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Radio Waves
- Frequency ranges: 3 KHz to 1 GHz
- Omni directional
- Susceptible to interference by other antennas utilizing same frequency or band
- Ideal for long-distance broadcasting
- May penetrate walls
- Propagate in SKY mode
- Utilized for multicast communication such as radio and TV etc
Network Devices a.Hub b.Repeater c.Bridge d.Gateway e.Switch f.Router Connecting devices can classified into networking and internetworking devices when
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Has a central core conductor covered in an insulating sheath encased in an outer conductor of metal foil RG numbers indicate physical specs such as thickness and type of insula
Question : a) In your view, what are the top three strengths and weaknesses of wireless systems? Rank them in order of priority. What can be done to address the weaknesses?
When an error is discovered the receiver is able to ask the sender to retransmit the entire data unit Error Correction-Forward Error Correction A receiver is able to u
WHAT IS NETWORK???
Virtual channel is normally a link from one source to one destination, although multicast connections are also allowed. The other name for virtual channel is virtual circuit.
Network Control protocols ( NCP) The first ARPANET networking protocols was named simply the network control protocols in 1970,and was created by created by network
Now, let us suppose a famous sequence called as bitonic sequence and sort out the elements using a combinational circuit consisting of a set of comparators. The property of bitonic
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