TCL Failure Analysis Technician Interview Questions and Answers

It was open coding contest called Ode 2 Code organised on hackerearth. Top 100 students got interview calls

Q1. This was a 1:1 online technical interview.
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Q2. Basic question on web development, regarding projects in resume. 1 problem solving question and DSA basics
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Q3. I was asked to explain merge sort
Ans. 
Merge sort is a divide and conquer algorithm that divides the input array into two halves, sorts each half, and then merges the sorted halves.
• Divide the array into two halves

• Recursively sort each half

• Merge the sorted halves back together
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Q1. Why to join WD?
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WD offers exciting opportunities for growth and innovation in the software engineering field.
• Opportunity to work on cutting-edge technologies

• Collaborative and supportive work environment

• Career development and growth opportunities

• Strong company culture and values

• Global presence and diverse projects
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Q2. Detect loop in linked list
Ans. 
Use Floyd's Tortoise and Hare algorithm to detect loop in linked list.
• Initialize two pointers, slow and fast, at the head of the linked list.

• Move slow pointer by one step and fast pointer by two steps.

• If they meet at any point, there is a loop in the linked list.
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Q3. What are different product of WD?
Ans. 
WD offers a variety of products including external hard drives, internal hard drives, SSDs, and network attached storage devices.
• External hard drives

• Internal hard drives

• SSDs

• Network attached storage devices
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Q4. Do you want to ask any questions?
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There was a coding round on techgig which i cleared

Q1. I was invited to the technical round which was also online
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Q2. I could not attend the online technical round
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Q3. 2 questions on dsa
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2 ad-hoc coding questions :

1st was related to the incremental sorting of an array.
2nd was related to adding logic to a function snippet.

Q1. Personals and educational background
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Q2. Logic of binary tree, heap, doubly link list
Ans. 
Binary tree is a tree data structure where each node has at most two children, heap is a specialized tree-based data structure, doubly linked list is a linked list where each node points to both the next and previous nodes.
• Binary tree: each node has at most two children, left child and right child. Example: binary search tree.

• Heap: a complete binary tree where the value of each node is greater than or equal to the valu...read more
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Q3. Questions around final year project
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Q1. Personals and cultural fit round
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Q1. What about you.What you know skills . Explain.
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Implement multiple inheritance concepts in java.

Q1. What is inheritance in java
Ans. 
Inheritance is a mechanism in Java where a class acquires the properties and methods of another class.
• It allows for code reusability and promotes a hierarchical relationship between classes.

• The subclass inherits all the non-private members (fields, methods) of the superclass.

• The keyword 'extends' is used to create a subclass.

• Example: class Dog extends Animal {}

• The subclass can override the methods of the superclass to
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