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iPhone Operating System :

iPhone Operating System Presented By Safoora Anjum 08J01A1227

Overview of Presentation:

Overview of Presentation Introduction to iOS Previous Versions iOS Technology Layers Features of iOS5 Applications Advantages Future Enhancement Conclusion


Introduction iOS comprises the operating system and technologies that you use to run applications natively on devices, such as iPad, iPhone, and iPod touch. iOS was designed to meet the needs of a mobile environment, the technologies are available only on iOS, such as the Multi-Touch interface and accelerometer support. It not only manages power efficiently but also delivers outstanding battery life. iOS even ensures that performance and battery life don’t suffer even if you are you’re multitasking. Apple makes both the iPhone hardware and the operating system, everything works together seamlessly and intelligently. iPhone and iOS are made to be used around the world. The user interface is localized into over 30 languages, and you can easily switch between them.

History of iOS:

History of iOS Initially, third-party applications were not supported. Later with the efforts of Steve Jobs, On October 17, 2007, Apple announced that a native Software Development Kit (SDK) was under development On March 6, 2008, Apple released the first beta, along with a new name for the operating system: "iPhone OS". On January 27, 2010, Apple announced the iPad, featuring a larger screen than the iPhone and iPod touch, and designed for web browsing, media consumption, and reading iBooks. In June 2010, Apple rebranded iPhone OS as "iOS". The operating system was unveiled with the iPhone at the Macworld Conference & Expo, January 9, 2007. not specify a separate name for the operating system

Previous Versions:

Previous Versions iOS4: Apple released iOS4 in an effort to reduce the strain on Apple's servers. iOS4 was the first version of the OS to be a free upgrade on the iPod touch. iOS4.0.1 : There were several antenna issues in the previous version, iOS4.0.1 included a fix to the reception signal strength indicator. iOS4.1: iOS4.1 for the iPhone and iPod touch was released with an update fixed some bugs reported by users, improved battery life and added several new features such as Game Center. iOS4.2 :iOS4.2 was never released but instead iOS4.2.1 was released which added iPad compatibility. Further on iOS4.2.5 was released as a demo version for the CDMA version of the iPhone 4 . iOS4.3 : The public release of iOS4.3 included many new features such as a Nitro JavaScript engine in Safari. iTunes Home Sharing also received a major revision in iOS4.3 ; it allows users to connect to their home Wi-Fi networks .


Features Game Center: The most significant feature in iOS4.1 is the Apple’s new Game Center social gaming service. Folders: IOS 4 came with the introduction of a simple folder system. Camera & Photos: iOS 4.1 also makes some enhancements to the iPhone Camera and Photos apps, providing support for High Dynamic Range photos, HD video uploads and improved camera controls on the iPhone 4 and 4 G iPod touch. Bluetooth AVRCP Support : iOS 4.1 provide full AVRCP support for Bluetooth accessories, allowing for not only play/pause control but also track navigation

iOS Technology Layers:

iOS Technology Layers iOS, there are four abstraction layers: the Core OS layer, the Core Services layer, the Media layer, and the Cocoa Touch layer. The kernel in iOS is based on a variant of the same basic Mach kernel that is found in Mac OS X. Core OS Layer Core Os Layer Manage the virtual memory system, threads, the file system, the network, and interprocess communication with the frameworks in the Core OS layer. This layer encompasses the kernel environment, drivers, and basic interfaces of iOS.

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Core Services Layer Core Services layers contain the fundamental interfaces for iOS, including those used for accessing files, low-level data types, Bonjour services, network sockets, and so on. These interfaces are mostly C-based . Media Layer Media Layer allows you to create the best multimedia experience available on a mobile device with the frameworks in the Media layer. More advanced technologies that use interfaces based on a mixture of C and Objective-C is used in Media Layer. Cocoa Touch Layer Implementation of a graphical, event-driven application in iOS with the frameworks is performed in the Cocoa Touch Layer. In the Cocoa Touch layer, most of the technologies use Objective-C. The frameworks at these layers provide the fundamental infrastructure used by your application.

Features of iOS5 :

Features of iOS5 iOS 5.0 and its features were announced on June 6. iOS 5 introduced the iCloud service and the Notification Center, as well as improvements to native apps such as Camera. Notification Center All Your Alerts at one Place. You get all kinds of notifications on your iOS device: new email, texts, friend requests, and more . iMessage iPod and iPad touch join the conversation You can send unlimited text messages via Wi-Fi or 3 G from your iPad, iPhone or iPod touch to anyone with one of those devices.

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News stand A custom news stand for all your subscriptions iOS 5 organizes your magazine and newspaper app subscriptions in Newsstand: a folder that lets you access your favorite publications quickly and easily. Reminders A better way to do to dos A reminder lets you organize your life in to-do lists — complete with due dates and locations. Twitter Integrated right into iOS 5 iOS 5 makes it even easier to tweet from your iPhone, iPad, or iPod touch. Sign in once in Settings, and suddenly you can tweet

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Camera and Photos Capture and Organize them The new camera features in iOS 5 is the best way to capture unexpected moments and organize your photos in albums — right on your device. Safari Even Better site seeing iOS 5 brings even more web-browsing features to iPhone, iPad, and iPod touch. PC free Independence for all iOS Devices With iOS 5, you no longer need a computer to own an iPad, iPhone, or iPod touch. Game center iOS is the world’s most popular gaming platform. With iOS 5, you can get your game face on with even more Game Center features.

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Wi-Fi Sync Wirelessly sync your iOS device to your Mac or PC over a shared Wi-Fi connection. AirPlay Mirroring AirPlay now supports video mirroring. Everyone in the room sees exactly what’s on your iPad or iPhone display up on the big screen Accessibility iOS 5 comes with innovative new features that make it easier for people with mobility, hearing, vision, and cognitive disabilities to get the most from their iOS devices.


