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Question:
a) Explain briefly three typical network topologies giving one advantage and one disadvantage of each topology. Explain the three topologies with appropriate diagrams.
b) Write brief notes on each of the following: i) BUS ii) Video card iii) BIOS iv) Modem
c) Distinguish between LAN and WAN.
d) Outline four ways how Information Technology had affected the quality of life?
Question 1: (a) In the context of an information system, distinguish and relate among the terms: data, information and decision-making. (b) Describe at least two chall
what are the main problems of signal propagation?why do radio waves not always follow a straight line?why is reflection both useful and harmful?
What are the functions of the typical server program? Ans) It waits for client-initiated requests. Implements many requests at the similar time. Takes care of VIP clients first.
What is the full form of FDM and TDM It is both. Each of the 100 channels is possess its own frequency band (FDM), and on every channel two logical streams are intermixed by th
In a client's software , the structure of an Internet server's address keyed is as follows: Where: http refer for the communication protocol to be used www refer for th
Q. Error Detection-Redundancy? In its place of repeating the entire data stream a shorter group of bits may be appended to the end of each unit. Called as -redundancy?
Fiber Optic Cable A fiber optic cable is made of glass or plastic and transmits signals in the form of light pulses. An optical fiber is a thin flexible medium conducts
WEB TECHNOLOGY 1. Explain different protocols of internet. 2. Differentiate between DHTML and HTML. 3. What do you understand by Event-driven Programming? Classify differ
Q. Explain about Twisted-Pair Cable? - Two conductors surrounded by insulating material - One wire utilize to carry signals and other used as a ground reference - Twistin
Can you explain in short what VPN is?
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