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A Survey on Architectures of Mobile Operating Systems: Challenges and Issues
International Journal of Research Studies in Computer Science and Engineering (IJRSCSE) Volume 2, Issue 3, March 2015, PP 73-76 ISSN 2349-4840 (Print) & ISSN 2349-4859 (Online) www.arcjournals.org A Survey on Architectures of Mobile Operating Systems: Challenges and Issues Prof. Y. K. Sundara Krishna1 HOD, Dept. of Computer Science, Krishna University Mr. G K Mohan Devarakonda2 Research Scholar, Krishna University Abstract: In the early years of mobile evolution, Discontinued Platforms Current mobile devices are enabled only with voice services Platforms that allow the users to communicate with each other. Symbian OS Android But now a days, the mobile technology undergone Palm OS IOS various changes to a great extent so that the devices Maemo OS Windows Phone allows the users not only to communicate but also to Meego OS Firefox OS attain a variety of services such as video calls, faster Black Berry OS browsing services,2d and 3d games, Camera, 2.1 Symbian OS: This Operating system was Banking Services, GPS services, File sharing developed by NOKIA. services, Tracking Services, M-Commerce and so many. The changes in mobile technology may be due Architecture: to Operating System or Hardware or Network or Memory. This paper presents a survey on evolutions SYMBIAN OS GUI Library in mobile developments especially on mobile operating system Architectures, challenges and Issues in various mobile operating Systems. Application Engines JAVA VM 1. INTRODUCTION Servers (Operating System Services) A Mobile operating system is a System Software that is specifically designed to run on handheld devices Symbian OS Base (File Server, Kernel) such as Mobile Phones, PDA’s. -
How Ios 7 Stacks Up:Smartphone OS User Experience Shootout
How iOS 7 Stacks Up: Smartphone OS User Experience Shootout a Pfeiffer Report Benchmark Project www.pfeifferreport.com @pfeifferreport Introduction Why is it that the arrival of iOS 7 Whether we like it or not, We do not look at features, we do not smartphones have become a compare cutting-edge options and is necessarily a momentous software game. Take any recent gadgets, we only look at aspects event for the smartphone top-of-the-line smartphone, and you that have a direct impact on the are likely to get a well-designed, fast, day-to-day user experience of an market? Simple: Unlike any other pleasant to use bit of hardware: fluid average, non-technical user. operating system out there, it will operation, responsive interaction, fast The aspects we have surveyed and be in the hands of millions or tens graphics. The difference of user rated are the following: experience, therefore, stems of millions of users within a few cognitive load, efficiency, almost exclusively from the customization, as well as user days after its launch. operating system, the user interface experience friction. Based on And that will make it a force to be design, the application integration, the the results from these benchmarks overall coherence. we have then established an overall reckoned with. This report compares the five Mobile Operating System User major mobile operating systems Experience Index presented at the * The question is, of course: in use today: iOS 7, iOS 6, Android , end of this document. Windows Phone 8, and Blackberry 10, The benchmarks are based on the How good is it really? and rates them in terms of user Pfeiffer Consulting Methodology experience. -
Meego Smartphones and Operating System Find a New Life in Jolla Ltd
