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Twisted Pairs:
Twisted pairs are familiar to all of us as the copper wire telephone lines. These are of low frequency, and support a limited bandwidth (one voice channel) but can also be used for data communication at the lower speeds of 300bps. For higher speed or rates of data transfer, 4-wire leased lines may be used. The problems associated with this kind of transmission are: noise on the line, parity errors and so on. Twisted pairs are used for conventional voice telephone and telex services.
Why is the ATM selected as a transport network in 3G? Answer: ATM provides efficient support for transmission of voice, data, and video ATM provides QoS guarantee and reliability
Mobile telephone networks started with analog technology. Analog cellular networks were known as first generation (1G) networks. Such networks had limited capacity, and were subjec
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Explain how ICT can be used for achievement of each of the following business objectives, illustrating your answer with examples: 1. Customer intimacy 2. Low-cost leadership
write a c program for below question
How do I change file permissions? Every time I execute chmod commands it tells me permission denied.
QUESTION (a) Convert each of the following expressions to prefix and postfix. (i) (A+B)*(C+D) (ii) A-B/(C*D^E) (^ denotes exponentiation) (b) The following algorithm c
2. What benefits can a company gain by managing its own information infrastructure and services?
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