CS601 Latest Midterm paper

CS601 Latest Midterm paper 

MCQ's from the past papers..


(1)The freq is 5hz find the period.                                                     [2marks]
(2)what do u mean by zero frequency?how it affects the signal?         [2 marks]
(3)which layer of the OSI controls the data rate and how it works?    [3marks]
(4)Discuss the following interface standard (digram)                          [3 marks]
(5)What are the possible ways through which a signal containing DC component can send to receiver over transmission medium?                                                                   [5marks]
(6)

         a) What is the function of a modulator? What is the function of a demodulator?
         b) Explain the asymmetry of 56K modems
                                                                                                    [5 marks]