Unit-6: Wireless Communication  (20 MCQs)

11th Class Computer Science MCQs Preparation 

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as
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1. Which of the following has a range of 40 to 50 km?




... Answer is B. Wi-Max
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2. Which of these uses extremely high-frequency waves for short-range communication.




... Answer is D. Infra-red
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3. Which of these is used for communication between mobile phones, laptop computers, and digital cameras?




... Answer is C. Blue tooth
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4. Which of these is positioned from 160 to 2,000 km above the earth's surface?




... Answer is C. Low Earth orbit
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5.  Which of these is positioned from 160 to 2,000 km above the earth's surface?




... Answer is A. Geostationary Earth orbit
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6. What is a fixed station in a cellular wireless network that provides local coverage for mobile communication?




... Answer is A. Base station
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7. What is used to create web pages?:




... Answer is A. HTML
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8. What is HTTP?




... Answer is C. Application layer protocol
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9. In which Earth orbit satellite is placed for navigation.




... Answer is B. Medium earth orbit
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10. Which of these provides a wireless alternative to cable TV and DSL




... Answer is C. Wi-Max
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11. Which device allows wireless devices to connect to a wired network using Wi-Fi




... Answer is A. Access point
wireless access point (WAP)


12. Which of the following is a short-range wireless technology.




... Answer is A. Blue tooth
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13. Bluetooth technology is commonly used in:



... Answer is A. Mobile phones
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14.  A GEO is at the ____________ orbit and revolves at the same speed as the earth



... Answer is A. Equatorial
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15. GEO stands for ____________________________________




... Answer is C. Geostationary Earth Orbit
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16.. GPS satellites are ____________ Satellites.




... Answer is B. MEO
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17.. Cellular phones work by using ____________ to communicate.



... Answer is A. Radio waves
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18. Each transmitter in cellular systems is called.




... Answer is A. Base station
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19. The base station covers a certain area called.




... Answer is B. CEL
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20. Which of the following is a deal for long-distance communication. :




... Answer is A. Satellite communication
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