Consider the following statements as regards BPSK and QPSK: 1. In BPSK – McqOptions

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1.	Consider the following statements as regards BPSK and QPSK: 1. In BPSK we deal individually with each bit of duration Tb2. In QPSK we lump two bits to form a symbol3. In both BPSK and QPSK signal changes occur at bit rate4. In QPSK the symbol can have any one of four possible values Which of the above statements are correct?
A.	1, 2, 3, 4
B.	1, 2, 3
C.	1, 2, 4
D.	2, 3, 4
Answer» D. 2, 3, 4

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