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

Mobile OS Interview Questions

Questions Answers Views Company eMail

Explain xctest test case code.

761

What is a retain cycle?

712

What is memory management handled on ios?

754

Explain the difference between bounds and frame?

801

How you will store user info (username, password or token) securely in ios?

770

What is wildcard app ids?

868

From which ios version, arc is supported?

774

What are advantages of arc over mrc?

801

Explain application sandboxing.

729

Have you uploaded app on appstore? What is the process?

673

What is difference between unit tests and ui test in xcode?

804

Why do we override drawrect: method? How to explicitly call it?

727

Explain difference between mrc and arc?

793

What are layers?

784

What is nsmanagedobjectcontext? What are the different concurrency types?

711

Un-Answered Questions { Mobile OS }

What's ubuntu good for?

655

Where is httputility class, since there is no system.windows.browser namespace?

1031

How do I change the user in ubuntu?

634

Explain enum?

777

Which kind of information about the application androidmanifest.xml file contains?

845

Why is inheritance not desirable in swift?

789

Which is the highest android version?

1021

Define intents in android?

936

Tell me what is fast enumeration?

766

What is the difference between an implicit intent and explicit intent?

1053

Define Android application resource files?

838

What is the open handset alliance?

890

What is use of nsoperation?

765

What is the difference between a file, a class and an activity in android?

952

Explain formal protocols?

755

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