Answer / prabhash adhikari

Because ALU architecture r based on address bus and data bus structure or size i. a processor can have minimum of 255 (starting from 0) memory location and I think that in hex it is FFh and 2^8=256.So a processor have atleast 8 bit for each memory location.

Explain why the shape of op-amp is triangular not other shape?

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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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Im Simil,doing 6th semester Electronics & Communication Engineering.After completing my course I would like to be an integral part of Siemens technology.For dat when & how shoult I apply?

0 Answers   Nokia, Siemens,

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what is difference between electronic device and electronic element?

3 Answers   Siemens,

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Explain what is reverse saturation current?

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As the temperature of a p-type semi-conductor is gradually and continuously increased, what will happen to the fermi level?

0 Answers   C DAC, CDAC,

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What are the applications of log amplifier?

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what is function opto-coupler?

1 Answers   Saudi Ceramics,

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What is full-adder?

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Define potential transformers?

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What is a bcd? What are its advantages and disadvantages? Why is an excess-3 code is called an unweighted code?

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Write down the expression for average output voltage for step up chopper?

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