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Wireless Communication – Radio, TV, WiFi, Bluetooth MCQs

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1. : Which frequency band is used for Bluetooth communication?
 
2. : What does WiFi stand for?
 
3. : Which modulation is commonly used in FM radio broadcasting?
 
4. : What is the typical range of a Bluetooth device?
 
5. : Which wireless communication standard is defined by IEEE 802.11?
 
6. : What type of wave is used in TV broadcasting?
 
7. : Which of the following is not a characteristic of Bluetooth?
 
8. : What does the term “Hotspot” refer to in wireless communication?
 
9. : Which one of these technologies supports mesh networking?
 
10. : Which layer of the OSI model does Bluetooth operate on?
 
11. : What is the maximum theoretical speed of WiFi 6 (802.11ax)?
 
12. : What is the full form of RFID?
 
13. : Which of the following devices typically uses Bluetooth?
 
14. : What type of antenna is typically used in radio broadcasting?
 
15. : What does NFC stand for in wireless communication?
 
16. : What frequency band is used in FM broadcasting?
 
17. : Which of the following is NOT a component of a television system?
 
18. : The first public demonstration of TV was made by:
 
19. : WiFi Direct allows devices to:
 
20. : Which wireless standard is used for long-range rural internet access?
 
21. : In radio communication, what is the function of a modulator?
 
22. : Bluetooth is categorized under which type of network?
 
23. : What is the typical frequency range of UHF used in television broadcasting?
 
24. : What is the function of a router in a wireless network?
 
25. : Which device is used to convert radio signals into audio?
 
26. : Infrared communication is typically used in:
 
27. : Bluetooth uses which type of multiplexing technique?
 
28. : Which IEEE standard is used for Bluetooth technology?
 
29. : What is the purpose of encryption in wireless communication?
 
30. : The WiFi signal can be interrupted by:
 
31. : Which technology allows streaming audio from a smartphone to a car stereo?
 
32. : What does the term “bandwidth” refer to in wireless communication?
 
33. : Which of the following is not a wireless communication medium?
 
34. : Which modulation technique is used in digital TV broadcasting?
 
35. : The main difference between WiFi 4 and WiFi 6 is:
 
36. : Which frequency band is not license-free for public use?
 
37. : What does the term “SSID” refer to in WiFi networks?
 
38. : Zigbee is mainly used for:
 
39. : The “pairing” process in Bluetooth involves:
 
40. : What is the use of the MAC address in wireless networking?
 
41. : The range of WiFi indoors is typically:
 
42. : A repeater in a wireless network is used to:
 
43. : What type of waves are used in satellite TV transmission?
 
44. : Which of the following is used to detect Bluetooth-enabled devices nearby?
 
45. : WiFi works on which layers of the OSI model?
 
46. : What is the term for unauthorized access to a wireless network?
 
47. : What does a smart TV use to access the internet wirelessly?
 
48. : Which wireless tech is primarily used for wearable health trackers?
 
49. : Bluetooth operates using which protocol?
 
50. : Which generation of mobile networks first supported video calling?
 
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