Ppt on file system in mobile computing

Mobile Communications: Support for Mobility Mobile Communications Chapter 11: Support for MobilityFile systems  Data bases  WWW and Mobility  WAP.

mobile computers updates can be propagated through the network MIo-NFS (Mobile Integration of NFS)  NFS extension, pessimistic approach, only token holder can write  connected/loosely connected/disconnected 11.8.1 Mobile Communications: Support for Mobility Database systems in mobile environments Request processing  power conserving, location dependent, cost efficient  example: find the fastest way to a hospital Replication management  similar to file systems Location management  tracking of mobile/


Cellular Networks and Mobile Computing COMS 6998-7, Spring 2014 Instructor: Li Erran Li

Cellular Networks and Mobile Computing (COMS 6998-7) 1/27/14 iOS Overview: CoreOS System Framework (based on Mach) – Threading (POSIX) – Networking (BSD sockets) – File system – Service discovery (Bonjour & DNS) – Memory management – Math computations Core Bluetooth /– Memory management: weak and strong Specify @property in the header (*.h) file Create the accessor methods by @synthesize the properties in the implementation (*.m) file Cellular Networks and Mobile Computing (COMS 6998-7) 1/27/14 Objective-C/


OBJECTIVE: “I CAN EXPLORE, MANAGE, AND DEMONSTRATE A BASIC UNDERSTANDING OF OPERATING SYSTEMS.” Operating Systems HOW THE OPERATING SYSTEM CONTROLS YOUR.

Press Insert again to change back into “Insert Mode” Ctrl + S is used to SAVE – After a file has been saved with “Save As”, then use Ctrl-S often to quickly save changes. Ctrl + A/AND WINDOWS OPERATING SYSTEM ENVIRONMENTS.” Objective: “I can discuss the differences in mobile device operating system environments.” 1. Mobile Device Operating Systems (ANDROID) Android is a Linux-based operating system designed primarily for touchscreen mobile devices such as smartphones and tablet computers. Initially developed/


System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013.

.Computing Essentials 2013 5-17  Mobile OS  Embedded operating system in every smartphone  Some of the best known  Symbian  BlackBerry OS or RIM OS  iOS  Android  Windows Phone 7  WebOS System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-18  Specialized programs to make computing easier  Most essential utilities  Troubleshooting or diagnostic programs  Antivirus programs  Uninstall programs  Backup programs  File compression programs System/


Mobile OS and Mobile Service Architectures Prabhaker Mateti CEG4361.

CEG43612 Operating System (process/device/memory management, file systems, interprocess communication, …) Memory Instruction Execution & Interrupt Processing User Applications Window System Command Interpreter I/O Devices “Middleware” CEG43613 Operating System Structures Monolithic OS/ satellites faster as well as better in poor signal conditions. CEG436: Mobile Computing (PM) 123 Skyhook Location Service skyhookwireless.com/ software-only location system that quickly determines device location with/


3 Section C: Installing Software and Upgrades  Web Apps  Mobile Apps  Local Applications  Portable Software  Software Upgrades and Updates  Uninstalling.

Mobile Apps Chapter 3: Software6 3 Local Applications Chapter 3: Software7 3 Local Applications  Most local applications contain a setup program that guides you through the installation process  At least one of the files included in a software package is an executable file designed to be started by users or automatically launched by the operating system/to conceal malware and backdoors that have been installed on a victim’s computer  A virus hoax usually arrives as an email message containing dire /


Mobile Commerce Security

systems and in military applications such as guided missiles For indoor applications, other technologies are used such as the smart badge that is developed by Xerox Labs in UK One of the major obstacles in the way of mobile computing in general and mobile commerce in particular was the capabilities of mobile device. In/sandbox Security manager will not allow untrusted applet to read/write to a file, delete a file, get any info about a file, execute OS commands or native code, load a library, establish a /


Malware: Scanners, Sniffers, Viruses, Worms, Mobile Code COEN 252 / 152: Computer Forensics.

