Covalience Interview Questions and Answers

Q1. List tuple python memory management Codig question RestAPIs HTTP methods State Management UI
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Q1. Implement readers-writer lock
Ans. 
A readers-writer lock allows concurrent access for readers and exclusive access for writers, ensuring data consistency.
• Readers can access the resource simultaneously, improving performance.

• Writers require exclusive access, blocking readers during write operations.

• Use a counter to track active readers and a mutex for writers.

• Example: In a database, multiple queries can read data while updates are restricted.
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Q1. What is VTable and VPtr
Ans. 
VTable is a table of function pointers used in object-oriented programming to implement polymorphism. VPtr is a pointer to the VTable.
• VTable is used to store pointers to virtual functions in a class.

• VPtr points to the VTable of an object to enable dynamic dispatch of virtual functions.

• VTable and VPtr are used in C++ to implement polymorphism and dynamic binding.
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Q1. It was more into problem solving using python
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Basic quantitative, logical reasoning along with few technical questions

Q1. Core subjects on opps, Ds, and resume based
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Q1. Tell me about yourself
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Mcqs based on aptitude and cs fundamentals

Q1. Insertion sort,merge sort,array sum using recursion,puzzles,DBMS
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Q1. About latest technologies like cloud computing
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