Mouser Electronics Associate Interview Questions and Answers

2 problem was given to solve
1) Smallest Negative balance - -----%20America%20-%20Weekly%20Algorithm%20Challenges/Week%2021%20Algorithm%20Challenge/Smallest%20Negative%20Balance.md
2) Find the absolute difference between alpha & beta from the array.
Alpha -An element k in a array occurs k consecutive time
Beta - An element k in an array occurs k consecutive time starting from index k

Sample input
Arr[] = {2,2,2,4,4,4,4,1,2,2]
Output
Alpha - 3
Beta - 1
Absolute difference - 1

Note : consider array index starts with 1

This round is classified as easy to medium.

Q1. How the current is flowed in the semiconductor
Ans. 
Current flows in a semiconductor due to the movement of charge carriers, either electrons or holes.
• Current flows in a semiconductor when charge carriers (electrons or holes) move under the influence of an applied electric field.

• In an n-type semiconductor, current is carried by electrons, while in a p-type semiconductor, current is carried by holes.

• The flow of current can be controlled by applying a voltage across the s...read more
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Q2. Questions on resistors,transistors etc
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Aptitude and Logical Reasoning - 15MCQ's in 20min
Programming - 10MCQ's in 15min
Technical - 25MCQ's in 30min
Coding - 2qns in 45min

Q1. SQL queries - Joins, specific data retrieval
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Q2. OOP concepts with example code
Ans. 
OOP concepts involve encapsulation, inheritance, and polymorphism in object-oriented programming.
• Encapsulation: bundling data and methods that operate on the data into a single unit (class). Example: class Car { private String color; public void setColor(String c) { color = c; } }

• Inheritance: creating new classes based on existing classes, inheriting their attributes and methods. Example: class SUV extends Car { privat...read more
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Q3. String questions, swapping two numbers
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Q1. Situation based questions
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Q1. Questions about UVm
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Q1. Technical Questions on Previous company work role. Basic electrical. About PLC Troubleshooting.
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Q2. On which plc's you work What idea about machines
Ans. 
I have worked on Allen Bradley, Siemens, and Mitsubishi PLCs. I have a good understanding of machines and their operations.
• I have experience working with Allen Bradley, Siemens, and Mitsubishi PLCs

• I have a good understanding of how machines operate and their components

• I am familiar with programming languages such as ladder logic and structured text

• I have worked on various types of machines including conveyor systems, p
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Q3. About sensor,contractor, wiring
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Q4. What is know about TPM
Ans. 
TPM stands for Total Productive Maintenance, a system that aims to maximize equipment effectiveness and minimize downtime.
• TPM involves all employees in the maintenance process

• It focuses on proactive maintenance to prevent breakdowns

• TPM aims to improve overall equipment effectiveness (OEE)

• It includes regular cleaning, inspection, and lubrication of equipment

• TPM also involves training employees on maintenance and safety
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Q5. About maintenance documentation
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Q6. How you handle manpower
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Arithmetic Aptitude
Number Series
Profit and Loss
Data Interpretation

Q1. Most of the questions are from JAVA, SQl and Python Situational based questions Hobbies
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Q2. Garbage Collection in Java SQL queries
Ans. 
Garbage collection in Java is an automatic process of freeing up memory by removing unused objects.
• Java uses a mark-and-sweep algorithm for garbage collection

• Objects that are no longer referenced by any part of the program are eligible for garbage collection

• System.gc() can be used to suggest garbage collection, but it is not guaranteed to run immediately

• Garbage collection can cause performance issues if not managed pro
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Round duration - 60 minutes
Round difficulty - Easy

The Technical interview was held on Zoom and the interview lasts for 1 hour. All the questions were from the skills mentioned in the resume.
Firstly interviewer asked me to give a self-introduction, later asked for a brief explanation of the projects and way of working.
Later series of questions were related to academics.
 

Q1. 
Add K Nodes Problem Statement
You are given a singly linked list of integers and an integer 'K'. Your task is to modify the linked list by inserting a new node after every 'K' node in the linked list. The...read more
Ans. Naive approach
• We will iterate through the linked list and store the sum of the nodes in a variable 'CURR_SUM' (initialized as zero) and keep a check of the number of nodes traversed since the last insertion with a variable 'NODES_TRAVERSED' (also, initialized as zero).
• As we traverse the list, we add the value to the 'CURR_SUM' and increment the value of 'NODES_TRAVERSED'.
• When the value of 'NODES_TRAVERSED'becomes equal...read more
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Q2. 
Nth Fibonacci Number Problem Statement
Calculate the Nth term in the Fibonacci sequence, where the sequence is defined as follows: F(n) = F(n-1) + F(n-2), with initial conditions F(1) = F(2) = 1.
Input:
...read more
Ans. Recursive Approach
• In this approach, we use recursion and uses a basic condition that :
  • If ‘N’ is smaller than ‘1’(N<=1) we return ‘N’
  • Else we call the function again as ninjaJasoos(N-1) + ninjaJasoos(N-2).
• In this way, we reached our answer.
Space Complexity: O(n)Explanation:
O(N),  where ‘N’ is the given number.  
As recursion uses a stack of size ‘N’
Time Complexity: O(2^n)Explanation:
O(2^N), where ‘N’ i...read more
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Round duration - 50 minutes
Round difficulty - Easy

The interview was held on Zoom and the interview lasts for 50 minutes. 
 

1.Explain how did you evolve yourself in B Tech (1-1 semester to 4-1 semester).
 

2. What do you know about Micron Technology?
 

Lastly discussed the certifications and extra circular activities I have done.