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State the uses of groupware With the use of groupware, users can easily do most of the office related management work, which otherwise would be extremely difficult. For instanc
Question : a) Describe the following core components of a cellular based network: i) Cell ii) MSC iii) HLR & VLR iv) PSTN b) Explain why frequency reuse is consi
Difference among the communication and transmission? Transmission is a physical movement of information and concern issues as bit polarity, synchronization, clock etc. Commu
Error Detection- 2D/LRC Adds an additional character (instead of a bit) A block of bits is prearranged in a table The Parity Bit for every data unit is calculate
Question 1 Explain FDM and TDM with example Question 2 Define B-ISDN and explain its services Question 3 What is symmetric key cryptography? Describe one symmetric
Control Frame: solicit_successor Periodically ask for any station to link by sending solicit_successor Token with sender's addr and successor's addr wait 2 (as in
A carrier is frequency modulated with a sinusoidal signal of 2 kHz, resulting in a maximum frequency deviation of 5 kHz. (a) Find the bandwidth of the modulated signal (b) The ampl
Addresses are necessary for virtually everything we do on the Internet. In TCP/IP the IP is a mechanism for providing addresses for computers on the Internet. Internet addresses ha
There are two logical addressing :- a) Datalink is physical (hardware) addressing. b) Network is logical (software) addressing.
Explain Fiber-Optics cable. A cable with central glass tube covered with protective shield which transmit data using photons is fiber optics cable. These cables transmit data t
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