1) Explain what is sampling theorem?
2) What do you understand by the term ISI?
3) Write differences between the coherent and non coherent detection.
4) Design the signal constellation diagram of the BFSK.
5) Explain the use of PLL in the carrier synchronization?
6) Write down the open loop transmitter synchronization and closed loop transmitter synchronization.
7) Write down the applications of spread spectrum communication.
8) Distinguish between the slow and fast frequency hopping.
9) Write differences between the symmetric key and asymmetric key encryption.
10) Explain what is authentication and confidentiality.