Applications The applications of iOS are classified into Primary and secondary applications. Primary Application Name Use First appearance iPhone iPod touch iPad Phone Telephone, FaceTime video calling 1.0 (FaceTime 4.0) FaceTime 4.1 FaceTime 4.3 Mail E-mail client 1.0 1.1.3 3.2 Safari Web browser 1.0 Music (formerly iPod; combines "Music" and "Video") Portable media player

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Secondary Applications Name Use Version included iPhone iPod touch iPad Messages Text messaging, MMS, message instant messaging 1.0 (MMS 3.0, iMessage 5.0) iMessage 5.0 iMessage 5.0 Calendar Calendar 1.0 3.2 Photos Photo viewer 1.0 (Video viewer 2.0) 3.2 Camera Camera, Camcorder 1.0 Video recording and auto-focus iPhone 3GS (3.0) onwards 720p HD video iPhone 4 (4.0) HDR iPhone 4 (4.1) Crop, red eye fix, auto enhance and photo rotate (5.0) 4.1 (4th generation only) Crop, red eye fix, auto enhance and photo rotate (5.0)(4th generation only) 4.3 Crop , red eye fix, auto enhance and photo rotate (5.0) (iPad 2 only) You Tube You Tube video streamer 1.0 3.2 FaceTime Video calling 4.0 (iPhone 4, via Phone app) 4.1 (4th generation) 4.3 (iPad 2) Stocks Yahoo! Finance 1.0 N/A Maps Google Maps 1.0 (Assisted GPS 2.0) 1.0 3.2 Weather Yahoo! Weather 1.0 N/A

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Notes A simple note-taking program 1.0 3.2 Newsstand A newspaper and magazine store 5.0 Reminders A to-do list application 5.0 Clock World clock, stopwatch, alarm clock and timer 1.0 N/A Calculator Calculator (includes scientific version) 1.0 N/A Settings Settings 1.0 3.2 Tunes Access to the iTunes Music Store and iTunes Podcast Directory 1.1 3.2 App Store To buy iOS apps 2.0 3.2 Compass Compass 3.0 N/A 3.2 Contacts Address/phone book 1.0 1.1 3.2 Nike + iPod Records the distance and pace of a walk or run; can connect to Nike + iPod sensor 3.0 (iPhone 3GS onwards) 2.2.1+ (2nd Generation onwards) N/A contacts Allows the user to play multiplayer games with other users, track in game achievements and view leader boards. 4.1 (iPhone 3GS onwards) 4.1 (2nd Generation onwards) 4.2 (4.2.1 to public) Photo Booth A camera application with added special effects N/A N/A 4.3 (iPad 2) Voice Control Siri a personal voice assistant, Simple voice control 3.0 (Siri 5.0) 3.0) N/A


Advantages Elegant and intuitive interface : the revolutionary Multi-Touch interface in iOS was designed for your finger. And the simple, beautiful Home screen is the easiest place to start Multitasking: In newer iOS devices, multitasking is supported through seven background. The world’s largest collection of mobile apps: iOS is the platform for the world’s largest collection of mobile apps. Apple gives third-party developers a rich set of tools and APIs. Performance and stability that lead the industry: performance in iOS is fast and stability is rock-solid. It manages power efficiently and delivers outstanding battery life. Hardware and software made for each other: Apple makes both the iPhone hardware and the operating system, everything works together seamlessly and intelligently.

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Safe and secure by design : iOS is highly secure, All apps run in a safe environment. so a website or app can’t access data from other apps. It comes with built-in parental controls : Parental controls built into iOS help you manage just about everything your child can do on iPhone. Ready for business: Businesses around the world are choosing iPhone for its enterprise-ready features and powerful security. Works all over the world : iPhone and iOS are made to be used around the world. The user interface is localized into over 30 languages, the keyboard is software-based, you can select from over 50 different layouts

Hardware Features:

Hardware Features Siri. The intelligent assistant that helps you get things done. All you have to do is ask. Just talk to Siri .It not only understands what you say, it knows what you mean. It figures out the right apps to use to find the right answer. Dual-core A5 chip. The most powerful iPhone ever. Two cores in the A5 chip deliver up to two times more power and up to seven times faster graphics and you’ll feel the effects. The you-can’t-believe-it’s-on-a-phone camera. This is just the best camera ever on a phone. And with all-new optics, you’ve got 8-megapixel resolution and a custom lens.

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iCloud. Your content. On all your devices. iCloud is the easiest way to manage all your stuff, because it manages it all for you. Retina display. Clearly remarkable. The Retina display is the highest-resolution phone screen ever. In fact, the pixel density is so high that the human eye is unable to distinguish individual pixels.

Future enhancement:

Future enhancement The iOS 5 is the most advanced mobile operating system. There is a potential in this technology to be enhanced further due to its features and can lead the Mobile OS industry and always be ahead SDK: The iOS SDK Allows the third Party Developers to develop Applications for iOS. All the Resources are made available. Apple makes SDKs available for specific versions of iOS. Using these SDKs allows you to build against the headers and libraries of an operating system version other than the one you're running on.


Conclusion iOS is the world’s most advanced mobile platform, constantly redefining what’s possible on a mobile device. As Apple makes both the iPhone hardware and the operating system, everything works together seamlessly and intelligently. iOS even ensures that performance and battery life don’t suffer when you’re multitasking with multiple apps open at the same time With its easy-to-use interface, amazing features, and rock-solid stability, iOS is the foundation of iPhone. And even as others try to catch up, the technologies and features built into iOS keep iPhone years ahead.

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