Capgemini Embedded Software Lead Interview Questions and Answers

Q1. Compilation process in c
Ans. 
Compilation process in C involves preprocessing, compiling, assembling, and linking.
• Preprocessing: Includes header files, macro expansions, and conditional compilation.

• Compiling: Translates source code to assembly code specific to the target architecture.

• Assembling: Converts assembly code to machine code in object files.

• Linking: Combines object files and libraries to generate an executable file.
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Q2. Write a function pointer syntax?
Ans. 
Function pointer syntax allows for storing the address of a function in a pointer variable.
• Syntax: return_type (*pointer_name)(parameters)

• Example: void (*funcPtr)(int) = &someFunction;
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Q3. Discussion on current project?
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Q4. Reverse the string?
Ans. 
Reverse a given string
• Use a loop to iterate through the characters of the string

• Swap the characters from start to end of the string

• Continue swapping until reaching the middle of the string
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Q5. Set , clear and toggle the bit
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Q1. Mostly salary discussion
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Q2. Tell about yourself
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Q1. Volatile keyword
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Q2. Project specific
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Q1. Salary expectations
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Q2. Reason for job change
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C basics , data structure, logical questions.
, pointers

Percentage, speed, series, logical abulity, differnces

Q1. C programs, protocols, Embedded C, pointers
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Q2. Strings swapping nibbles using c
Ans. 
Swapping nibbles of strings in C
• Use bitwise operations to swap the nibbles of each character in the string

• Iterate through each character in the string and swap the nibbles

• Ensure to handle edge cases like strings with odd length or non-hex characters
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Q3. I2c, can, spi, uart
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Q1. Normal hr questions
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Q2. Self, company details
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Online c programming test using online tool

Q1. Manager level round - explain about project and area of difficulty in embedded. Which one we work and fix issue
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Q1. Discuss about offer letter
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Very basic c questions like an array

Based on embedded system

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Q1. Linked list related questions
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Q2. Memory allocation in c
Ans. 
Memory allocation in C involves dynamically allocating and deallocating memory during program execution.
• Memory allocation in C is done using functions like malloc, calloc, realloc, and free.

• malloc function is used to allocate a block of memory of a specified size.

• calloc function is used to allocate a block of memory for an array of elements, initializing all bytes to zero.

• realloc function is used to resize a previously...read more
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