Intelgic Interview Questions and Answers

Q1. What is ARC, and its role in memory management
Ans. 
ARC stands for Automatic Reference Counting, a memory management system used in iOS development.
• ARC automatically tracks and manages the memory used by objects in an iOS application.

• It adds and removes references to objects based on their usage, ensuring memory is properly managed.

• ARC helps prevent memory leaks and retains cycles by automatically releasing objects when they are no longer needed.
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Q2. What is optional
Ans. 
Optional is a type in Swift that represents a value that may or may not exist.
• Optional is used to handle situations where a value may be missing or not yet available.

• Optional variables can either have a value or be nil.

• Optional unwrapping is used to safely access the value of an optional variable.
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Q1. Mention two most difficult features according to you, that you've implemented in your project
Ans. 
Implementing real-time chat feature and integrating complex third-party APIs were the most difficult features in my project.
• Implementing real-time chat feature required handling multiple concurrent connections and ensuring message delivery in the correct order.

• Integrating complex third-party APIs involved understanding their documentation thoroughly, handling authentication, and troubleshooting compatibility issues.
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Q2. Related question on the above-mentioned feature
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Asked basic questions on Python -
what is a tuple, set?
how to sort a list?
Have you worked with pandas, what is a data frame?

Q1. Asked - how to add elements to a list? what is JSON? how to remove duplicate values from a list? write a code to print prime numbers from 1 to 100.
Ans. 
Adding elements to a list, understanding JSON, removing duplicates, and printing prime numbers in Python.
• To add elements to a list in Python, you can use the append() method or the extend() method.

• JSON (JavaScript Object Notation) is a lightweight data interchange format that is easy for humans to read and write, and easy for machines to parse and generate.

• To remove duplicate values from a list, you can convert the lis...read more
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Q1. Some basic HR questions - tell me about yourself. tell me the reason for pursuing this career. why are you the best fit for this role?
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Q1. Swift basics,Gcd,Closures,threading,core data
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Q1. Salary discussion and joining formalities
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