What do you mean by network topology? Explain different types of network topology in detail.
[7 marks]Explain adaptive delta modulation.
[3 marks]Define amplitude modulation and modulation index. Derive relation between the output power of an AM transmitter and depth of modulation.
[4 marks]Describe frequency modulation and give its mathematical representation.
[7 marks]Draw the block diagram of communication system and explain each block.
[3 marks]Explain DTE and DCE equipments.
[4 marks]Explain in brief different types of noise.
[7 marks]Explain LRC and VRC error detection method along with suitable example.
[4 marks]Explain parity error detection method.
[3 marks]Explain the losses in the fiber optic cable.
[4 marks]Explain bit-oriented protocols.
[7 marks]Explain Pulse Code Modulation.
[3 marks]For a stream of data 11001010001, show the different encoded data formats in UNZ,URZ,BNZ-AMI, BRZ-AMI, Manchester( Biphase ) and Differential Manchester codes
[7 marks]Explain Wave Division Multiplexing.
[3 marks]Explain IEEE 802.6 Metropolitan Area Network.
[3 marks]Explain wireless LANs using CSMA/CA (IEEE 802.11)
[4 marks]Describe OSI Model in detail.
[7 marks]Explain Optical Detector in detail.
[4 marks]Describe RS232C interface standard and draw its null modem configuration.
[7 marks]Explain IEEE 802.3 Ethernet frame.
[3 marks]Explain QPSK Modem in detail.
[4 marks]Explain Time Division Multiplexing. Also discuss about multichannel TDM system.
[7 marks]Explain Microwave communication in detail.
[3 marks]Write a short note on SONET.
[4 marks]Explain different methods of Satellite Communications.
[7 marks]