Mobile ComputingAbout the TutorialMobile Computing is a technology that allows transmission of data, voice and video via acomputer or any other wireless enabled device without having to be connected to a fixedphysical link.This tutorial will give an overview of Mobile Computing and then it will take you throughhow it evolved and where is the technology headed to in future along with theclassifications and security issues involved.AudienceThis tutorial has been prepared for beginners to help them understand the basics of MobileComputing. After completing this tutorial, you will find yourself at a moderate level ofexpertise in Mobile Computing from where you can take yourself to the next level.PrerequisitesThis tutorial assumes you are completely unaware of the basic concepts of MobileComputing, but still you are living in the present where mobile phones, PDAs and TabletPCs are being used in day-to-day life.Copyright & Disclaimer Copyright 2015 by Tutorials Point (I) Pvt. Ltd.All the content and graphics published in this e-book are the property of Tutorials Point (I)Pvt. Ltd. The user of this e-book is prohibited to reuse, retain, copy, distribute or republishany contents or a part of content of this e-book in any manner without written consent ofthe publisher.We strive to update the contents of our website and tutorials as timely and as precisely aspossible, however, the contents may contain inaccuracies or errors. Tutorials Point (I) Pvt.Ltd. provides no guarantee regarding the accuracy, timeliness or completeness of ourwebsite or its contents including this tutorial. If you discover any errors on our website orin this tutorial, please notify us at email@example.com
Mobile ComputingTable of ContentsAbout the Tutorial . iAudience . iPrerequisites . iCopyright & Disclaimer . iTable of Contents . ii1. MOBILE COMPUTING – OVERVIEW . 1Mobile Communication . 1Mobile Hardware . 1Mobile Software . 22. MOBILE COMPUTING – EVOLUTION . 33. MOBILE COMPUTING – CLASSIFICATION. 5Personal Digital Assistant (PDA) . 5Smartphones . 5Tablet PC and iPads . 64. MOBILE COMPUTING – ADVANTAGES . 75. MOBILE COMPUTING – SECURITY ISSUES . 86. MOBILE COMPUTING – CURRENT TRENDS. 103G . 10Global Positioning System (GPS) . 10Long Term Evolution (LTE). 10WiMAX . 10Near Field Communication . 10Conclusion . 11ii
1. MOBILE COMPUTING – OVERVIEWMobile ComputingMobile Computing is a technology that allows transmission of data, voice and video via acomputer or any other wireless enabled device without having to be connected to a fixedphysical link. The main concept involves: Mobile communication Mobile hardware Mobile softwareMobile CommunicationThe mobile communication in this case, refers to the infrastructure put in place to ensurethat seamless and reliable communication goes on. These would include devices such asprotocols, services, bandwidth, and portals necessary to facilitate and support the statedservices. The data format is also defined at this stage. This ensures that there is no collisionwith other existing systems which offer the same service.Since the media is unguided/unbounded, the overlaying infrastructure is basically radiowave-oriented. That is, the signals are carried over the air to intended devices that arecapable of receiving and sending similar kinds of signals.Mobile HardwareMobile hardware includes mobile devices or device components that receive or access theservice of mobility. They would range from portable laptops, smartphones, tablet PCs,Personal Digital Assistants.1
Mobile ComputingThese devices will have a receptor medium that is capable of sensing and receivingsignals. These devices are configured to operate in full-duplex, whereby they are capableof sending and receiving signals at the same time. They don't have to wait until one devicehas finished communicating for the other device to initiate communications.Above mentioned devices use an existing and established network to operate on. In mostcases, it would be a wireless network.Mobile SoftwareMobile software is the actual program that runs on the mobile hardware. It deals with thecharacteristics and requirements of mobile applications. This is the engine of the mobiledevice. In other terms, it is the operating system of the appliance. It is the essentialcomponent that operates the mobile device.Since portability is the main factor, this type of computing ensures that users are not tiedor pinned to a single physical location, but are able to operate from anywhere. Itincorporates all aspects of wireless communications.2
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Mobile Software Mobile software is the actual program that runs on the mobile hardware. It deals with the characteristics and requirements of mobile applications. This is the engine of the mobile device. In other terms, it is the operating system of the appliance. It is the essential component that operates the mobile device.
Cloud Computing J.B.I.E.T Page 5 Computing Paradigm Distinctions . The high-technology community has argued for many years about the precise definitions of centralized computing, parallel computing, distributed computing, and cloud computing. In general, distributed computing is the opposite of centralized computing.
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Mobile Cloud Computing Cloud Computing has been identified as the next generation’s computing infrastructure. Cloud Computing allows access to infrastructure, platforms, and software provided by cloud providers at low cost, in an on-demand fashion. Mobile Cloud Computing is introduced as an int
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cloud computing, mobile cloud, fog computing, heteroge-neous resource sharing, service-oriented 1. INTRODUCTION Recent advances of cloud computing platforms and mobile devices have given rise to mobile cloud computing (MCC), which is a new paradigm for mobile applications and services that promises to have a strong impact on our lifestyle. Ini-
Chapter 10 Cloud Computing: A Paradigm Shift 118 119 The Business Values of Cloud Computing Cost savings was the initial selling point of cloud computing. Cloud computing changes the way organisations think about IT costs. Advocates of cloud computing suggest that cloud computing will result in cost savings through
Strategy 6: Mobile Workload Mobile devices are increasingly driving mainframe workloads April 2014: Mobile Workload Pricing – 60% reduction in mobile workload CPU to R4HA peak MUST be from mobile device MUST show connection to mobile device – Mobile Safari good – Desktop Safari not good Mobile to mainframe is .
Abrasive jet machining is a modern machining process in which the Metal Removal takes place due to the impact of High Pressure, High Velocity of Air and Abrasive particle (Al2O3, Sic etc.) on a .