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.

752

What is a retain cycle?

698

What is memory management handled on ios?

744

Explain the difference between bounds and frame?

789

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

760

What is wildcard app ids?

856

From which ios version, arc is supported?

766

What are advantages of arc over mrc?

791

Explain application sandboxing.

720

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

665

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

784

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

715

Explain difference between mrc and arc?

788

What are layers?

773

What is nsmanagedobjectcontext? What are the different concurrency types?

697

Un-Answered Questions { Mobile OS }

What is delegate method?

763

Explain me what is android sdk?

879

What are disadvantages of android?

951

What are services in android and what is its type?

900

What does android 9 pie do?

841

How do I change the root password in ubuntu terminal?

705

Explain parent-child context setup. What are the advantages?

714

How to add an element into an array?

767

What is view controller xcode?

805

Can I run ubuntu from a usb drive?

640

Can I boot ubuntu from usb?

735

What are the advantages of blackberry technology?

804

How can one address and manage ip using the ubuntu cloud?

677

What is the first responder?

728

What is nsuserdefaults? What type of data can we store there?

774

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