iOS Interview Questions and Answers

Last updated on Feb 10, 2022

Share

iOS, formerly known as iPhone OS, is a mobile OS created and developed by Apple for its hardware. This operating system powers most of Apple’s devices, including iPhones, iPads, and iPod Touch. iOS is the world’s second most popular mobile OS after Android. The iOS UI is based on direct manipulation by using multi-touch. Apple has been active in including accessibility functions into iOS that even enable users with vision and hearing disabilities to use its products properly. If you have read our IOS interview questions, you can find your next dream job soon.

Advantages

User-friendly
Intuitive and fluid responsive
Excellent UI that works equally good for all purposes - media entertainment, gaming and business.
Less heat generated as compared to Android.
Best-in-class security.

Most Frequently Asked iOS Interview Questions

Here in this article, we will be listing frequently asked iOS Interview Questions and Answers with the belief that they will be helpful for you to gain higher marks. Also, to let you know that this article has been written under the guidance of industry professionals and covered all the current competencies.

Q51. Can I have relationship between entities in separate stores (in case of configurations)? (No)

Answer

Q52. What are fetched properties? How do you create a fetched property?

Answer

Q53. Why do all model object attributes get marked with @dynamic and not synthesised? What does @dynamic mean?

Answer

Q54. When a NSFetchRequest fetches an entity object from store, does it fetch all of its data at once?

Answer

Q55. What is a fault?

Answer

Q56. What are transient properties?

Answer

Q57. How core Data Works to save data in Persistent storage?

Answer

Q58. What persistent storage Core data uses to save data?

Answer

Q59. How Core Data differs from SQLite?

Answer

Q60. Is Core Data is thread safe?

Answer

Development History

iOS was unveiled in 2007 by Apple for its iPhone. Since then versions have been released annually.

Latest Version: The latest version is iOS 12, which was released in September 2018. Memorize this information for IOS interview questions and answers.

Reviewed and verified by Best Interview Question

Best Interview Question

With our 10+ experience in PHP, MySQL, React, Python & more our technical consulting firm has received the privilege of working with top projects, 100 and still counting. Our team of 25+ is skilled in...

Recommended interview questions for you
Objective C Interview Questions	Swift Interview Questions
Android Interview Questions	React Native Interview Questions
Ionic Interview Questions	Xamarin Interview Questions
Kotlin Interview questions