45) Number of cross point needed for 10 lines in a cross point switch which is full duplex in nature and there are no self-connection is

46) Maximum data rate of a channel for a noiseless 3-kHz binary channel is

47) Which of the following measures the number of lost or garbled messages as a fraction of the total sent in the sampling period

48) Minimum number of bits required to represent all the symbols together is

49) A field in the Ethernet message packet is