Two marks Questions with Answers

Two Marks Questions with Answers

Q.1 What is iOS SDK ?

Ans. The iOS Software Development Kit (SDK) contains the tools and interfaces needed to develop, install, run and test native apps that appear on an iOS device's Home screen.

Q.2 What is media layer in iOS ?

Ans. The media layer contains technologies to implement multimedia functions, such as graphics, Audio, Video, and Airplay. It contains frameworks for audio/video codecs and OpenGL features.

Q.3 Explain iOS architecture.

Ans. iOS architecture is written in Objective-C language and comprised of four layers, Cocoa touch, Media, Core service and Core OS. System interfaces are provided by framework, which contains libraries and resources such as header and image.

Q.4 List framework used in Core OS layer.

Ans. Frameworks are accelerate framework, core bluetooth framework, external accessory framework, generic security services framework, security framework, system and 64-Bit Support.

Q.5 What is Android ?

Ans. Android is a Linux based operating system it is designed primarily for touch screen mobile devices such as smart phones and tablet computers. The hardware that supports android software is based on ARM architecture platform. The android is an open source operating system means that it's free and any one can use it.

Q.6 What is Dalvik Virtual Machine ?