Mobile OS Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Mobile OS Interview Questions

Questions Answers Views Company eMail

Compare and contrast the different ways of achieving concurrency in os x and ios.

527

are you using charlesproxy ? Why/why not ?

479

How could you setup live rendering ?

499

What is dependency management?

443

What’s the difference between not-running, inactive, active, background and suspended execution states?

416

What is the use of double question marks (“??”) ?

433

What are b-trees?

467

What is a memory leak?

488

Why don’t we use strong for enum property in objective-c ?

610

What is gcd? How is it used?

433

Why do we use synchronized ?

458

What widgets can not do ?

503

What is synchronous vs. Asynchronous in gcd ?

460

What is the ? In swift?

476

What is @synthesize in objective-c ?

471

Un-Answered Questions { Mobile OS }

Multitasking support is available from which version in iOS operating system?

508

What is ppp protocol? Explain ppp packet format.?

588

what is bundle in android and how it is different from parcel?

487

what is dalvik virtual machine in android?

520

How service is implemented?

499

What is uri and order of dialog box button?

528

What's the difference between file, class and activity in android?

797

Is the main thread called the ui thread?

509

What is a job scheduling?

494

What language is swift most similar to?

435

What is an Intent in Android?

568

Is ios development hard?

480

How do you fix app errors on iphone?

423

Suppose I am trying to sign in to my blackberry internet service account, but I am getting this error message: “the user id and password provided are invalid. Please re-enter your user id and password and try again.” What should I do?

419

What are intents?

503

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