SmartDV Technologies VLSI Engineer Trainee Interview Questions and Answers

It consists of Computer Science subjects and 2 to 3 apptitudee majorly os and c++

3 question s are provided and they are from strings 2d array and graph

Q1. Matrix multiplication
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Q2. Valid paranthis or not and other dsa related questions
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Q1. About my project s
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Q2. Doubly linked list implementation
Ans. 
A doubly linked list is a data structure where each node contains a reference to the next and previous nodes.
• Nodes have two pointers: one to the next node and one to the previous node.

• Insertions and deletions can be done efficiently at both ends of the list.

• Traversal can be done in both directions.

• Example: DoublyLinkedListNode { data, prev, next }
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Q1. Some scenario based question
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Q2. And general questions
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Contains 2 coding questions

Q1. Oops, computer architecture based questions
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Q2. Operating system questions
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Q3. Print the matrix in spiral
Ans. 
Print a matrix in spiral order
• Start by printing the first row from left to right

• Then print the last column from top to bottom

• Continue in a spiral pattern until all elements are printed
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Q4. Computer architecture based questions
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Q5. Tree, linkedlist based questions
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Coding has been asked

Q1. About programming
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Q1. Basics general questions
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Verbal,logical thiniking questions

Medium level questions like 2d array reverse , sort 2d array

Objective test,coding test,technical test

Python,c++,java,html,css

Python question was there and it was average level not tough

Simple coding questions which was good to go

Q1. General ops concepts
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Q1. Coding with technical questions
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Q1. General questions
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Level of difficulty - Hard and very strong understanding in python required to clear this round.

Basically it consists of three questions - easy and 2 medium level questions. DSA concepts is required to clear this round.

Q1. How to rotate a matrix?
Ans. 
To rotate a matrix, transpose it and then reverse each row or column depending on the direction of rotation.
• Transpose the matrix by swapping elements across the diagonal

• For clockwise rotation, reverse each row of the transposed matrix

• For anti-clockwise rotation, reverse each column of the transposed matrix
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Q2. How to find a particular element in a sorted array?
Ans. 
Use binary search to efficiently find a particular element in a sorted array.
• Start by comparing the target element with the middle element of the array.

• If the target element is less than the middle element, search the left half of the array.

• If the target element is greater than the middle element, search the right half of the array.

• Repeat the process until the target element is found or the search space is empty.
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