Jolla Ltd. Press Release July 7, 2012 Helsinki, Finland FOR IMMEDIATE RELEASE MeeGo Smartphones and Operating System Find a New Life in Jolla Ltd. Jolla Ltd. is an independent Finland based smartphone product company which continues the excellent work that Nokia started with MeeGo. The Jolla team is formed by directors and core professionals from Nokia's MeeGo N9 organisation, together with some of the best minds working on MeeGo in the communities. Jussi Hurmola, CEO Jolla Ltd.: "Nokia created something wonderful - the world's best smartphone product. It deserves to be continued, and we will do that together with all the bright and gifted people contributing to the MeeGo success story." Jolla Ltd. will design, develop and sell new MeeGo based smartphones. Together with international private investors and partners, a new smartphone using this MeeGo based OS will be revealed later this year. Jolla Ltd. has been developing a new smartphone product and the OS since the end of 2011. The OS has evolved from MeeGo OS using Mer Core and Qt with Jolla technology including its own brand new UI. The Jolla team consists of a substantial number of MeeGo's core engineers and directors, and is aggressively hiring the top MeeGo and Linux talent to contribute to the next generation smartphone production. Company is headquartered in Helsinki, Finland and has an R&D office in Tampere, Finland. Sincerely, Jolla Ltd. Dr. Antti Saarnio - Chairman & Finance Mr. Jussi Hurmola - CEO Mr. Sami Pienimäki - VP, Sales & Business Development Mr. Stefano Mosconi - CIO Mr. Marc Dillon - COO Further inquiries: [email protected] Jolla Ltd. -
ECE 471 – Embedded Systems Lecture 8
ECE 471 { Embedded Systems Lecture 8 Vince Weaver http://www.eece.maine.edu/∼vweaver [email protected] 26 September 2013 Announcements • HW#2 is delayed • Read chapter 11 in textbook 1 Brief Overview of the Gumstix Overo Board TODO: Put a diagram here More details after boards are distributed. 2 Coding Directly for the Hardware One way of developing embedded systems is coding to the raw hardware, as you did with the STM Discovery Boards in ECE271. • Compile code • Prepare for upload (hexbin?) • Upload into FLASH • Boots to offset 3 • Setup, flat memory (usually), stack at top, code near bottom, IRQ vectors • Handle Interrupts • Must do I/O directly (no drivers) Although if lucky, can find existing code. 4 Instead, one can use an Operating System 5 Why Use an Operating System? • Provides Layers of Abstraction { Abstract hardware: hide hardware differences. same hardware interface for classes of hardware (things like video cameras, disks, keyboards, etc) despite differing implementation details { Abstract software: with VM get linear address space, same system calls on all systems { Abstraction comes at a cost. Higher overhead, unknown timing 6 • Multi-tasking / Multi-user • Security, permissions (Linus dial out onto /dev/hda) • Common code in kernel and libraries, no need to re- invent 7 What's included with an OS • kernel / drivers { Linux definition • also system libraries { Solaris definition • low-level utils / software / GUI { Windows definition Web Browser included? • Linux usually makes distinction between the OS Kernel and distribution. OSX/Windows usually doesn't. 8 Operating Systems Types • Monolithic kernel { everything in one big address space. -
2014 BT Compatibility List 20141030
Item Brand Name Model 1 Acer Acer beTouch E210 2 Acer acer E400 3 Acer acer P400 4 Acer DX650 5 Acer E200 6 Acer Liquid E 7 Acer Liquid Mini (E310) 8 Acer M900 9 Acer S110 10 Acer Smart handheld 11 Acer Smart handheld 12 Acer Smart handheld E100 13 Acer Smart handheld E101 14 Adec & Partner AG AG vegas 15 Alcatel Alcatel OneTouch Fierce 2 16 Alcatel MISS SIXTY MSX10 17 Alcatel OT-800/ OT-800A 18 Alcatel OT-802/ OT-802A 19 Alcatel OT-806/ OT-806A/ OT-806D/ OT-807/ OT-807A/ OT-807D 20 Alcatel OT-808/ OT-808A 21 Alcatel OT-880/ OT-880A 22 Alcatel OT-980/ OT-980A 23 Altek Altek A14 24 Amazon Amazon Fire Phone 25 Amgoo Telecom Co LTD AM83 26 Apple Apple iPhone 4S 27 Apple Apple iPhone 5 28 Apple Apple iPhone 6 29 Apple Apple iPhone 6 Plus 30 Apple iPhone 2G 31 Apple iPhone 3G 32 Apple iPhone 3Gs 33 Apple iPhone 4 34 Apple iPhone 5C 35 Apple iPHone 5S 36 Aramasmobile.com ZX021 37 Ascom Sweden AB 3749 38 Asustek 1000846 39 Asustek A10 40 Asustek G60 41 Asustek Galaxy3_L and Galaxy3_S 42 Asustek Garmin-ASUS M10E 43 Asustek P320 44 Asustek P565c 45 BlackBerry BlackBerry Passport 46 BlackBerry BlackBerry Q10 47 Broadcom Corporation BTL-A 48 Casio Hitachi C721 49 Cellnet 7 Inc. DG-805 Cellon Communications 50 C2052, Technology(Shenzhen) Co., Ltd. Cellon Communications 51 C2053, Technology(Shenzhen) Co., Ltd. Cellon Communications 52 C3031 Technology(Shenzhen) Co., Ltd. Cellon Communications 53 C5030, Technology(Shenzhen) Co., Ltd. -
