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iPhone Interview Questions

Q   |   QA

In 2007, Apple entered the cellular phone business with the introduction of the iPhone, a multi-touch display cell phone, which also includes the features of iPod.

An iPhone app is a program that runs on our iPhone/iPod Touch. It enables us to accomplish a certain task. They could be utility apps, games, enterprise apps, entertainment apps, apps to access our bank account etc.

Some popular apps are:

  • Face book-Social networking
  • Doodle Buddy-drawing
  • Pandora Radio-radio on our iPhone
  • Yelp-restaurant reviews

  • Give our business a whole new way of transacting business for millions of users.
  • iPhones are the market leaders in the smart phone segment.
  • The iPhone has become a great device to surf the internet, play games, interact with social networks and transact business.

Requirements to develop iPhone Apps:

  • Mac OS 10.5/10.6
  • iPhone SDK(Software Development Kit 3.0/4.0)

iPhone SDK consists:

  • IDE to develop iPhone Apps is XCode(This tool is inbuilt in iPhone SDK)
  • Interface Builder-This is used to design GUI of Apps(Inbuilt feature of iPhone SDK)
  • Instruments - This is used to check any memory leaks in our apps(Inbuilt in SDK)
  • Simulator - This is used to test our apps before deploying into real device.

You can find the App Store inside the iTunes Store. Click iTunes Store on the left hand side of the iTunes window. Then click the App Store category in the iTunes Store window. You can use the iTunes Store to download music, movies, TV Shows, and more (availability of certain types of media does vary by country). To change countries, scroll to the end of the iTunes Store home page and click the flag indicating the current country. To choose a different country, click the appropriate flag.

In general, applications are compatible with iPod touch and iPhone. However, games found in the iPod Games section, separate from the App Store, are only compatible with iPod nano (3rd generation), iPod nano (4th generation), iPod nano (5th generation), iPod classic, and iPod (5th generation). Make sure to carefully review the Requirements section for each application prior to purchase, in order to ensure that your iPod is compatible.

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