This is also referred to known as asynchronous device which means data is transmitted into small packets of fragmentary way, while a packet is received by the system then it reassembles that packet into the form in which computer can use it. When computers are too far apart to joined via standard computer cable then modem which is also known as data communication equipment enables the communication between them. Which make it possible for computers to communicate over telephone lines. Modem hardware share the following characteristics:. Speed of modem is from to 56, bps i. A high speed cable modem supporting 56 Mbps is an example of Modem Performance.
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Whether you use the internet to work, study, or keep in touch with loved ones, a modem is the most important device in your network. But what is a modem, and what does it do? A modem is a network device that connects your local area network LAN to the wide area network WAN , also known as the internet. Most modems are connected via a phone line, coaxial cable, or optical fiber. Modems also correct data errors and control the flow and size of data that is sent to and from your network. It can also tell your connected devices when to transfer data, how much data to send, and how fast data transfers will be.
What Is a Modem? A Guide for Beginners
Find the value of p that maximizes this expression. Assume each node has an infinite number of packets to send. Each node attempts to transmit in each slot with a probability p. The first slot is numbered slot 1, the second 2, and so on. This is the probability that any one node is successful, and since there are four nodes, we have to multiply this by 4.
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