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Communication Engineering Practice Test Questions
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Avg score: 50% • Most missed: “In QAM, the amplitude is _____________and phase is _____________”

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. What is the other name for half-wave dipole antenna?
2. What is the running time of the Huffman encoding algorithm?
3. Adaptive DPCM is used to
4. Pseudorandom signal _____________ predicted.
5. CT2 is analog version of first generation cordless telephones.
6. What is the advantage of superheterodyning?
7. Which jamming method produces greater degradation?
8. In QAM, the amplitude is _____________and phase is _____________
9. The self information of random variable is
10. The code length does not depend on the frequency of occurrence of characters.
11. A rate distortion function is a
12. As the roll off factor in raised cosine rolloff filter _____________ the occupied bandwidth
13. PSK stands for Pulse Shift Keying.
14. Self information should be
15. Raised cosine filter does not satisfy Nyquist criteria.
16. Equivocation is the
17. A pulse shaping filter should satisfy two requirements. They are
18. Which requires bit transitions?
19. If the initial pulse of 1000 is fed to shift register, after how many clock pulses does the sequence repeat?
20. Processing gain is given as
21. How we can define the satisfactory performance of an analog microwave system?
22. Vocoders _____________ the voice at the receiver.
23. When X and Y are statistically independent, then I (x,y) is
24. In soft decision approach what does -127 mean?
25. Which of the following is used by IS-95?

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