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Q. Describe about Data Communications?
- Data - Information presented in whatsoever form is agreed upon by the parties creating and using the data
- Data Communications - exchange of data among two devices via some form of transmission medium such as a wire cable
What is WDM? WDM is conceptually the similar as FDM, except that the multiplexing and demultiplexing includes light signals transmitted by fiber optics channel.
Explain the term- congestion The average queue size over the last cycle and the current cycle is calculated. This value is the threshold. By averaging over two cycles instead o
Define about the term - hackers Every time technology updates itself, new techniques evolve. At the same time thieves or intruders (in the information technology line, they are
Microcells As cells become smaller, antennas move from the tops of tall buildings or hills, to the tops of small buildings or the sides of large buildings, and finally to lamp
The following issues are decided by the system in the process of message passing: 1) Whether the communication link is established or not 2) Whether the receiver is ready to
Determine the term - Experimental neuropsychology This is an approach which uses methods from experimental psychology to uncover the relationship among the nervous system and c
Mesh It is of two dimensional network. In this every processing elements are arranged in a two dimensional grid. The processor are in rows i and column j are denoted by PEi
A multiple activity chart records the related sequence of activities of more than one subject, men and / or machine on a common time scale showing the relationship between
Q. What is Domain Names ? - Full domain name is a sequence of labels separated by dots (.) - Fully competent domain name (FQDN) contains the full name of a host cis.usouthal
What is a jam signal A jam signal is broadcasts to network by the transmitting stations that detected the collision to ensure that all stations know of the collision. Every st
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