?

0 Answers   Ooredoo,

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what is the h-parameter?

3 Answers   TATA,

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HOW TO INTERFACE A "MOTOR ASSEMBLY UNIT" WITH 8085 MICROPROCESSOR? MEANS HOW CAN WE USE 8085 TO ASSEMBLE DIFFERENT PARTS OF A VEHICLE?????

2 Answers  

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What is meant by virtual ground in the op amp ?

15 Answers   TCS,

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areas for improvement

0 Answers  

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please send the model written test papers to pandu476@rediffmail.com for ET

0 Answers   Bhel,

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12. Multiprogramming nd multithreading.. Which of these are better? a.multiprogramming b.multithreading c.depends on the system d.both are efficient

0 Answers   Bosch,

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What is the difference between synthesised frequency hopping and base band frequency hopping?

0 Answers  

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