CS601 Midterm Topics 1-113

Cs601 Mid term

Topic 1 to 113 cover in this quiz

1. In _________ medium signals are normally broadcast through free space and thus are available to anyone who has a device capable of receiving them.

Wireless…confirm · 2. Voltage controlled oscillator (VCO) generates · Carrier signal….confirm

3. In _____ the instantaneous change in the carrier frequency is proportional to the derivative of the amplitude of the modulating signal Amplitude modulation….confirm
4. At the application layer, object/information is in the form of ________. Message…confirm

5. ___________ is the first step in PCM technique Sampling…confirm

6. Communication between two user in a cellular (Mobile) network is an example of __ communication

Full duplex….confirm

7. Transmission medium are of ______ types.

8. A frequency is called ____ if sine wave changes with time Infinte frequency…confirm

9. A frequency is called ____ if sine wave does not change with time Zero frequency ….confirm

10. Open system interconnection (OSI) has __ number of layers. 7…confirm

11. In unidirectional antenna, the common point where all the lines intersect each other is ___.

Focus…confirm

12. To calculate the data rate for noisy channel ____ formula is used. Shannon….confirm

13. Television broadcast where user can only view the information sent in the form of video is an example of _______ communication. Simplex

14. N= S*r is the formula for finding · Baud rate…..confirm · 15. TCP/IP protocol suit has _______ layers. 5….confirm

16. Unit of phase is _______.

Degree….confirm

17. For a noiseless channel theoretical formula to calculate the data rate was developed by.

Nyquist…..confirm

18. In context of bandwidth-delay product the cross section of the pipe represents the ______. Bandwidth…confirm

19. Uni polar Polar and Bipolar are types of _____ coding scheme. Line…confirm

20. In ___ scheme the voltages are on both sides of the time axis and voltage level for 0 can be positive ant the voltage level for 1 can be negative. Polar….confirm
21. In _______ transmission medium start and stop bits are used Asynchronous….confirm from net
22. In layered architecture of network logical connection between layers means.

They are connected in peers…..confirm

23. OSI stands for _______.

Open system interconnection….confirm

24. Quadrature Amplitude Modulation is the mechanism of ______ conversion.

Digital to analog…confirm

25. Writing used for transmission modes depends upon ______. Data stream…confirm

26. The maximum bandwidth required for QAM transmission is the same as that required for _ and _______ transmission.

ASK, PSK

27. In optical fiber cable the ratio of the diameter of their core to the diameter of their cladding, both expressed in ______.