Grundfos Pumps Software Development Engineer Interview Questions and Answers

30 question of c code snippet 5 question of aptitude and 2 coding question

Q1. Storage class in c
Ans. 
Storage classes in C define the scope and lifetime of variables.
• There are 4 storage classes in C: auto, register, static, and extern.

• Auto variables are stored in memory and have local scope.

• Register variables are stored in CPU registers for faster access.

• Static variables retain their value between function calls.

• Extern variables are declared outside of any function and can be accessed by other files.
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Q2. Mutex and semaphore
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Q1. Questions were asked on Recursive programming
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Q2. What is the output of this? static void Main(string[] args) { DivideNumber(233) } static void DivideNumber(int n) { if(n>=10) { DivideNumber(n/10); } Console.Write(n/10) }
Ans. 
The output will be 23323
• The DivideNumber method recursively divides the input number by 10 until it is less than 10

• The Console.Write statement prints the result of n/10 each time the method is called
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Q3. Write Code If Input is 123, output should be "One Hundred Twenty Three";
Ans. 
Convert numeric input to words in English
• Break down the input number into hundreds, tens, and ones place

• Use a dictionary or array to map numbers to their corresponding words

• Handle special cases like teens and tens separately
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Aptitude test, quant, grammer, logical

Q1. General Questiones
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Q1. Basics and Intermediate level
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Q1. Behaviour and Logicals
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On campus drive - 1 st round was aptitude and coding with technical and quantitative aptitude questions, and 2 easy level programming questions .

Group discussion on latest general topics ( rarely few groups got technical topics).

Q1. Questions based on area of Interest and the projects done.
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Q2. 1. Teach me Object oriented programming. (Consider I have no programming knowledge and don't understand classes and objects as such. - Explain using realtime examples.)
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Q3. What is the difference between aggregation and composition? Abstract class vs interface.
Ans. 
Aggregation is a 'has-a' relationship where one object contains another object, while composition is a stronger form of aggregation where the contained object has no independent existence.
• Aggregation is a weaker relationship where one object 'has-a' another object, but the contained object can exist independently.

• Composition is a stronger relationship where one object is composed of another object, and the contained ob...read more
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Q4. Why do we need DBMS? What are views, procedures and triggers?
Ans. 
DBMS is needed to efficiently store, retrieve, and manage data. Views, procedures, and triggers are database objects used for data manipulation and automation.
• DBMS is needed to ensure data integrity, security, and consistency.

• Views are virtual tables that display data from one or more tables based on a query.

• Procedures are reusable sets of SQL statements stored in the database for execution.

• Triggers are special stored ...read more
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Q1. Behaviour oriented questions. Where do you see yourself five years from now? (Questions to check the approch and intent of the candidate).
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Q1. Given some problem statemts and asked to write the pseudo code,
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Q2. What is Async and Await.
Ans. 
Async and Await are keywords in JavaScript used to handle asynchronous operations in a synchronous manner.
• Async is used to define a function as asynchronous, allowing it to run in the background without blocking the main thread.

• Await is used to pause the execution of an async function until a Promise is settled, and then resumes the function with the resolved value.

• Async functions always return a Promise, which allows ...read more
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