Mobiveil Technologies India IOT Engineer Interview Questions, Process, and Tips

Q1. Explain storage variables in C?
Ans. 
Storage variables in C are used to store data temporarily during program execution.
• Storage variables in C are declared using data types like int, float, char, etc.

• They can be stored in different memory locations like stack, heap, or data segment.

• Variables declared outside functions have global scope and are stored in data segment.

• Variables declared inside functions have local scope and are stored in stack memory.

• Dynami...read more
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Q2. Take two numbers, reverse both, then perform addition and reverse again?
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Q3. First three kinds of sorting
Ans. 
The first three kinds of sorting are bubble sort, selection sort, and insertion sort.
• Bubble sort compares adjacent elements and swaps them if they are in the wrong order.

• Selection sort selects the smallest element and swaps it with the first element, then selects the second smallest element and swaps it with the second element, and so on.

• Insertion sort builds the final sorted array one item at a time by inserting each
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Q4. Output questions based on pointers in C
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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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