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 the difference between stack and heap memory?

439

Explain the difference between strong and retain.

411

In which language ios is written?

451

What are ios functions?

453

What coding language is used for ios apps?

434

What does ios stand for in texting?

418

What is gcd ios?

511

What is gcd in ios swift?

462

What is ios selector?

422

What is a memory leak in ios?

421

What is array in ios?

435

What is block in ios swift?

490

What is block in ios?

457

What is callback in ios?

452

What is category and extension in ios?

435

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Un-Answered Questions { Apple iOS }

What is nsobject in ios?

447

what are fetched properties? How do you create a fetched property?

445

Can we adjust the size of photos uploaded from the app?

426

Define 'weak' keyword?

463

Explain differentiate between release and pool drain?

444

What kind of database is realm?

492

List the devices compatible with ios 11? : IOS Architect

408

What is core data in ios swift?

437

What is meaning of 'nonatomic' keyword?

503

Define iterator protocol?

470

What is active state in ios?

442

What is nsmanagedobjectcontext?

486

How to parse xml?

452

Is it safe to update to ios 13?

449

Define view object in iOS operating system?

480

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