Explain half-duplex and full-duplex communication?
Answer Posted / sukhwinder
in half duplex the data transfer only on one direction
in full duplex data is transfer in both direction
| Is This Answer Correct ? | 6 Yes | 5 No |
Post New Answer View All Answers
Explain why are using 4ma to 20ma for signal transfer. Why not 0 to 20ma?
How to find conductivity?
What is the difference between inductance and resistance?
How can I make calculation to Install level transmitter (DP) for open tank and close tank
What is the maximum value of tv in msa to calculate r&r?
I heard that Apple's laptop usese micro controler whereas others use microprocessors... i learnt tat.. micro controller is nothing but an association of microprocesor with other elements like temperature sensor,timer etc...can anyone explain me this much more in simpler words...
Water boiling point temperature is 100 deg. In which liquid state is convert into the gas state,but in turbine which principle is use by which exhaust temperature is 50-55 deg and is in the stage of steam?
Which type of devicesa used for detection of radio active field in side the reactor building?
WHAT IS THE DIFFERENCE BETWEEN HORIZONTAL AND VERTICAL POLARIZATION IN MICROWAVE LINK?
Explain why the input impedance of op-amp is so high?
Why is base made thin and lightly doped?
differnce between ups and inverters. Series and parallel batteries connections of ups.
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?
What is meant by the temperature coefficient?
Tell me, when a sample of germanium and silicon having same impurity density are kept at room temperature then resistivity of silicon will be higher than that of germanium, why?