Pointing Devices are direct entry input devices. They allow users to control the pointer and the insertion point on the screen. Examples of pointing devices are mouse‚ trackball‚ touch pad‚ pointing stick‚ joystick‚ touch screen‚ light pen and graphics tablets. A mouse is a computer device‚ which has a ball sealed at the bottom. It is attached with a cable to the system unit. When rolled on the flat surface‚ the movement of the ball will generate electrical circuits‚ which are then sent to the
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Power Electronics * The control and conversion of electrical power by power semiconductor devices (wherein these devices operate as switches) * To control and convert electrical power from one form to another * Power range: from a few VA/Watts to several MVA / MW * The primary task of power electronics is to process and control the flow of electric energy by supplying voltages and currents in a form that is optimally suited for user loads. Interdisciplinary Nature of Power
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Report Submitted to University of Wales Institute Cardiff In the partial fulfilment of the requirements of the degree of Bachelors of Arts in Business Studies What factors affect the Customers’ Buying Attitudes towards Handheld Electronics Devices (Cell Phones‚ iPod‚ Cameras and MP3 Players) in UK? By Uzair Ifrahim Statement of Authenticity Apart from any work in quotes or cited from previous theories (has been acknowledged)‚ I do hereby solemnly affirm that I have completed
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Electronic waste From Wikipedia‚ the free encyclopedia For the EC directive‚ see Waste Electrical and Electronic Equipment Directive. Defective and obsolete electronic equipment. Electronic waste‚ e-waste‚ e-scrap‚ or waste electrical and electronic equipment (WEEE) describes discarded electrical or electronic devices. There is a lack of consensus as to whether the term should apply to resale‚ reuse‚ and refurbishing industries‚ or only to product that cannot be used for its intended purpose
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digital electronic is the branch in which most of the devices used work on direct current. this current is very less as compared to the current used in electrics. The direct current is more dangerous as compared to the altenating current‚ but it is harmful after a certain range like above 18 volts. But all the electronics appliances work below this range . The main things in digital electonics are 0 and 1.The whole of the digital electronics depends on 0 & 1. where o stands for ’off’ and 1 for
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S) A mobile device is a small and handy computing device. Mobile device usually come with a touch or non- touch display with a mini keyboard. Today‚ mobile devices have become popular to everybody since they are convenient. As on the year 2012‚ reports had claimed that more 75% of the world population owns a mobile device. Mobile device are also considered as a computer systems because it uses the Input-Process-Output-Storage (IPOS) model. One of the examples of input in mobile device is their touchscreen
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Mnemonic Devices Mnemonic devices are techniques for improving memory. Many were developed in ancient times when written records were scarce or non-existent and people relied heavily on their memories to impart information. Mnemonics do not simplify information‚ they actually make it more elaborate‚ but this enhances organisation‚ and therefore retrieval‚ of information. Acronyms These are pronounceable words formed from the first letters of the list of words to be remembered‚ and are a type
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microscope is a machine used to see tiny‚ small things such as germs and bacteria. These small creatures are not seen by us but can be seen by a microscope. The three subtopics that will be mentioned are: 1) Who invented the microscope? 2) Why was it invented and What are the different types of microscope. The prediction made was that the microscope was a very important part of life in the middle-ages. People had very serious sicknesses at that time so doctors needed a device that would help
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Instructor’s Resource Manual to accompany Electronic Devices and Circuit Theory Tenth Edition Robert L. Boylestad Louis Nashelsky Upper Saddle River‚ New Jersey Columbus‚ Ohio Copyright © 2009 by Pearson Education‚ Inc.‚ Upper Saddle River‚ New Jersey 07458. Pearson Prentice Hall. All rights reserved. Printed in the United States of America. This publication is protected by Copyright and permission should be obtained from the publisher prior to any prohibited reproduction‚ storage in
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LaNece Woodson Dr. Patricia Pallis English 102 13 May 2016 Poetic devices used in” Subject for English B” Since the start of our nation’s history‚ individuals of African descent have ceaselessly experienced oppression by those of European descent. Despite the fact that the condition of racial issues in the 1990’s is a huge change from the times of servitude‚ racial pressure still exists. In the 20th century‚ no time surpasses the 1950’s and 1960’s in connection to racial foul play and savagery.
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