Choose the right answer:
1- Shannon Hartley theorem states that
a.
The channel capacity does not increase as bandwidth increases
b.
The channel capacity does not become infinite with infinite bandwidth
c.
The channel capacity becomes infinite with infinite bandwidth
d.
Channel capacity does not have any tradeoff between bandwidth and Signal to noise ratio
2- In a communication system, data compaction
a.
reduces error in the data stream
b.
improves signal transmission efficiency
c.
provide addition bits for error detection
d.
increase signal strength to maximum value
3- Each symbol in QPSK modulation scheme consists of
a.
4 bits
b.
8 bits
c.
2 bit
d.
M number of bits, depending upon the requirement