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Western Digital SDE (Software Development Engineer) Interview Questions and Answers

Updated 22 Jul 2021

Western Digital SDE (Software Development Engineer) Interview Experiences

1 interview found

I applied via Campus Placement and was interviewed in Jun 2021. There were 4 interview rounds.

Interview Questionnaire 

5 Questions

  • Q1. 1) Tell me about yourself.
  • Q2. 2) 4 pillars of oops concept.
  • Ans. 

    4 pillars of OOPs: Abstraction, Encapsulation, Inheritance, Polymorphism.

    • Abstraction: Hiding implementation details and showing only necessary information.

    • Encapsulation: Binding data and functions together and restricting access to them.

    • Inheritance: Creating new classes from existing ones, inheriting properties and methods.

    • Polymorphism: Ability of objects to take on multiple forms or behaviors.

  • Answered by AI
  • Q3. 3) implement queue using stack
  • Ans. 

    Implement a queue using stack

    • Use two stacks, one for enqueue and one for dequeue

    • When dequeue is called, pop all elements from enqueue stack and push to dequeue stack

    • Then pop from dequeue stack to get the first element added to the queue

    • When enqueue is called, simply push the element to enqueue stack

  • Answered by AI
  • Q4. 4)Merge sort
  • Q5. 5) Dynamic programming question

Interview Preparation Tips

Interview preparation tips for other job seekers - One need to have a good knowledge of Dats structure and Algorithms

Skills evaluated in this interview

Interview questions from similar companies

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - One-on-one 

(1 Question)

  • Q1. C++ oops concepts , 1 coding question
Round 3 - HR 

(1 Question)

  • Q1. General questions like what you want to pursue in future

Interview Preparation Tips

Interview preparation tips for other job seekers - Good knowledge of DSA , C++ concepts should suffice

Interview Questionnaire 

2 Questions

  • Q1. What's the function of wire harness.
  • Ans. 

    A wire harness is a collection of wires, cables, and connectors that transmit electrical signals and power between different components in a system.

    • Wire harnesses provide a neat and organized way to route and protect wires in a system.

    • They ensure proper connectivity and prevent wire damage or short circuits.

    • Wire harnesses simplify troubleshooting and maintenance by allowing easy identification and replacement of faulty...

  • Answered by AI
  • Q2. What is the function of sputtering.
  • Ans. 

    Sputtering is a process used in manufacturing to deposit thin films of material onto a surface.

    • Sputtering is a physical vapor deposition technique.

    • It involves bombarding a target material with high-energy ions or atoms.

    • This bombardment dislodges atoms from the target material, which then deposit onto a substrate.

    • Sputtering is commonly used in the production of semiconductor devices, solar cells, and thin film coatings.

    • ...

  • Answered by AI
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-

I applied via Company Website and was interviewed before May 2023. There was 1 interview round.

Round 1 - Aptitude Test 

Questions related to digital and Analog electronics were asked

Interview experience
3
Average
Difficulty level
Hard
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Jul 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Technical 

(1 Question)

  • Q1. Questions about Thermal basics. JD also about melting point temperatures
Round 3 - HR 

(1 Question)

  • Q1. Salary negotiations and joining date details
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Apr 2023. There were 3 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Write code on Merge sort
  • Ans. 

    Merge sort is a divide and conquer algorithm that divides the input array into two halves, recursively sorts them, and then merges the sorted halves.

    • Divide the array into two halves

    • Recursively sort each half

    • Merge the sorted halves back together

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. Explain on PCA , SVM and image processing concepts
  • Ans. 

    PCA is a dimensionality reduction technique, SVM is a machine learning algorithm, and image processing involves manipulating images.

    • PCA (Principal Component Analysis) is used to reduce the dimensionality of data by finding the most important features.

    • SVM (Support Vector Machine) is a supervised machine learning algorithm used for classification and regression tasks.

    • Image processing involves techniques like filtering, s...

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. Tell me about your project challenges

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Jun 2022. There were 5 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Technical 

(3 Questions)

  • Q1. Questiones based on past experience and projects
  • Q2. Reason for switching the job
  • Q3. Knowledge of CAD softwares
Round 3 - Technical 

(7 Questions)

  • Q1. What is sub cooling in air conditioning?
  • Ans. 

    Sub cooling in air conditioning is the process of cooling the refrigerant below its saturation temperature to improve system efficiency.

    • Sub cooling increases the efficiency of the air conditioning system by ensuring the refrigerant is in a liquid state before entering the expansion valve.

