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Communication Engineering Practice Test Questions
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Communication Engineering, aka TeleCommunication Engineering covers topics such as basic circuit design to strategic mass developments. A telecommunication engineer is responsible for designing and overseeing the installation of telecommunications equipment and facilities, such as complex electronic switching systems, and other plain old telephone service facilities, optical fiber cabling, IP networks, and microwave transmission systems. Telecommunications engineering also overlaps with broadcast engineering. (Source: Wikipedia)

Communication Engineering Practice Test Questions
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25 Questions

1. The minimum nyquist bandwidth for the rectangular spectrum in raised cosine filter is
2. In Viterbi’s algorithm, the selected paths are regarded as _____________
3. Which type of demodulator is used in the frequency hopping technique?
4. Agreement between communication devices are called _____________
5. Which reduces the size of the data?
6. In DPSK system, input signal is differentially encoded and then modulated using a _____________ modulator.
7. Average effective information is obtained by
8. Which of the following is true for a Gaussian filter?
9. From digital filter we will get the output pulse as the _____________of the current and the previous pulse.
10. The jammer which monitors a communicator’s signal is known as
11. Which achieves greater compression?
12. Mutual information should be
13. Why is pulse shaping technique used?
14. The code length does not depend on the frequency of occurrence of characters.
15. If the initial pulse of 1000 is fed to shift register, after how many clock pulses does the sequence repeat?
16. What is the role of channel in communication system?
17. The index value n, in transversal filter can be used as.
18. A Gaussian distribution into the non linear envelope detector yields
19. How we can define the satisfactory performance of an analog microwave system?
20. The system should have
21. In soft decision approach 100 means?
22. If each pulse of the sequence to be detected is in............. shape, the pulse can be detected without ISI.
23. The DPSK needs _____________ Eb/N0 than BPSK.
24. Which of the following indicates the number of input bits that the current output is dependent upon?
25. Measured on the ground, the field strength of a horizontally polarized half wave dipole antenna is strongest _____________

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