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Q. Explain about Local Area Network?
Local Area Network (LAN): It is privately owned communication systems that cover up a small area, say a complex of buildings or school. Length is about 10 meters to few kilometers at a high speed like 10 MBPS to 1000 MBPS. It has minimum low error rate.
Explain about the passive graphics device A passive graphics device simply draws pictures under computer control; i.e. it allows the computer to communicate graphically with th
Home Shopping TV broadcast of goods for purchase, sent directly to a viewer . This online shopping is available because of e-commerce.
How to develop an object model To develop an object model firstly identify classes and their associations, as they affect overall problem structure and approach. Then prepare
A call processor in an exchange requires 120 ms to service a complete call. What is the BHCA rating for the processor? If the exchange is capable of carrying 700 Erlangs of traffic
Chaining: In this method, instead of hashing function value as location we use it as an index into an array of pointers. Every pointer access a chain that holds the element having
Telephone companies normally provide a voltage of to power telephones? Telephone companies usually give a voltage of to power telephones -48 volts DC.
Volatility of memory: Non-volatile memory will received the stored information even if it is not continually supplied with electric power. It is appropriate for long-term
Question 1 What is modulation? Explain why is modulation required? 2 Briefly explain about ASK, FSK and PSK 3 Explain about the Nyquist Bandwidth and Nyquist Theorem 4
advantages and disadvantages of layered architecture in computer network.
Suppose there are 2 copies of resource A, 3 copies of resource B, and 3 copies of resource C. Suppose further that process 1 holds one unit of resources B and C and is waiting for
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