1. Define a fiber optic system.
Fiber optic system consists of a fiber optic cable, a light source and a light detector. The
optic fiber is used to carry the light beam from one place to another.
2. What are the uses of optical fibers?
a) To transmit the information of telephone communication, computer data, etc.
which are in the form of coded light signals
b) To transmit the optical images (Example : Endoscopy)
c) To act as a light source at the inaccessible places.
d) To act as sensors to do mechanical, electrical and magnetic measure ....etc

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Data Communication and Networking



Introduction
Today computer is available in many offices and homes and therefore there is a
need to share data and programs among various computers. With the advancement
of data communication facilities the communication between computers has
increased and thus it has extended the power of computer beyond the computer
room. Now a user sitting at one place can communicate with computers of any
remote site through communication channel. The a ....etc

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Device, Intelligent System and Communication & Networking
Intelligent Traffic Control System using RFID
A. Chattaraj, S. Chakrabarti, S. Bansal, S. Halder and A. Chandra
Advanced Digital & Embedded Systems Lab.
Department of Electronics and Communication Engg.
National Institute of Technology, Durgapur-9, West Bengal, INDIA
e-mail: [email protected], [email protected], [email protected]
Abstract In this paper we ....etc

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data communication and networking forouzan 2nd edition ppt

Abstract

As one of the fastest growing technologies in our culture today, data communications and networking presents a unique challenge for instructors. As both the number and types of students are increasing, it is essential to have a textbook that provides coverage of the latest advances, while presenting the material in a way that is accessible to students with little or no background in the field. Using a bottom-up approach, Data Communications and Networking presents this highly ....etc

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please send ppt of physical layer for me. i want to use it for teaching.
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Other Public Key Cryptosystems
Amongst the tribes of Central Australia every man, woman, and child has a secret or sacred name which is bestowed by the older men upon him or her soon after birth, and which is known to none but the fully initiated members of the group. This secret name is never mentioned except upon the most solemn occasions; to utter it in the hearing of men of another group would be a most serious breach of tribal custom. When mentioned at all, the name is spoken only in a whisper, and not until the most elaborate precautions ....etc

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