Typically after making copy of MBR in a “safe location” Michelangelo: April 1991 Moves original boot sector to safe location Infects all floppy disks inserted into computer Payload: overwrites file system with zeroes Extinct in the wild Virus: Boot Sector /JavaScript. Browser pop-ups alert with cookie values. Attacker needs to trick the victim into using this URL. Malicious Mobile Code XSS (cross scripting) attack Assume victim has interactions with a vulnerable website. Attacker crafts a link, sends /


Updates on Two Topics: The Security of Cloud Computing, and The Security of Mobile Internet Devices Joe St Sauver, Ph.D. Security Programs Manager, Internet2.

Loss Risks The risk of data loss (as in the T-Mobile Sidekick case) is an exception to the availability discussion on the preceding slide. Users may be able to tolerate an occasional service interrup- tion, but non-recoverable data losses can kill a business. Most cloud computing services use distributed and replicated global file systems which are designed to insure that hardware failures (or/


University of Michigan Electrical Engineering and Computer Science University of Michigan Electrical Engineering and Computer Science High Performance.

o p s ) Power(Watts) 3G Wireless 4 Mobile HD Video University of Michigan Electrical Engineering and Computer Science University of Michigan Electrical Engineering and Computer Science 4G Wireless Basics Three kernels make up the/Simpler memory system design – no cache coherence University of Michigan Electrical Engineering and Computer Science University of Michigan Electrical Engineering and Computer Science A Closer Look at SIMD: Power Breakdown Register file power disproportionately high in a traditional/


CS 515Ibrahim Korpeoglu1 Challenges of Mobile and Wireless Computing CS 515 Mobile and Wireless Networking İbrahim Körpeoğlu Computer Engineering Department.

network  For example using a network file system prevents storing all the files in the local mobile computer CS 515 İbrahim Körpeoğlu 12 Wireless Communication - Disconnections Code File System is a good example of handling network disconnections Designed as a file system for mobile computers like laptops Information from user profiles is used to locally cache best selection of files on the mobile computer A whole file is cached (not only some blocks) Optimistic/


A Closer Look at Hardware and Software

Less expensive than an SSD Can extend the battery life of portable computers and mobile devices Can allow encryption and other security measures to be built into the drive CGS1060 Introduction to Computers - Dr. Thomas Nedorost Storage Hardware Internal vs. External Hard Drives Internal Hard Drives Permanently located in the system unit Almost all computers have at least one used to store programs and data External/


Various computing models: Total cost of ownership analysis.

management practices: Requiring strong passwords, maintaining well-thought-out file access permissions, keeping anti-virus software and operating system patches up to date, securing server ports, and /in application streaming Note: We considered thin client notebooks for server-based computing models and rich client notebooks for the rich client models. True mobility support is available only with the application streaming computing model. Mobility – OverviewMobility – Overview Go to summary MOBILITY/


Created by Ivette Doss Mobile Testing ONLINE PART 1 1 Copyright Portnov Computer School 2012.

when the T-Mobile G1 launched in the United States. Copyright Portnov Computer School 2012 12 Architecture of Android 2 Applications Home Contacts Browser Phone Application Framework Package Manager Telephony Manager Content Providers Location System Notification System Libraries and Android /we need to open original project files using the Xcode SDK. An.ipa file is an iPhone application archive file. It is usually encrypted with Apples FairPlay DRM technology. Each.ipa file is compressed with a binary for /


Mobile Data Sharing over Cloud Group No. 8 - Akshay Kantak - Swapnil Chavan - Harish Singh.

is essential that the data needs to be secured before putting it on cloud. Our system aims at providing this security by encrypting the data before uploading it to the cloud. Security Encryption /files. Synchronizing our app with PC to allow easy sharing of data. Providing better authentication and allow group access to shared accounts. Extending our app so that it can be used on multiplatform such a iOS, Blackberry OS. Conclusion Mobile cloud computing is one of mobile technology trends in the future. Computing/


