QUESTIONS AND ANSWERS

                                questions and answers

                 Mobile track questions

1. During the 1930s and 1940s, inventor Donald Hings helped to develop a two-way radio

device called the Walkie-Talkie. For which government did Hings work during the Second

World War?

2. Name the first commercially available mobile phone.

3. Expand PSTN

4. Which country hosted the launch of the first commercial cellular network?

5. Which company launched the first cellular network in the world?

6. In a cellular system, as the distributed mobile transceivers move from cell to cell during

an ongoing continuous communication, switching from one cell frequency to a different cell

frequency is done electronically without interruption and without a base station operator or

manual switching. This is called the _________

7._____________ is a standard developed by the European Telecommunications

Standards Institute (ETSI) to describe the protocols for second-generation (2G) digital

cellular networks used by mobile devices such as mobile phones and tablets.

8. The unique code used to identify SIM Cards on their individual operator networks

9. Expand “eSIM”

10. The fear of being without your mobile phone or losing your signal

11. Which company is the present parent of the network operator Tata- Docomo?

12. Which country has “Mobile Phone Throwing” as an official sport?

13. The first smartphone in the world was designed by ________

14. What was the commercial name of the first smartphone designed by IBM which went by

the codename “Andler”

15. Which company manufactured the IBM Simon?

16. Expand VoLTE

17. Which is the Worlds’ largest mobile network operator (terrestrial)?

18. Which is India’s largest mobile network operator (terrestrial)?

19. Expand EDGE

20. The practice of ignoring one’s companion or companions in order to pay attention to

one’s phone or any other mobile device is known as _______

21. ________ is a practice of modifying (mostly an iOS device) to remove restrictions

imposed by the manufacturer or operator, e.g. to allow the installation of unauthorized

software.

22. iOS is based on _____ kernel

23.Which was the first Android version to be named after a confectionery?

24. Which was the first commercially available Android device?

25. The most predominant mobile processors today are based on ARM architecture. What

is the expansion of ARM?

26. ARM architecture is designed by ARM Holdings. Which is the parent company of ARM

Holdings?

27. ________ is an integrated circuit (also known as a “chip”) that integrates all or most

components of a computer or other electronic system. These components almost always

include a central processing unit (CPU), memory, input/output ports, and secondary storage

– all on a single substrate or microchip, the size of a coin.

28. What was the original name of the Global Positioning System (GPS)?

29. Which is the satellite navigation system that is operated by Russia as an alternative to

GPS?

30. When was nano-SIM first introduced?

31. ________ is a measure of the rate at which energy is absorbed per unit mass by a

human body when exposed to a radio frequency (RF) electromagnetic field.

32. The permissible SAR Value range for mobile devices sold in India is______

33. ________is an open-source capability-based operating system currently being

developed by Google which is expected to replace Android in the future.

34. Expand GPRS

35. Which the most sold mobile handset (model) worldwide?

36. Which mobile communication technology has been named after the epithet of a

Scandinavian king?

37. Expand AMOLED.

38. Expand IMEI.

39. ______ is a walking person using a smartphone and not paying attention as they walk,

possibly risking an accident in the process, an increasing social phenomenon.

40. The series of Personal Digital Assistants (PDA) designed and made by Apple was

called________

41. _________an operating system created by Psion in the 1990s which went on to

become the most popular smartphone OS on average until the end of 2010.

42. Expand UMTS.

43. Expand CDM

44. Expand VoIP

45. Name the mobile OS designed by Amazon.

46. Who were the founders of Android Inc?

47. In which year did Google acquire Android Inc?

48. Name the series of smartphone SoCs manufactured by Samsung.

49. Expand APK.

50.Google released a lightweight version of Android for low specification devices starting

with Android Oreo. What was this lightweight edition called?

space

     Important Questions on Mobile Computing

1) What is Mobile Computing? Or What do you understand by Mobile Computing?

2) What are the basic building blocks for Mobile Computing?

3) What do you understand by Mobility in Mobile Computing?

4) What are the two different types of mobility in Mobile Computing?

5) What are the different types of applications in which Mobile Computing is used?

6) What are the main obstacles that occurred in mobile communications?

7) What is the full form of a SIM card?

8) What information is stored on a SIM card?

9) What does a SIM do? Or What is the working of a SIM card in Mobile communication?

10) What are the different advantages of Mobile Computing?

11) What are the main disadvantages of Mobile Computing?

12) What do you understand by guard space in Mobile Computing?

13) How is guard spaces arranged between users in CDMA systems?

14) What do you understand by multiplexing in Mobile computing?

15) What are the three fundamental propagation behaviors depending on their frequency?

16) What is multipath propagation?/ What do you understand by multipath propagation?

17) What are the different basic schemes of analog modulations in mobile computing?

18) What are the Phase Lock Loop (PLL) in Mobile computing and its use?

19) What is the hopping sequence in Mobile Communication?

20) What do you understand by dwell time?

21) What are the advantages of a cellular system?

22) What is the difference between borrowing channel allocation (BCA) and fixed channel

allocation (FCA)?

23) What is the responsibility of an authentication center?

24) What do you understand by burst and normal burst?

25) What is traffic multiframe and control multiframe?

26) What do you understand by Mobile IP?

27) Why Mobile IP is so important?

28) What are the different components of the Mobile IP?

29) What is GSM in Mobile Computing?

30) In which year and country GSM was first deployed?

31) Explain the GSM System Protocol Architecture.

32) What do you understand by TCP?

33) Explain the working of TCP in Mobile Computing.

34) What do you understand by OVSF?

35) What is polling in Mobile Communication?

36) What do you understand by BSSGP in Mobile computing?

37) What do you understand by WLAN?

38) What are the advantages and disadvantages of WLAN?

39) What is the difference between infrastructure and ad-hoc networks?

40) What are the main features of infrared transmission?

41) Where is infrared transmission used?

42) In which applications the infrared waves are used in Mobile communication?