Augmented Reality
Augmented Reality: A Review of available Augmented Reality packages and evaluation of their potential use in an educational context November 2010 Stephen Rose Dale Potter Matthew Newcombe Unlocking the Hidden Curriculum University of Exeter Learning and Teaching Innovation Grants (04/08) 2 Contents 1. Augmented Reality Page 4 2. Augmented Reality in Education 6 3. Augmented Reality Applications 8 3.1 Marker-based Augmented Reality 8 3.2 Markerless Augmented Reality 10 4. Available Augmented Reality Technologies 12 4.1 Current Smartphone Ownership Patterns 12 4.2 Platforms 16 4.3 AR Software 19 5. Technical Considerations 22 5.1 Limitations of Current Platforms 24 6. Choosing an Augmented Reality System 24 7. Glossary 28 8. References 29 9. Appendix 1: Unlocking the Hidden Curriculum - a JISC- 31 funded Learning and Teaching Innovation Project at the University of Exeter This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 2.0 Licence. To view a copy of this licence, visit: http://creativecommons.org/licenses/by-nc-sa/2.0/uk or send a letter to: Creative Commons, 171 Second Street, Suite 300, San Francisco, California, 94105, USA. 3 1. ‘Augmented Reality’ Every now and again a ‘new technology’ appears which seems to capture the public imagination. Invariably the technology enables a new means of interacting with screen-based entertainment or a computer game - 3DTV, the Nintendo Wii. The proliferation of so-called ‘smartphones’ with their abilities to run once-complex computer applications, in-built cameras and ‘GPS’ capability has unleashed the potential of ‘Augmented Reality’ – to date a regular feature of science fiction or ‘near future’ movies. -
A Survey Onmobile Operating System and Mobile Networks
A SURVEY ONMOBILE OPERATING SYSTEM AND MOBILE NETWORKS Vignesh Kumar K1, Nagarajan R2 (1Departmen of Computer Science, PhD Research Scholar, Sri Ramakrishna College of Arts And Science, India) (2Department of Computer Science, Assistant Professor, Sri Ramakrishna College Of Arts And Science, India) ABSTRACT The use of smartphones is growing at an unprecedented rate and is projected to soon passlaptops as consumers’ mobile platform of choice. The proliferation of these devices hascreated new opportunities for mobile researchers; however, when faced with hundreds ofdevices across nearly a dozen development platforms, selecting the ideal platform is often met with unanswered questions. This paper considers desirable characteristics of mobileplatforms necessary for mobile networks research. Key words:smart phones,platforms, mobile networks,mobileplatforms. I.INTRODUCTION In a mobile network, position of MNs has been changing due todynamic nature. The dynamic movements of MNs are tracked regularlyby MM. To meet the QoS in mobile networks, the various issuesconsidered such as MM, handoff methods, call dropping, call blockingmethods, network throughput, routing overhead and PDR are discussed. In this paper I analyse the five most popular smartphone platforms: Android (Linux), BlackBerry, IPhone, Symbian, and Windows Mobile. Each has its own set of strengths and weaknesses; some platforms trade off security for openness, code portability for stability, and limit APIs for robustness. This analysis focuses on the APIs that platforms expose to applications; however in practice, smartphones are manufactured with different physical functionality. Therefore certain platform APIs may not be available on all smartphones. II.MOBILITY MANAGEMENT IP mobility management protocols proposed by Alnasouri et al (2007), Dell'Uomo and Scarrone (2002) and He and Cheng (2011) are compared in terms of handoff latency and packet loss during HM. -
Sailfish OS Interview Questions and Answers Guide
