100+ Siemens Healthineers Interview Questions & Answers | Complete Prep Guide 2025

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C Developer Interview Questions & Answers

Anonymous

posted on 3 Apr 2023

Interview experience

Good

Difficulty level

Moderate

Process Duration

2-4 weeks

Result

Not Selected

I applied via LinkedIn and was interviewed in Mar 2023. 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.

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Round 2 - Technical

(3 Questions)

Q1. Object oriented programming in c++

Ans.

Object-oriented programming in C++ is a programming paradigm that uses objects to represent real-world entities.

Encapsulation, inheritance, and polymorphism are the three main pillars of OOP in C++.
Classes and objects are the building blocks of OOP in C++.
OOP in C++ allows for code reusability, modularity, and easier maintenance.
Example: A car can be represented as an object in C++ with properties like make, model, and...

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Q2. Operator overloading Restrict inheritance Const in copy constructor Minimum swap to make 3 string of equal size similar Late binding

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Q3. Const pointer and pointer to const Join in Multithreading

Ans.

Const pointer and pointer to const in multithreading

A const pointer cannot change the memory address it points to, but can change the value at that address
A pointer to const can change the memory address it points to, but cannot change the value at that address
In multithreading, const pointers can be used to ensure thread safety by preventing multiple threads from modifying the same memory location

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Round 3 - Technical

(2 Questions)

Q1. Puzzle 4 tier and one spare tier

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Q2. Why we use join in Multithreading

Ans.

Join is used to wait for a thread to finish execution before continuing with the main thread.

Join ensures that all the threads finish their execution before the main thread exits.
It is used to avoid race conditions and deadlocks.
Join can be used with detach to ensure that the thread is not left running in the background.
Example: Joining a thread that performs a time-consuming task before continuing with the main thread...

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Interview Preparation Tips

Topics to prepare for Siemens Healthineers C Developer interview:

C++
Oops
Multithreading
Dsa
Puzzle

Interview preparation tips for other job seekers - Be crisp and clear what you are telling. They will cross question from any point so be sure what u are telling to interviewer.

Skills evaluated in this interview

C Developer Interview Questions asked at other Companies

Q1. String Transformation Problem Given a string (STR) of length N, you are tasked to create a new string through the following method: Select the smallest character from the first K characters of STR, remove it from STR, and append it to the n... read more

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Graduate Engineer Interview Questions & Answers

Anonymous

posted on 28 Nov 2024

Interview experience

Excellent

Difficulty level

Moderate

Process Duration

2-4 weeks

Result

Selected

I applied via Referral and was interviewed in May 2024. There were 3 interview rounds.

Round 1 - Coding Test

120 minutes of interview, 3 dsa questions alongwith 20 technical and apti MCQ's

Round 2 - Technical

(4 Questions)

Q1. Oops and its implementation alongwith polymorphism code

Ans.

Oops is a concept in object-oriented programming that allows for code reusability and flexibility. Polymorphism allows objects of different classes to be treated as objects of a common superclass.

Oops allows for encapsulation, inheritance, and polymorphism in programming.
Polymorphism allows for methods to be overridden in subclasses, providing flexibility in code.
Example: Oops can be implemented by creating classes for...

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Q2. Write matrix multiplication using multithreading

Ans.

Matrix multiplication using multithreading involves dividing the matrix into smaller parts and assigning each part to a separate thread for parallel computation.

Divide the matrices into smaller submatrices to be processed by different threads.
Assign each submatrix multiplication operation to a separate thread for parallel computation.
Combine the results from each thread to get the final result of the matrix multiplicat

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Q3. SDE puzzles from GFG

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Q4. Projects and why you implemented this tech stack

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Round 3 - HR