i have taken gre exam twice... first time i got 287( quant:154 & verbal: 133) second time i got 288(quant:149 & verbal:139) is there possibility to take universities -----quant:154& verbal:139....TOTAL=293 can u plz give me information regarding this............. if it is possible for some universities plz give me 5 best universities plz.........

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What is cache coherency and snooping

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why use -48 volt DC power in telecom?

5 Answers  

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When an inductor tunes at 200 KHz with 624 pF capacitor and at 600 KHz with 60.4 pF capacitor then the self capacitance of the inductor would be a) 8.05 pF b) 10.05pF c.) 16.01pF d.) 20.01pF

3 Answers   BSNL, EFF, Satyam, Wipro,

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How many marks allocated to Aptitude test and for remaining quetions

0 Answers   APGenco, Genco,

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In a bipolar junction transistor (take it an n-p-n BJT),,in comparison between EMITTER and COLLECTOR ,,who has higher negativity??

3 Answers  

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Why half-wave rectifiers are generally not used in dc power supply?

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what is the major difference between uart and usart and their applications

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How to make a robo car .Please give me whole theory ,photos of circuits etc. on my e-mail id.

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May want to know about OSI model 7 Layer 1 2 3 Layers of the most

1 Answers   Infosys,

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What is noise in communication?

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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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