Cellular Networks and Mobile Computing COMS 6998-10, Spring 2013 Instructor: Li Erran Li

.g., content providers) channels in Android System components Example: Soundcomber ( Schlegel et al., NDSS’2011) Malware Privileges: P 1 Android System App Benign app Privileges: P 2 @FraunhoferSIT/CASED 2012 Alexandra Dmitrienko, NDSS 2012 DO NOT DISTRIBUTE FURTHER 4/16/13 Cellular Networks and Mobile Computing (COMS 6998-10) 8 Inter-Application Communication  Inter-process communication (IPC)  Intents and remote procedure calls  File system (files, Unix domain sockets/


Chapter 5: System Software: Operating Systems and Utility Programs.

, 14th Edition 14 The Operating System – Types of Operating Systems Personal (Desktop) Operating Systems – Designed to be installed on a single computer Server (Network) Operating Systems – Designed to be installed on a network server – Client computers still use a personal operating system – Server operating system controls access to network resources Many operating systems come in both versions Mobile and embedded operating systems also exist Understanding Computers: Today and Tomorrow, 14th Edition/


Dr. Eileen Dittmar October 2, 2012 For audio call Toll Free 1 - 888-886-3951 and use PIN/code 716526 Mobile Learning: Dont Leave Home without it! Integrating.

software applications, and operating systems for your computer(s) and mobile devices.  For example, know where the files that are saved or downloaded get placed on your computer or mobile device. If the user cannot find a file to upload into a /are continuously changing/updating features and new sites regularly appear. m-Learning Alison Topper (2011) created this presentation in Slideshare without audio. http://www.slideshare.net/alisontopper/a- comparison-of-2-social-bookmarking-sites, which compares /


Module 8 Configuring Mobile Computers and Remote Access in Windows 7.

that mobile computers help resolve? 10 min Tool Features Power Options Updated Battery Meter Power Plans Windows Mobility Center Key system settings collected in one place Display brightness, power plan, volume, wireless networking, external display settings, display orientation, and synchronization status Windows Mobile Device center Successor to Active Sync Synchronizes various content including music, video, contacts, calendar events, web browser favorites, and other files between Windows Mobile devices/


UNIT V 1. Contents 1. Digital Evidence on Windows systems 2. Digital Evidence on Unix systems 3. Digital Evidence on Mobile Devices 4. Intellectual Property.

for each host that was accessed in files named “known_hosts.” UNIX computers can be configured to send logs to remote systems in the /etc/ syslog.conf Additionally, the /etc/printcap file is used to send print jobs to remote systems 36 3. Digital Evidence on Mobile Devices 3.1 Mobile Device Forensic s 3.2 Types of Evidence on Mobile Devices 3.3 Handling Mobile Devices as Sources of Evidence 3/


Hacking Web File Servers for iOS Bruno Gonçalves de Oliveira Senior Security Consultant – Trustwave’s SpiderLabs.

app that you use. Path Traversal (DEMO) Easy File Manager Unauthorized Access to File System (CVE- 2013-3960) Getting worst with a jailbroken device. Remote Command Execution: Unauthorized Access to File System (CVE-2013-3960) – Jailbroken Device iOS 7 Security Improvement How to find vulnerable systems <= mDNS Watch for iOS mDNS Queries Conclusions Mobile Apps (already) are the future. Mobile Apps designers still don’t care too much/


Chapter 5: System Software: Operating Systems and Utility Programs.

a PC. Answer: File management Understanding Computers: Today and Tomorrow, 14th Edition 24 System Software: The Operating System – Types of Operating Systems: Personal (Desktop) Operating Systems – Designed to be installed on a single computer Server (Network) Operating Systems – Designed to be installed on a network server – Client computers still use a personal operating system – Server operating system controls access to network resources Many operating systems come in both versions Mobile and embedded/


