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Ginni has Published 1580 Articles
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Ginni
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The Hamming code can be used to the data units of any length when we consider the two codewords which have the same length. The Hamming distance between two codewords is represented as the number of positions in which their specific item differs.ExampleHamming Distance is 3.Hamming code is also known ... Read More
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Ginni
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In the detection method, only the error can be detected. Still, in the error correction method, the errors are corrected automatically at the receiver end and no need for re-transmission. The burst error correction is very limited to 2 bits only.Each kbit block of data is added with redundant bits ... Read More
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Ginni
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Parity Bit is the simplest and frequently used method for detecting an error. In this method, we have to join a parity bit to the end of the data structure. The bit is so chosen that the weight of codeword is either even or odd of, i.e. V is the ... Read More
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Ginni
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There are a few effects of errors which are as follows −Attenuation: Due to error, the signal may get attenuated, i.e., the data may be costly in the extreme case.Delay Distortion: Due to this error at the receiving end, the wave is distorted due to a delay in transmission.Interference in voice communication ... Read More
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Ginni
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User Datagram Protocol (UDP) provides a connectionless packet service that offers unreliable 'best effort' delivery. This represents that the packet's arrival is not guaranteed, and also there is no guarantee for the correct sequencing of forwarded packets.An application that does not require an acknowledgement of data receipt. For example, audio ... Read More
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Ginni
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TFTP represents the Trivial File Transfer Protocol. Some applications do not need the full functionality of TCP, nor can they afford the complexity. TFTP supports an inexpensive structure that does not require complex interactions between the client and the server. TFTP confine operations to simple File Transfer and does not ... Read More
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Ginni
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The two types of Connections in FTP are as follows −Control ConnectionThere are two steps −The server issues a positive open on the well-known port 21 and waits for a client.The client uses an ephemeral port and issues an active open.The connection remains open during the whole process.Data ConnectionThe data ... Read More
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Ginni
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ARC NET stands for Attached Resources Computing Network. It is the central LAN topology in which coaxial cables are used. It is very similar to a thin net (thin Ethernet) in appearance, but the cable used in it is 93 ohm RG-62 A/U cable which is not interchangeable with the ... Read More
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Ginni
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It makes use of the lower gigahertz frequencies of the electromagnetic spectrum. These frequencies are higher than radio frequencies, and they make better throughput and execution. This transmission can be further classified as Terrestrial or Satellite.Types of Microwave TransmissionThere are two types of microwave transmission, which are as follows.Terrestrial Microwave ... Read More
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Ginni
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Radio waves have frequencies between 10 kHz and 1 gigahertz. The range of electromagnetic spectrum between 10 kHz and 1 GHz is known as radiofrequency (RF).Radio waves are omnidirectional. When an antenna sends radio waves, they are propagated in all directions. This defines that the sending and receiving antennas do ... Read More