33151 – DATA COMMUNICATION AND COMPUTER NETWORKS ASSIGNMENT 1 (CO1‚ CO2 : PO1‚PO3) Note: • Submission Date: On or before but not after 12-10-2012 • Refer “Data Communications and Networking” 4th edition‚ Behrouz A. Forouzan • No Plagiarism • Kindly use A4 sheets 1. For n devices in a network‚ what is the number of cable links required for a mesh‚ ring‚ bus‚ and star topology? 2. Assume five devices are arranged in a mesh topology. How many cables
Premium Data transmission Network topology
do you mean by data communication? Ans: It is the exchange of data between two devices via some form of transmission medium such as wire cable. The communicating system must be part of a communication system made up of a combination of hardware and software. The effectiveness of a data communication system depends on three fundamental characteristics: delivery‚ accuracy and timeliness. 2. What is simplex? Ans: It is the mode of communication between two devices in which flow of data is unidirectional
Premium Data transmission Error detection and correction Ethernet
DATA COMMUNICATION COEN 3193 Assignment No. 1 Brief History of Data Communication Submitted by: Camille A. Bonito BSCpE IV-2 Submitted to: Florinda H. Oquindo TIMELINE OF HISTORY OF DATA COMMUNICATION 1800 Telegraph defined from the Greek... TELE = Afar GRAPHOS = Write 1809 First telegraph in Bavaria. Samuel Soemmering. Used 35 wires with gold electrodes in water. Detection at distant end 2000 feet away was by the amount of gas caused by electrolysis. 1828 First telegraph in the USA
Premium Bell System AT&T
SOLUTIONS MANUAL DATA AND COMPUTER COMMUNICATIONS EIGHTH EDITION CHAPTERS 1 - 12 WILLIAM STALLINGS Copyright 2007: William Stallings © 2007 by William Stallings All rights reserved. No part of this document may be reproduced‚ in any form or by any means‚ or posted on the Internet‚ without permission in writing from the author. Selected solutions may be shared with students‚ provided that they are not available‚ unsecured‚ on the Web. -2- NOTICE This manual contains
Premium Data transmission OSI model Data Link Layer
Transmission Media • Transmission medium – Physical path between transmitter and receiver – May be guided (wired) or unguided (wireless) – Communication achieved by using em waves • Characteristics and quality of data transmission – Dependent on characteristics of medium and signal – Guided medium ∗ Medium is more important in setting transmission parameters – Unguided medium ∗ Bandwidth of the signal produced by transmitting antenna is important in setting transmission parameters ∗ Signal directionality
Premium Electromagnetic radiation Twisted pair Coaxial cable
work‚ working part as a team or within a team. -following the guidelines. 2. Explain how duty of care contributes to the safeguarding or protection of individuals. Having a duty of care should guarantee the safeguarding of each individual in my care. Risk assessments; carrying out and reviewing risk assessments for all of the activities we do and places we go ensures that thought and concerns is given to how we do things every day‚ this way I ensure risks concerning equipment and activities are
Premium Plaintiff Complaint Pleading
1.1 Describe how cognitive‚ functional and emotional changes associated with dementia can affect eating‚ drinking and nutrition? Cognitive: depending on the type of dementia a person has they may have trouble in recognising the food in front of them or not understand that the food provided is for them‚ they may even view the food in front of them as food. This can be caused by their minds not recognising what is in front of them. Functional: depending on the type of dementia a person has they may
Premium Nutrition Eating Food
Sciences Lab Manual 8 “Views and Stored Procedures (Advanced Concepts)” Database Systems Lab Instructor(s) Anam Mansoor Semester Spring 2014 Department of Computer Science FAST-NU‚ Lahore‚ Pakistan Table of Contents 1. Task Distribution Total (170 minutes) Views (35 minutes) Stored Procedures (Advanced Concepts)
Premium SQL
Without legal protection such material would often be relatively easy for others to exploit without paying the creator. In the UK‚ there is no official copyright registry or fees to pay as in some other countries. Copyright protection is automatic as soon as there is: (1) a permanent record in any form of the newly created material; and (2) the material conforms with the criteria set out in the Copyright Designs and Patents Act 1998 (CDPA 1998). Although copyright protection has existed in
Premium Copyright
Understanding technology is important when managing companies that have computer technology as their backbone. Knowing this information helps the employees responsible for information management to make informed choices about how to implement technology. These decisions allow the manager to successfully use time and resources in apparently menacing tasks. This is shown in the two scenarios. In the first scenario‚ a marketing assistant of a consumer electronics company is given the task of maintain
Premium Computer network Wi-Fi