Using Mobile Computers Lesson 12. Objectives Understand wireless security Configure wireless networking Use Windows mobility controls Synchronize data.

the power consumption of components in your mobile device. Offline files store copies of network files on the local drive, for use when the computer is disconnected. Skills Summary (cont.) Sync Center is a central control panel for all of the synchronization partnerships. BitLocker encrypts all of the files on a volume and performs an integrity check before it permits the system to start. Dial-up or/


Week #10 Objectives: Remote Access and Mobile Computing Configure Mobile Computer and Device Settings Configure Remote Desktop and Remote Assistance for.

Power Plans Windows Mobility Center Key system settings collected in one place Display brightness, power plan, volume, wireless networking, external display settings, display orientation, and synchronization status Windows Mobile Device center Successor to Active Sync Synchronizes various content including music, video, contacts, calendar events, web browser favorites, and other files between Windows Mobile devices and Windows 7 Sync Center Sync data between desktop computers, network servers, and/


Prepared by: Jennifer McKee With support from: in partnership with: Introduction to ArcPad NSF DUE-0903270.

Mobile supports Microsoft Office mobile (Excel, Word, PowerPoint) Microsoft Office Outlook Mobile Internet Explorer Mobile Microsoft Office Communicator Mobile & more Most mobile devices come with either Windows Mobile or Palm O.S. Windows Mobile Synchronization software for PDAs Easy way to connect PDA to computer and transfer information, settings, & files Synchronization software depends on OS of computer/3 Any icon with a has a drop down menu 1.Zoom In 2.Zoom to Full Extent 3.Go Back to Previous Extent 4/


Michael Sobolewski Texas Tech Grid and Service-Oriented Computing: The Intergrid Perspective Part II.

ServiceUI Provisioning and Autonomic Computing Design Issues – UML Class Diagrams Code Mobility in SORCER File Store Service SGrid and Intergrid Surrogate Architecture for Mobility Web/Grid Services in SORCER DB Context Providers/file. 5,6 - Client communicates to server via InputStreamAdapter and downloads file. Standalone JVM Clients SORCER Distributed File System File System (UNIX) Servlet Engine FileStorer SORCER Service FileStorer SORCER Service File System (Linux) FileStorer SORCER Service File System/


1 Technology in Action Chapter 8 Mobile Computing: Keeping Your Data on Hand Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall.

1 Technology in Action Chapter 8 Mobile Computing: Keeping Your Data on Hand Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 2 Mobile Computing: Is It Right for You? Advantages Convenience Boost productivity Communicate with others anywhere Access to electronic information Limitations Expensive Short battery life Small screen display Slow Internet speed Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 3 Mobile Computing Devices Cell phones/


Ch 1. Mobile Adaptive Computing Myungchul Kim

transparency – Mobile computing: mobility transparency Adaptability – The key to Mobile Computing 4 o Constraints of mobile computing environments – Mobile computers can be expected to be more resource-poor than their static counterparts: e.g., battery – Mobile computers are less secure and reliable. – Mobile connectivity can be highly variable in terms of its performance (bandwidth and latency) and reliability. o Fig 1.1 5 o Application-aware adaptation – Application-transparent (the system is fully/


10.1 Mobile Computing Chapter 10: Support for MobilityFile systems  Data bases  WWW and Mobility  WAP (Wireless Application Protocol), i-mode & Co.

the help of other mobile computers updates can be propagated through the network MIo-NFS (Mobile Integration of NFS)  NFS extension, pessimistic approach, only token holder can write  connected/loosely connected/disconnected 10.10 Database systems in mobile environments Request processing  power conserving, location dependent, cost efficient  example: find the fastest way to a hospital Replication management  similar to file systems Location management  tracking of mobile users to provide/


Computer Concepts 2012 Chapter 6 The Internet. 6 Chapter 6: The Internet2 Chapter Contents  Section A: Internet Technology  Section B: Fixed Internet.

