Why Visual Basic is referred to as "Front End Tool"?

2 Answers   College School Exams Tests, IBM, Oracle,

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Can we send a digital signal into the air with out modulation? if NO or YES, please give me a answer.

1 Answers  

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What is meant by 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? What do you mean by an ideal voltage source? What do you mean by 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 briefly. What do you mean by half-duplex and full-duplex communication? Explain briefly. Which range of signals are used for terrestrial transmission? What is the 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? What do you mean by 3 dB cutoff frequency? Why is it 3 dB, not 1 dB?

0 Answers   MAHINDRA,

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What are the requirements for producing sustained oscillations in feedback circuits?

0 Answers  

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box1-a box2-b box3-c get 3a-2b-c in box3 using only subtract 3steps

0 Answers   Godrej,

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Explain why a voltmeter should be of very high resistance?

0 Answers  

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how to test on design and style in software?

0 Answers  

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which is the device working in the three logic levels

4 Answers  

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Explain why are using 4ma to 20ma for signal transfer. Why not 0 to 20ma?

0 Answers  

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What is meant by trc?

0 Answers  

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pulse period of two signals are 5ns,10ns .which will give high frequncy component?

4 Answers   Bosch, RR,

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What is the effect of if in radio receiver?

0 Answers  

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