Biofourmis Interview Questions and Answers

Medium DSA questions

Q1. String subsequence based question
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Q2. Only one question
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Q1. Manual testing questions
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Q2. Real world scenarios eg : test case for attachment uploading etc.
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They asked me to complete a coding test involving one data structure and algorithm (DSA) problem.

Q1. Some kotlin and android related question as well as OOPs consept
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That would be online Test with 12 questions MCQ and 1 coding question. 12 MCQ questions would be related to technology and bascis, coding question would alos be basic

Q1. All Technical related, mostly related to swift ARC, Queues, Threading, unit test cases
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Q2. Concepts of memory ARC in Swift
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Memory ARC in Swift manages memory by automatically deallocating objects when they are no longer needed.
• ARC stands for Automatic Reference Counting

• ARC keeps track of how many references exist to an object

• When the reference count drops to zero, the object is deallocated

• Weak references are used to avoid retain cycles
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Q3. Generics in Swift
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Generics in Swift allow you to write flexible, reusable functions and types that can work with any type.
• Generics enable you to write functions and types that can work with any type, without specifying the actual type until the function or type is used.

• You can define generic functions, methods, classes, structures, and enumerations in Swift.

• Example: func swapTwoValues(_ a: inout T, _ b: inout T) { let temp = a; a = b; b...read more
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Q4. MVC vs MVVM in swift
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MVC focuses on separating data, presentation, and user interaction, while MVVM adds a ViewModel to handle logic and data binding.
• MVC stands for Model-View-Controller, where the controller handles user input, the model manages data, and the view displays the data. Example: UIKit in iOS development.

• MVVM stands for Model-View-ViewModel, where the ViewModel acts as an intermediary between the model and view, handling data ...read more
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Q5. Optionals, Protocols and Delegates, LifeCycle
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An app with Login screen with authentication in MVVM