NXP Semiconductors Interview Questions, Process, and Tips

Three coding questions and MCQ's

Q1. Live coding, mostly questions based on C pointers
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Q2. Types of Memory Allocations in C
Ans. 
Types of memory allocations in C include static, dynamic, and automatic.
• Static memory allocation: memory is allocated at compile time and remains constant throughout the program's execution. Example: int x = 5;

• Dynamic memory allocation: memory is allocated at runtime using functions like malloc() or calloc(). Example: int *ptr = (int*)malloc(sizeof(int));

• Automatic memory allocation: memory is allocated on the stack and...read more
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Q3. Pointers in C - Types of pointers
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Pointers in C are variables that store memory addresses. Types include null pointers, void pointers, function pointers, etc.
• Null pointers: int *ptr = NULL;

• Void pointers: void *ptr;

• Function pointers: int (*ptr)(int, int);
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It was basic coding question and aptitude.

Q1. About project in detail?
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Q2. They mostly asked about c programming, stages of c program and their functions, bit manipulation
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Q1. Difference between authorization and authentication. Linker file basics. Write your own Memcpy function. Which mac is the fastest?
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Q1. Why you want to join NXP?
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Q1. Basic self introduction questions, about the experience, family background,some case study questions, salary expectations etc...
Ans. Interview with country head , checking the skill of writing and speaking.
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Q1. Write a program for an ATM machine to get minimum no. of notes.
Ans. 
Program to calculate minimum number of notes for ATM withdrawal
• Create an array of available note denominations

• Sort the array in descending order

• Initialize a counter variable to keep track of the number of notes

• Iterate through the array and divide the withdrawal amount by each note denomination

• Update the counter variable with the quotient

• Update the withdrawal amount with the remainder

• Repeat the above steps until the wit...read more
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Q2. Can we pass an array to function.
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Yes, an array can be passed to a function in embedded firmware programming.
• Arrays can be passed to functions by specifying the array name as the argument.

• The function can then access and manipulate the elements of the array.

• Example: void printArray(int arr[], int size) { ... }

• Example: int main() { int myArray[] = {1, 2, 3}; printArray(myArray, 3); }
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Q1. What are your salary expectations
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Exam duration - 1hr
General Aptitude
Questions - Easy to medium level

Duration 1 hr
Questions- Easy to medium level

Q1. Tell me about yourself
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Q2. Why did you choose this program
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