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Why do we use FM for sound and AM for video in TV transmisssion?5 22419
I'would like to know the type of questios asked for STA (senior technical assistant)interview in DRDO.whats the nature of the interview? whether theres HR and Technical interview?2 6920
What is the maximum range of a general Radar9 12186
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IN AN OSCILLOSCOPE TWO COUPLING IS THERE, THAT IS AC & DC COUPLING, WHERE DO WE USE THESE COUPLINGS ?2 4084
How will you send and receive data to a micro-processor? (One method is I/O mapped I/O which is the other one?)1 3409
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 6518
what is fili flop ?3 3938
What is "Aging effect" in B.J.T. ? please mail the answer at my ID, which is- email@example.com 3742
introduce your self1 2756
what is composition of fizzy drinks
How to test SQL -911 error while developing COB-DB2 program
What do you think are your personal strengths and what are the areas where you need to improve as an individual?
What the difference between three phase contactor (coil 110vac) & three phase SSR (control voltage 110Vac)? May I use contactor in place of SSR?
what is sales tax assesment or annuel return company and how to do end of the finiancial year and what is form no 240.
what does tru, dtru, cdu do and what is inside of them. Please ans
what casues little rust pockets to pop through or off concrete cylinder blocks (home)?
What is the meaning of "Modulus" and "Alignment" in a datafile. Data file might be from any database. Data file is created through unloading data from a table. So, while loading this data into my table, I need to use these keywords. Could any one can help me regarding this?
Can some body explain me please..mobile to mobile call flow explaination..
diff between exptected result and requirement?
What is the percentage i get to work in MICROSOFT
program for inter process communicatin using message sharing in unix c
You want a automation tool to be used for your project. How will you convince the client for the same. Please give me specific answer.
a) we have 30nos., 300mm dia, 4m length double under reamed piles.calculate excavation quantity.b) tell concrete qty. also.
Write an algorithm for implementing insertion and deletion operations in a singly linked list using arrays ?