, EV-DO, and HSUPA  Some manufacturers offer netbook computers with built-in circuitry for mobile broadband access  Some cell phones connect to your computer and act as a wireless modem to transmit data over /Compute Cloud Chapter 6: The Internet44 6 Cloud Computing Chapter 6: The Internet45 6 Chapter 6: The Internet46 Grid Computing  A grid computing system is a network of computers harnessed together to perform processing tasks –SETI@home project 6 FTP Chapter 6: The Internet47 6 File Sharing  P2P file/


Chapter 5: System Software: Operating Systems and Utility Programs.

; 3) File management Understanding Computers: Today and Tomorrow, 14th Edition 21 The Operating System – Types of Operating Systems Personal (Desktop) Operating Systems – Designed to be installed on a single computer Server (Network) Operating Systems – Designed to be installed on a network server – Client computers still use a personal operating system – Server operating system controls access to network resources Many operating systems come in both versions Mobile and embedded operating systems also exist/


Chapter 5: Operating Systems and Utility Programs.

in whole or in part. System Software vs. Application Software System Software – The operating system and utility programs that control a computer system and allow you to use your computer Enables the boot process, launches applications, transfers files, controls hardware configuration, manages files/, duplicated, or posted to a publicly accessible website, in whole or in part. Operating Systems for Mobile Phones and Other Devices Understanding Computers: Today and Tomorrow, 14th Edition 46 © 2013 Cengage/


Cellular Networks and Mobile Computing COMS 6998-8, Spring 2012 Instructor: Li Erran Li

Networks and Mobile Computing (COMS 6998-8) 4 iOS Overview: CoreOS CoreOS is based on Mach System Framework – Threading (POSIX) – Networking (BSD sockets) – File system – Service discovery (Bonjour & DNS) – Memory management – Math computations External Accessory/ management: weak and strong Specify @property in the header (*.h) file Create the accessor methods by @synthesize the properties in the implementation (*.m) file 2/6/12 Cellular Networks and Mobile Computing (COMS 6998-8) 16 Objective-C Method/


Packetizer TM © 2014 Advanced Multimedia System (AMS) Overview and Update Paul E. Jones Rapporteur, ITU-T Q2/16 7 January 2014.

in each profile when initiating a session from the Container. Home Profile (active) Voice/Video (home desk phone) File Transfer (home computer) Whiteboard (home computer) App Share (home computer) Roaming Profile Voice/Video (mobile handset) File Transfer (mobile handset) File Transfer (office computer) Office Profile Voice/Video (office desk phone) File Transfer (office computer/functionality that is entirely separate from other entities in the system Application Media (if applicable) Application Logic /


Mobile Communications Chapter 10: Support for MobilityFile systems  Data bases  WWW and Mobility  WAP (Wireless Application Protocol), i-mode & Co.

independent: version numbering, time-stamps  content dependent: dependency graphs File systems for limited connectivity I Symmetry  Client/Server or Peer-to-Peer relations  support in the fixed network and/or mobile computers  one file system or several file systems  one namespace for files or several namespaces Transparency  hide the mobility support, applications on mobile computers should not notice the mobility  user should not notice additional mechanisms needed Consistency model  optimistic/


1 Mobile Computing Set Up Copyright 2015 by Janson Industries.

Installing on a Computer ▀ We will download all files to Mobile u If you are going to install on many machines you only have to download once ▀ Then download SDK using Internet Explorer from: u http://developer.android.com/sdk/in dex.html#Other / Chapter 1© copyright Janson Industries 201512 Scroll down and click the accept agreement radio button Double click the operating system of your computer (Windows), select 32 bit even if you have a 64 bit one Chapter 1© copyright Janson Industries 201513 Scroll/


Lesson 8: Operating Systems Computer Literacy Basics Connie Morrison and Dolores Wells L8: Operating Systems.