    • It helps in preventing flash evaporation of the refrigerant, which can lead to inefficiencies in the system.

    • Sub cooling is typically ...

  • Answered by AI
  • Q2. How is ISEER rating calculated
  • Ans. 

    ISEER rating is calculated based on the weighted average of the cooling performance of an air conditioner under different conditions.

    • ISEER = (Weighted Cooling Capacity at 100% load x 0.4) + (Weighted Cooling Capacity at 75% load x 0.2) + (Weighted Cooling Capacity at 50% load x 0.4)

    • The higher the ISEER rating, the more energy efficient the air conditioner is.

    • ISEER rating helps consumers compare the energy efficiency of...

  • Answered by AI
  • Q3. Draw the Refrigeration cycle
  • Ans. 

    The refrigeration cycle is a thermodynamic cycle used in refrigerators and air conditioning systems to transfer heat from a low temperature to a high temperature environment.

    • The cycle consists of four main components: compressor, condenser, expansion valve, and evaporator.

    • The refrigerant enters the compressor as a low-pressure gas and leaves as a high-pressure, high-temperature gas.

    • The high-pressure gas then flows into...

  • Answered by AI
  • Q4. Mainstream refrigerants used in household air conditioning
  • Ans. 

    Mainstream refrigerants used in household air conditioning include R-410A, R-22, and R-134a.

    • R-410A is a popular refrigerant known for its high efficiency and environmental friendliness.

    • R-22, although being phased out due to its ozone-depleting properties, is still commonly found in older air conditioning systems.

    • R-134a is commonly used in automotive air conditioning systems but can also be found in some household units

  • Answered by AI
  • Q5. Explain 1 ton cooling concept
  • Ans. 

    1 ton cooling concept refers to the amount of heat required to melt one ton of ice in a 24-hour period.

    • 1 ton of cooling is equal to 12,000 BTUs per hour

    • It is commonly used in the HVAC industry to measure the cooling capacity of air conditioning systems

    • For example, a 2-ton air conditioner can remove 24,000 BTUs of heat per hour

  • Answered by AI
  • Q6. Relation between current, voltage and power
  • Ans. 

    The relationship between current, voltage, and power is described by Ohm's Law, which states that current is directly proportional to voltage and inversely proportional to resistance.

    • Ohm's Law states that V = I * R, where V is voltage, I is current, and R is resistance.

    • Power (P) is calculated using the formula P = V * I, where P is power, V is voltage, and I is current.

    • In a circuit with a constant resistance, an increa...

  • Answered by AI
  • Q7. Conversion from BTU to watts and vice versa
  • Ans. 

    1 BTU is approximately equal to 0.29307107 watts. To convert BTU to watts, multiply by 0.29307107. To convert watts to BTU, divide by 0.29307107.

    • 1 BTU = 0.29307107 watts

    • To convert BTU to watts, multiply by 0.29307107

    • To convert watts to BTU, divide by 0.29307107

  • Answered by AI
Round 4 - Psychometric Test 

(1 Question)

  • Q1. No questions just test
Round 5 - HR 

(5 Questions)

  • Q1. Would you be comfortable to regularly work extra hours?
  • Q2. Introduction about yourself?
  • Q3. Why do you want to join LG/ consumer durable industry?
  • Q4. If your manager and colleagues are busy with work , how will you manage to learn the things from them?
  • Q5. Present Salary and expected salary

Interview Preparation Tips

Interview preparation tips for other job seekers - Just be confident. And make LG as your last option if you want to go in consumer durable industry.

Interview Questionnaire 

1 Question

  • Q1. All technical questions raised
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-

I applied via Job Portal

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - HR 

(1 Question)

  • Q1. Past experience and salary exp.
Round 3 - One-on-one 

(1 Question)

  • Q1. Kpi and past exp disc.

Interview Questionnaire 

1 Question

  • Q1. Stge concepts, vSAN, RAID, basic testing, OS concepts, NVMe, SATA, SAS
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Western Digital Interview FAQs

What are the top questions asked in Western Digital SDE (Software Development Engineer) interview?

Some of the top questions asked at the Western Digital SDE (Software Development Engineer) interview -

  1. 2) 4 pillars of oops conce...read more
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Western Digital SDE (Software Development Engineer) Salary
based on 5 salaries
₹15.8 L/yr - ₹19.2 L/yr
36% less than the average SDE (Software Development Engineer) Salary in India
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