Sailfish OS Interview Questions And Answers Guide. Global Guideline. https://www.globalguideline.com/ Sailfish OS Interview Questions And Answers Global Guideline . COM Sailfish OS Job Interview Preparation Guide. Question # 1 Tell us what you know about Sailfish OS? Answer:- Sailfish is a Linux-based mobile operating system developed by Jolla in cooperation with the Mer project and supported by the Sailfish Alliance. It is to be used in upcoming smartphones by Jolla and other licencees. Although it is primarily targeted at mobile phones, it is also intended to support other categories of devices. Read More Answers. Question # 2 Explain Sailfish OS Components? Answer:- Jolla has revealed its plans to use the following technologies in Sailfish OS: The Mer software distribution core A custom built user interface HTML5 QML and Qt Read More Answers. Question # 3 Do you know about Sailfish OS software availability? Answer:- Sailfish will be able to run most applications that were originally developed for MeeGo and Android, in addition to native Sailfish applications. This will give it a large catalogue of available apps on launch. Considering upon Jolla's declarations that Sailfish OS is be able to use software from following platforms Sailfish (natively created + ported like from Qt, Symbian, MeeGo - developers have reported that porting a Qt written software with Sailfish SDK takes a few hours only) Android applications are directly running in Sailfish OS. They are compatible as they are in third-party Android stores, with no needed modification (in most cases). MeeGo (because of backward compatibility thanks to MeeGo code legacy included in the Mer core) Unix and Linux (as Sailfish is Linux then using such a software is possible, especially RPM packages, either in terminal/console mode or with limitations implying from using Sailfish UI, if not ported and adjusted) HTML5 Read More Answers. -
Nokia 603 User Guide
Nokia 603 User Guide Issue 2.0 2Contents Contents Organise your apps 35 Nokia Store 35 Safety 5 Telephone 37 Call a phone number 37 Get started 6 Search for a contact from the dialler 38 Keys and parts 6 Call a contact 38 Insert the SIM card 6 Switch the loudspeaker on during a Insert a memory card 8 call 39 Charge your phone 10 Make a conference call 39 Switch the phone on or off 11 Call the numbers you use the most 40 Lock or unlock the keys and screen 12 Use your voice to call a contact 40 Change the volume of a call, song, or Make calls over the internet 41 video 13 Call the last dialled number 42 Nokia account 13 Record a phone conversation 42 Copy contacts or photos from your Turn to silence your phone 42 old phone 13 View your missed calls 43 Antennas 14 Call your voice mailbox 43 Headset 15 Forward calls to your voice mailbox or About NFC 15 another phone number 43 Activate NFC 16 Prevent making or receiving calls 44 Connect to a Bluetooth accessory Allow calls only to certain numbers 45 using NFC 16 Attach the wrist strap or lanyard 17 Contacts 45 Use the user guide in your phone 17 About Contacts 45 Save phone numbers and mail Basic use 18 addresses 45 Use the toolbar 18 Save a number from a received call or Touch screen actions 18 message 46 Use shortcuts 21 Contact your most important people Switch between open applications 21 quickly 46 Write text 22 Add your important contacts to the Display indicators 26 home screen 47 Set your phone to blink for missed Add a picture for a contact 47 calls or messages 27 Set a ringtone for -
HTC Unveils Its Newest Flagship, the HTC U12+
Bigger, Bolder, and Edgier Than Ever: HTC Unveils Its Newest Flagship, the HTC U12+ ‘Live on the Edge’ with the HTC U12+ featuring Edge Sense 2 for unparalleled one-handed use on a big 6” phone, plus the highest-rated dual camera, USonic personalized audio, and stunning Liquid Surface design TAIPEI – May 23, 2018 – In its latest showcase of cutting-edge innovation, unrivaled usability, and extraordinary design, HTC today unveiled the HTC U12+. The U12+ is HTC’s biggest and boldest flagship phone ever, including a vivid 6” display with cinematic 18:9 widescreen, yet it is also easier to use with Edge Sense 2 for intuitive one-handed interaction for snapping photos, calling up voice assistants, or virtually anything you may want to do. There is simply no other phone as big, beautiful, and easy to use as the HTC U12+. Features of the HTC U12+ include: Edge Sense 2: A new touch feedback experience turn the edges of U12+ into the easiest and most intuitive way to interact with your phone. The new Edge Sense knows which hand you are using, giving you one-handed freedom to double tap to navigate the device, hold to lock the screen orientation, or squeeze the sides for taking photos and videos, zooming in on maps, and virtually any interaction. The highest-rated dual camera: Two cameras on the front and back deliver beautifully artistic photos with DSLR-like bokeh. UltraSpeed Autofocus 2 includes full sensor phase detection autofocus and new laser autofocus to ensure you never miss your shot, while HDR Boost 2 lets you take fantastic photos in any lighting condition. -
