Wireless communication is started in MCQ
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61 Mobile Assisted Handoff (MAHO) provides Show A Faster handoffs B Suitability for frequent handoffs C MSC need not monitor the signal strength D All of the above View Answer 62 When all of the radio channels are in use in a trunking system A The user is blocked B The access to the system is denied C The queue may be provided D All of the above View Answer Advertisement 63 Interference in cellular systems is caused by A Two base stations operating in same frequency band B Two calls in progress in nearby mobile stations C Leakage of energy signals by non cellular systems into cellular frequency band D All of the above View Answer 64 Co-channel reuse ratio depends upon A Radius of the cell B Distance between the centers of the co channel cells C Frequency allocation of nearest cells D Both a and b View Answer 65 The techniques used to improve the capacity of cellular systems are A Splitting B Sectoring C Coverage zone approach D All of the above View Answer Answer: Random access protocol 66 Distributed antenna systems are used at A Transmitters of mobile systems B Transmitters of base stations C Inputs and outputs of repeaters D Receivers of mobile stations View Answer Answer: Inputs and outputs of repeaters 67 Antenna down tilting refers to A Decreasing the S/N ratio at the antenna input B Decreasing the strength of antenna C Focusing radio energy towards ground D All of the above View Answer Answer: Focusing radio energy towards ground 68 The rainbow pattern seen on a CD is an example of A Reflection B Refraction C Diffraction D None of the above View Answer 69 When a wave falls on a perfect conductor A Wave is partially reflected and partially transmitted B All incident energy is reflected back without loss of energy C Part of energy gets absorbed D Both a and c View Answer Answer: All incident energy is reflected back without loss of energy 70 Brewster angle is the angle at which A No reflection occurs at the first medium B Reflection coefficient is zero C The wave gets refracted in the direction of source D Both a and b View Answer Advertisement Miscellaneous GK QuestionsWireless Communication MCQ Questions and Answers Quiz1. Which of the following is/are the main part(s) of basic cellular system.A. A mobile UnitB. A cell SiteC. A mobile Telephone Switching OfficeD. All of the above 2. Fading of the received radio signals in a mobile communication environment occurs because of.......... 3. State whether True of False. i) The cells or subdivisions of a geographical area are alwayshexagonal. ii) A land to Mobile call originates through the Telephoneexchange.  4. In..............Frequency Spectrum is divided into smaller spectra and is allocated to each user 5. In................multiple access is achieved by allocating different time slots for the different users.A. CDMAB. TDMAC. FDMAD. FPGA In which year wireless communication started?In 1894, Guglielmo Marconi began developing a wireless telegraph system using radio waves, which had been known about since proof of their existence in 1888 by Heinrich Hertz, but discounted as a communication format since they seemed, at the time, to be a short range phenomenon.
What is wireless communication * Mcq?Explanation: Mobile communication is use of technology that allows users to communicate from different locations without the use of physical medium (wires or cables).
Who first started communication Mcq?Process of Communication Question 8 Detailed Solution
Communicator/Sender: Sender is a person who speaks out or sends or transmits or communicates message. It is the first starter of the communication process.
What is the first wireless mode of communication?The first wireless transmitters went on the air in the early 20th century using radiotelegraphy, which is radio communication using Morse Code or other coded signals. Later, as modulation made it possible to transmit voices and music via wireless, the medium came to be known as "radio."
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