Soliton Technologies Senior Project Engineer Interview Questions and Answers

C programs and linked list related programs. In c mainly focus on strings and arrays

Q1. C concepts like storage classes, pointers and protocols like spi, i2c
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Q2. Explain about Extern What's the difference between static and extern
Ans. 
Extern and static are storage classes in C programming language.
• Extern is used to declare a variable or function that is defined in another file.

• Static is used to declare a variable or function that is only accessible within the same file.

• Extern variables have global scope while static variables have local scope.

• Extern functions can be used in other files while static functions cannot be used outside the file they are
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Round duration - 40 minutes
Round difficulty - Medium

Data structures were asked like linked list and stacks. Hashmaps were also there. some basic questions of DBMS were asked and the interviewer asked if i know networking for which i said no. After that there was a 5 minute simple straightforward round with H.R

Q1. 
Middle of a Linked List
You are given the head node of a singly linked list. Your task is to return a pointer pointing to the middle of the linked list.
If there is an odd number of elements, return the ...read more
Ans. 
Return the middle node of a singly linked list, considering odd and even number of elements.
• Traverse the linked list with two pointers, one moving twice as fast as the other

• When the fast pointer reaches the end, the slow pointer will be at the middle

• Return the node pointed by the slow pointer
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Test conducted by company and it was easy

Q1. What is compilation procrss
Ans. 
Compilation process is the process of converting source code into machine code by a compiler.
• Source code is written in a high-level programming language

• Compiler translates the source code into machine code

• Compilation involves multiple steps like lexical analysis, syntax analysis, optimization, and code generation
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Q2. Explain pointers
Ans. 
Pointers are variables that store memory addresses of other variables or functions.
• Pointers are used to access and manipulate memory directly.

• They are often used in dynamic memory allocation.

• Pointers can be used to pass variables by reference.

• Example: int *ptr; ptr = # *ptr = 10; // num now equals 10
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Q1. OOPS concept and All Major pillars with Scanrio-based questions asked on Abstract class and Interface
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Q2. .Net MVC and .Net Core based on program.cs file and Dependency Injection and Middleware in deep
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Q3. Pattern question and check string Palindrome
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Q4. SQL Queries around 4th highest salary of Employee
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Q5. All basic programming concept checking like having prefix and postfix expression problem solving on paper
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Q1. TechnoManagerial Round Collection question to find about number of character present in the word Mirafra with live coding F2F
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Q2. API testing ang REST API Concept
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Q3. Professional Journey
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Q4. Project Details
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Q1. It was a director round but say you need to give again technical round ,they wasted my time and money.
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Q2. SQL Queries on pen and paper
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Q1. Questions related to wireless communication concepts
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Q2. C and c++ coding concepts
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Q1. Why are you looking for change
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Q2. Are you ready to relocate
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Q1. Mostly c question
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Q2. Structure padding
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Q1. Ipc, mutex and semaphore
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Q1. Normal discussion
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Q1. Multiple C, C++ DSA Questions
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