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:
- Given an Array of N size, calculate the total sum of “even values” and return it
- 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?