Apple iOS Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apple iOS Interview Questions

Questions Answers Views Company eMail

Explain your process for tracing and fixing a memory leak iOs?

SwanSoft Technologies,

899

What is code signing in iOS operating system?

CDC,

854

What are layer objects and what do they represent in iOS operating system?

CDC,

844

What is fast enumeration in iOS operating system?

B-Ways TecnoSoft,

917

What is the difference between delegates and notifications in iOS operating system?

B-Ways TecnoSoft,

882

What is dynamic typing in iOS operating system?

CDC,

885

Implement the following methods: retain, release, auto release in iOS operating system?

CDC,

852

What is dynamic in iOS operating system?

B-Ways TecnoSoft,

1058

What is atomic and nonatomic in iOS operating system? What is run loop in iOS ?

CDC,

887

What is a struct in iOS operating system?

B-Ways TecnoSoft,

822

Explain the difference between NSOperationQueue concurrent and non-concurrent in iOS operating system?

B-Ways TecnoSoft,

893

Which class will be subclassed in iOS operating system?

B-Ways TecnoSoft,

853

What is view object in iOS operating system?

B-Ways TecnoSoft,

985

Explain the options and bars available in xcode 4.x workspace window in iOS operating system

CDC,

861

What is the difference between retain & assign in iOS operating system?

B-Ways TecnoSoft,

1052

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Un-Answered Questions { Apple iOS }

What is an ios framework?

886

What are the location services?

869

Explain steps for using coredata?

991

Mention what is the use of po command in xcode?

865

Define cocoa?

838

What is ios selector?

855

What design patterns do you use in ios? : IOS Architect

797

What is view object in iOS operating system?

985

What is mvc design pattern in ios?

993

Different types of persistent stores? Which all types can we have on ios?

867

What manual memory management ? How it work?

884

Can we use ssl to encrypt the app communication?

837

Explain the difference between coredata & sqlite?

844

Explain me what is fast enumeration?

919

When dealing with property declarations, what is the difference between atomic and non-atomic?

1541

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