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PITB Mock Interview Experience

Last Updated : 07 Nov, 2023
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PITB (Punjab Information Technology Board) at Arfa Tower, Lahore, Pakistan.

I had a chance to give a mock interview with the respected CTO of PITB.

I wanted to share the questions he asked me, so that if you guys apply to such opportunities you should have prepared these as well.

The Questions were:

  • What was the hardest problem you faced at the University
  • How did you solve it
  • What steps does SDLC include
  • If you were to be assigned a project, what would be the first step to follow?
  • What is DSA
  • What are some data structures
  • Coding Problems:
  1. Given an Array of N size, calculate the total sum of “even values” and return it
  2. Reverse a Linked List
  • What concepts are in OOP
  • Describe polymorphism
  • How Polymorphism and Inheritance differ
  • What are Static and Dynamic Data Structures
  • How is Time Complexity calculated / in what notation
  • The time complexity of Finding elements within the array
  • What is BST, What is its time complexity
  • What are Entity, Attributes in DB
  • What is ERD (also known as Model diagram)
  • Showcase the Relationship between two entities (with ERD), Create Shema for it as well
  • What is there are many to many relations between two entities (with ERD), Create a Schema for it as well
  • What is Logical and Physical View (ERD & Schema)
  • What is Normalization
  • Pros and Cons of Normalization
  • What is Cohesion & Coupling
  • What is Vertical & Horizontal Scaling
  • What are some important considerations to make an App Like Foodpanda or even Uber?

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