National Instruments Interview Questions, Process, and Tips

It was online coding test consist of 2 question
One from DP and other graph

One question of DP within in 45 min time constraints

Q1. Floor value of square root of a number
Ans. 
Floor value of square root of a number is the largest integer less than or equal to the square root.
• The floor value of square root of a number can be found using mathematical functions like floor() or integer division.

• For example, the floor value of square root of 16 is 4, as sqrt(16) = 4.

• For non-perfect square numbers, the floor value of square root can be calculated using approximation methods.
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Level was medium to hard

Q1. Technical interview
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Q2. Questions on DSA Cs fundamentals
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Q3. Coding questions
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Q4. Ques on String array
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Q5. To print tree in anticlock wise direction
Ans. 
To print a tree in anticlockwise direction, start from the bottom left and traverse each level from right to left.
• Start from the bottom left of the tree

• Traverse each level from right to left

• Print the nodes as you traverse
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Q1. Find the highest floor, from where if an egg is dropped will not break. k floor building and n eggs are given.
Ans. 
Find the highest floor from where an egg won't break, given k floors and n eggs.
• Use binary search to minimize the number of drops.

• Start from the middle floor and drop the egg.

• If it breaks, search in the lower half, else search in the upper half.

• Repeat until the highest floor is found.
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Q2. Explain object oriented concepts and design in detail.
Ans. 
Object-oriented concepts involve creating classes and objects to organize and structure code.
• Classes define the properties and behaviors of objects

• Objects are instances of classes that can interact with each other

• Inheritance allows for the creation of subclasses that inherit properties and behaviors from a parent class

• Polymorphism allows for objects to take on multiple forms and behave differently depending on the cont...read more
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Q1. Technical Discussions on past experiences
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Q1. A discussion with hiring manager.
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