Blog: CS601 Midterm Current Papers VU Fall 2011 (www.vusolutions.com)

CS601 Midterm Current Papers VU Fall 2011 (www.vusolutions.com)

Mcq's from the past papers..

except the one..

what is the bandwidth of telephone signals

3300

3000

3100

3200

Q-The freq is 5hz find the period. [2marks]

Q-what do u mean by zero frequency?how it affects the signal? [2 marks]

Q-which layer of the OSI controls the data rate and how it works? [3marks]

Q-Discuss the following interface standard (digram) jo mujhe nzr hi nhi ai :( [3 marks]

Q-What are the possible ways through which a signal containing DC component can send to receiver over transmission medium? 

[5marks]

Q-

a) What is the function of a modulator? What is the function of a demodulator?

b) Explain the asymmetry of 56K modems

[5 marks]

Another Paper:

Question No. 17: Give the names of any two devices that can be used for connecting among following situations:

1. LAN to LAN

2. LAN to WAN

3. MAN to WAN

Question No. 18: Phase Modulation is one of the methods used for :

1. Analog to Digital Conversion

2. Analog o Analog Conversion

3. Digital to Analog Conversion

Question No. 19: What will be the frequency of a signal completing 10 cycle in one second?

Question No. 20: If 64 bits are sent over transmission medium in one second, what will be the bit rate and bit interval?

Question No. 21: How does DTE and DCE works together for end to end communication?

Question No. 22: Using HDB3 scheme, encode the signal "1100001011"

Question No. 23: Give advantages and disadvantages of Asynchronous and Synchronous transmission. Compare the both strategies.