Silicon Labs Embedded Software Intern Interview Questions and Answers

C program to find address of pointer

Q1. What is the difference between structure and union
Ans. 
Structure is a data type that allows storing different data types in a single variable, while union is a data type that allows storing only one value at a time.
• Structure allows storing multiple data types in a single variable, while union allows storing only one value at a time

• In structure, each member has its own memory location, while in union all members share the same memory location

• Example: struct Person { char na...read more
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Q2. What is the volatile keyword and it's purpose
Ans. 
The volatile keyword is used in C/C++ to indicate that a variable may be changed unexpectedly by external factors.
• Used to prevent compiler optimizations that assume the variable's value will not change.

• Commonly used for variables shared between threads or accessed by interrupt service routines.

• Example: volatile int sensorValue; // variable updated by hardware interrupts
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Linked list , data structures

Q1. Explain about yourself
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Q2. Asked past experience
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Q1. Basic C concepts like pointers, strings, array, patterns
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Q1. Question about pattern displaying.
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Q1. Storage classes
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Q2. Coding ques on c
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Q3. Single linked list
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