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

Mobile OS Interview Questions

Questions Answers Views Company eMail

In nsfetchrequest can we fetch only a selective few attributes of an entity? How?

802

Can you pass same core data objects between different threads and modify?

779

What is category and class extension? How these differ?

799

What is nsmanagedobjectmodel?

797

How core data works to save data in persistent storage?

765

What is messaging? What is message forwarding?

812

What is nspersistentstorecoordinator?

810

What does @dynamic mean?

915

Why uicontrol is provided if we can create custom uiview?

824

What is mapping model?

806

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

824

Can I have relationship between entities in separate stores (in case of configurations)?

852

What is nspersistentstorecoordinator? What duties does it perform?

815

Explain about Viewcontroller lifecycle.

888

What are the different store migration options?

928

Un-Answered Questions { Mobile OS }

Explain the use of Internet Control Message Protocol (ICMP)?

953

Who created ubuntu?

695

How can anr be prevented?

1089

Can I install ubuntu on external hard drive?

765

Why should I use ubuntu over windows?

768

How to prevent the data from reloading and resetting when the screen is rotated?

1069

What is iphone?

927

Does swift have a runtime?

859

What are ios categories?

812

What are some measures you can take to avoid anr?

1050

What is gcd ios?

895

What is tdd (test-driven development)?

948

What is synchronization in blackberry

894

How will you create an async task in Android?

931

What dialogue boxes are supported by the android box?

1003

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