Developing Your App for Nokia: Symbian Belle, NFC, the Next Billion and Windows Phone! Andreas Jakl Senior Technical Consultant Nokia
Developing your App for Nokia: Symbian Belle, NFC, the next billion and Windows Phone! Andreas Jakl Senior Technical Consultant Nokia 1 © 2011 Nokia Developing your App for Nokia Mobile2Days, Sofia November 4, 2011 Andreas Jakl Agenda • Platforms & Development – Series 40 (Asha) – Windows Phone (Lumia) – MeeGo Harmattan, Symbian Belle: Qt – Now & Future (Qt Project) • Near Field Communication (NFC) • Nokia Store 2 © 2011 Nokia Developing your App for Nokia Mobile2Days, Sofia November 4, 2011 Andreas Jakl Nokia World & Qt Dev Days 3 © 2011 Nokia Developing your App for Nokia Mobile2Days, Sofia November 4, 2011 Andreas Jakl Nokia World & Qt Dev Days 4 © 2011 Nokia Developing your App for Nokia Mobile2Days, Sofia November 4, 2011 Andreas Jakl Nokia World & Qt Dev Days 5 © 2011 Nokia Developing your App for Nokia Mobile2Days, Sofia November 4, 2011 Andreas Jakl Nokia World & Qt Dev Days 6 © 2011 Nokia Developing your App for Nokia Mobile2Days, Sofia November 4, 2011 Andreas Jakl Platforms & Development 7 © 2011 Nokia Developing your App for Nokia Mobile2Days, Sofia November 4, 2011 Andreas Jakl Your Development Options Series 40 Symbian MeeGo / Maemo Windows Phone Java Silverlight Native (Qt) XNA Web 8 © 2011 Nokia Developing your App for Nokia Mobile2Days, Sofia November 4, 2011 Andreas Jakl Series 40 (Asha) 9 © 2011 Nokia Developing your App for Nokia Mobile2Days, Sofia November 4, 2011 Andreas Jakl Series 40 Java Nokia SDK for Java http://www.developer.nokia.com/Develop/Java/ 10 © 2011 Nokia Developing your App for Nokia Mobile2Days, Sofia November 4, 2011 Andreas Jakl New Java APIs • Nokia Maps for Java • Extension to existing Location API – Cell-ID based Location • System Information extension – Dual SIM – Battery level, network status, etc. -
The Usage of Smartphone and Mobile Applications from the Point of View of Customers in Poland
information Article The Usage of Smartphone and Mobile Applications from the Point of View of Customers in Poland Witold Chmielarz Faculty of Management, University of Warsaw, 00-927 Warsaw, Poland; [email protected] Received: 20 March 2020; Accepted: 15 April 2020; Published: 17 April 2020 Abstract: The main objective of this article was to identify the conditions for the use of smartphones and mobile applications in Poland in the second half of 2018. The scope of the present analysis was limited to a selected sample of more than 470 respondents, and it examined the group of the most active users of smartphones and mobile applications. The author adopted the CAWI (computer associated web interview) method, which was previously verified by a randomly selected pilot sample, in his study. The obtained results were compared with the findings of other studies. They indicated that users of smartphones and mobile applications in Poland do not differ in their assessments from users in Europe and around the world. In this context, the key implication for researchers is the identified level of development of the use of smartphones and mobile applications in Poland at the end of 2018. The main limitation of the research was the selection of the research sample, which consisted only of members of the academic community. The scope of this article aimed to fill a gap in terms of the quantitative and qualitative methods that are applied to examine the use of mobile devices and mobile software. At the same time, this study creates the foundations for further research on intercultural differences.