GSM MCQ Questions Answers

1. ______ is based on a principle called trilateration.

2. LEO satellites are normally below an altitude of ________ km.

3. MEO satellites are located at altitudes between km.

4. There is (are) _____ orbit(s) for a GEO satellite.

5. The signal from a satellite is normally aimed at a specific area called the _________.

6. The period of a satellite, the time required for a satellite to make a complete trip around the Earth, is determined by _________ law.

7. In the third generation of cellular phones, _______ uses TDMA.

8. In the third generation of cellular phones, ______ uses a combination of W-CDMA and TDMA.

9. In the third generation of cellular phones, _______ uses W-CDMA.

10. In an IS-95 system, the frequency-reuse factor is normally _____.

11. IS-95 uses the _______ satellite system for synchronization.

12. IS-95 uses the ISM _______band.

13. IS-95 is based on ____________.

14. GSM is a digital cellular phone system using ________.

15. GSM allows a reuse factor of _______.

16. D-AMPS uses ______ to divide each 25-MHz band into channels.

17. AMPS uses ______ to divide each 25-MHz band into channels.

18. AMPS has a frequency reuse factor of _______.

19. In AMPS, each band is divided into ______ channels.

20. AMPS operates in the ISM _____ band.

21. _______ is an analog cellular phone system using FDMA.

22. In a ______ handoff, a mobile station can communicate with two base stations at the same time.

23. In a ______ handoff, a mobile station only communicates with one base station.

24. The __________ cellular phone system will provide universal personal communication.

25. ________ is a second-generation cellular phone system based on CDMA and DSSS.

26. ___________ is a second-generation cellular phone system used in Europe.

27. ____________ is a digital version of AMPS.

28. __________ is a second-generation cellular phone system.

29. _______ is a first-generation cellular phone system.