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Q. Illustrate Diffrent types of modems?
There are four different types of modems: half-duplex, full-duplex, synchronous, and asynchronous.With half-duplex modems data can be transmitted in only one direction at a time. Full- duplex modems transmit data in both directions at the same time; one modem is designated as the originating modem and the other as the answering modem, while transmitting and receiving data are done at different frequencies. Asynchronous modems are low-data-rate modems transmitting serial data at a rate of about 1800 bits per second (bps). Synchronous modems are high-data-rate modems transmitting serial data at a rate of about 10,800 bps.
Modems can also be classified as voice-band or wide-band modems. Voice-bandmodems are low-to-high speedmodems designed for use on dial-up, voice-grade, standard telephone lines up to a rate of about 10,800 bps.Microprocessor-controlledmodems are known as smart modems, such as the Hayes modem, manufactured by Hayes Microcomputer Products. The portable acoustic- coupler device, which is a different type of voice-band modem, is a low-speed modem with a rate of about 600 bps that is connected acoustically to a standard telephone. Wide-band modems are very high-speed modems with rates of 19,200 bps and above, designed for use with dedicated telephone lines. These are currently used mostly on private communications systems.
What is control store? The microroutines for all the instructions in the instruction set of a computer are kept in a special memory known as the control store.
Yes. It's available on Windows and uses TWAIN, and on GNU/Linux you constant have a choice among XSane and gnome-scan - both can be used as GIMP plug-ins.
As an advocate of CISC architecture to RISC architecture, what are the merits and demerits of CISC to RISC architecture
Explain about the term Intranet in brief. Intranet: An Intranet is a form of information system which facilitates communication into the organizations in between widely
What is insertion sort? Insertion Sort : One of the easiest sorting algorithms is the insertion sort. Insertion sort having of n - 1 passes. For pass p = 2 by n, insertion so
Write an ALP to count positve and numbers from array.
Give the regular expression of the set of all even strings over the alphabet {a, b} along with at least one of the two substrings aa or bb. As well construct the finite automata wh
How can i made Carnot engine
What are the features common in most of the websites Following general features must be found on most web sites in one form or another (this list is by no means exhaustive):
a) What command do you use to list all listening sockets? The output should also contain the name of the program to which the socket belongs. b) Write the command to use to
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