runs on smart phones and other types of handheld computers. Originally called Windows Mobile, this operating system allows you to perform tasks such as accessing e-mail, recording and watching video, exchanging instant messages, reading an e- book, playing games, and managing finances. L8: Operating Systems Sharing Files on Different Operating Systems In the classroom all the computers maybe the same, but students might have different types of/


Software 1. Software is divided into parts System software Operating system Utility software Application software 2.

you can retain existing application software and data files even if you change computer models or vendors. 12 Stand-Alone Operating System Stand-Alone Operating System is a complete operating system that works on a desktop computer, notebook computer, or mobile computing device. Some stand-alone operating system are called client operating systems because they also work in conjunction with a server operating system. 13 Can operate with or without a network. Example/


Chapter 8: Operating Systems and Utility Programs Catherine Gifford Dan Falgares.

outlining any problems. Backup Utility –Allows users to copy or back up selected files or an entire hard disk. Screen Saver –Developed to prevent a problem called ghosting Types Of Operating Systems Three Types –Stand-alone –Network –Embedded Stand-Alone Def: –Complete operating system that works on a desktop computer, notebook computer, and mobile device. Examples: –DOS –Windows XP –Mac OS X –UNIX –Linux Network Def/


1 MAIN TABLE OF CONTENTS Definition: SOFTWARE AGENT HOW MANY TYPES OF AGENT? DEFINITION OF MOBILE AGENT: SOFTWARE AGENTS PROPERTIES, WORKING OF MOBILE.

agents and agent hosts OTHER COMPETING TECHNOLOGIES Message passing systems Remote Method Invocation (RMI) Common Object Request Broker Architecture (CORBA) 16 APPLICATIONS OF MOBILE AGENTS Parallel Computing Data Collection E-commerce Mobile Computing: 17 ADVANTAGES OF USING MOBILE AGENTS Protocol Encapsulation Asynchronous and Autonomous Execution Fault Tolerance DISADVANTAGES OF MOBILE AGENTS security risk involved in using mobile agents –A malicious mobile agent can damage a host –A malicious host can/


Feb 12, 20071 ECET 581/CPET/ECET 499 Mobile Computing Technologies & Apps Data Dissemination and Management 4 of 4 Lecture 9 Paul I-Hai Lin, Professor.

algorithmsLRU (Least-Recently Used) and Prefetching algorithms Feb 12, 20075 Mobile Data Caching Caching in Traditional Distributed Systems Distributed Systems and Network Computing Environments Distributed Systems and Network Computing Environments Scenario 1 Scenario 1 Data in the shared memory or serversData in the shared memory or servers Data can be read or written by different clients concurrently (Distributed File System)Data can be read or written by different clients concurrently (Distributed/


Cellular Networks and Mobile Computing COMS 6998-7, Spring 2014 Instructor: Li Erran Li

Cellular Networks and Mobile Computing (COMS 6998-7) 2/3/1410 iOS Overview: CoreOS System Framework (based on Mach) – Threading (POSIX) – Networking (BSD sockets) – File system – Service discovery (Bonjour & DNS) – Memory management – Math computations Core Bluetooth /– Memory management: weak and strong Specify @property in the header (*.h) file Create the accessor methods by @synthesize the properties in the implementation (*.m) file Cellular Networks and Mobile Computing (COMS 6998-7) 2/3/1421 Objective-C/


Writing Secure Mobile Applications for Windows Mobile Pocket PCs and Smartphones Marcus Perryman Microsoft.

. DDDDesign to be secure, not a bolt on. Trustworthy Computing “Helping ensure a safe and reliable computing experience that is both expected and taken for granted.“ SSSSecurity-/File System Filter  Application based store security Vodafone Media Trial Vision: Research for consumption of video media on mobile device. Vision: Research for consumption of video media on mobile device. Provide mobile device with media on SD Card. Daily video’s displayed in sequence with questionnaire. Provide mobile/


Chapter 4 Programs and Apps Discovering Computers Technology in a World of Computers, Mobile Devices, and the Internet.

Cengage Learning. All rights reserved. Pages 164 - 165 Productivity Applications Legal software is an application that assists in the preparation of legal documents and provides legal information to individuals, families, and small businesses Copyright © /Programs and apps available for computers and mobile devices Role of the operating system and the various ways software is distributed Features of a variety of applications Communications applications Security tools and file and disk management tools Page/


Evolving Interfaces to Impacting Technology: The Mobile TeraGrid User Portal Rion Dooley, Stephen Mock, Maytal Dahan, Praveen Nuthulapati, Patrick Hurley.

Webapp solution to serve most popular platforms first (Apple and RIM > 78% of U.S. web requests), keeping in mind those coming on (WebOS, Android) Minimally require that all browsers support HTML, CSS, JavaScript, and cookies. Design/ log files for usage info. Community Acceptance Roughly 2000 hits/month News, System Status, and Job info are most popular pages. Still advertising TGUP Mobile to the community. Future Work Consulting ticket support Managing training class registrations TeraGrid file management/


MOBILE COMPUTING D10K-7D02 MC03a: Android UI Tour Dr. Setiawan Hadi, M.Sc.CS. Program Studi S-1 Teknik Informatika FMIPA Universitas Padjadjaran.

, sent) Android 4.0 Android 5.0 Mobile Computing Teknik Informatika-Semester Ganjil 2015-2016 My Email Android Software Framework Mobile Computing Teknik Informatika-Semester Ganjil 2015-2016 Android Software Framework Each Android app runs in its own security sandbox (VM, minimizes complete system crashes) Android OS multi‐user Linux system Each app is a different user Application’s files are private Android starts app’s process when/


Week I Security and Mobile Devices. Overview Purpose of Security Application to Mobile Devices Threats to Mobile Devices Security and the Blackberry Threats.

therefore, it requires successful use of social engineering rather than the ability to exploit flaws in the security design or configuration of the target device http://cmer.cis.uoguelph.ca23 Threats against BlackBerry Devices (Cont.) –Worms replicate themselves to spread across networks and potentially overwhelm computer systems (a worm is self-contained and does not need to be part of another program to/


Cellular Networks and Mobile Computing COMS 6998-10, Spring 2013 Instructor: Li Erran Li

Mobile Computing (COMS 6998-10) 33 iCloud (Cont’d) Check availability: URLForUbiquityContainerIdentifier: All files and directories stored in iCloud must be managed by a file presenter object, and all changes you make to those files and directories must occur through a file coordinator object. A file/ notification service – Google C2DM(not covered in this lecture) – Thialfi: reliable push notification system Track service 3/26/13 Cellular Networks and Mobile Computing (COMS 6998-10) 70 Location-Based /


Chapter 9 Operating Systems Discovering Computers Technology in a World of Computers, Mobile Devices, and the Internet.

9 Operating Systems Discovering Computers Technology in a World of Computers, Mobile Devices, and the Internet Objectives Overview Define an operating system Describe the start-up process and shutdown options on computers and mobile devices Explain how an operating system provides a user interface, manages programs, manages memory, and coordinates tasks Describe how an operating system enables users to configure devices, establish an Internet connection, and monitor performance Identify file management/


The Personal Server Changing the Way We Think About Ubiquitous Computing Roy Want, et al. / Intel Research UBICOMP 2002 Nov. 21. 2005 Seungjae Lee

personal server 9 / 13 Architectural Issues & Future Works  Discovery delay  Privacy & security  Adaptive user interfaces  Usage models  Power management  Distributed file systemsMobile execution  Industrial design 10 / 13 Conclusion  Utilizing computers in the local environment Considerably improves the mobile user experience Allows the mobile device itself to disappear from a users interaction  Enabling factors High-density portable storage devices Low-power, high-performance processors Short/


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