These are the most frequently asked topics in Embedded Interview.

Embedded Interview Topics

C Language Topics

1. Common Inetrview Questions
2. Compilation Steps
3. Memory Layout of the Program
4. Enum In C Language
5. Macro Vs Inline
6. Pointers in C Basic
7. Pointers in C Advanced
8. Different Types of Pointers in C
9. Const and Volatile In C (Qualifiers)
10. Storage Class in C (Auto, Static, Extern, Register)
11. TypeCasting in C
12. TypeDef in C
13. Bitwise Operator in C
14. Stringizing and Token Pasting Operator in C
15. Data Structures
16. Stack Data Structure
17. Queue Data Structure
18. Linked List
19. Sorting
20. Structure Padding and Packing
21. Callback Functions
22. Function Pointers

Communication Protocol Topics

1. Serial Communication 
2. I2C Bascis
3. I2C Advanced
4. SPI

Embedded Topics

1. Interrupt Concepts
2. RTOS Basics
3. RTOS Advanced
4. Stack Pointer and Program Pointer
5. What happens when you press the reset button in the microcontroller?

Linux Device Driver

1. Device Driver Introduction
2. WaitQueues
3. Top Half and Bottom Half in Interrupts
4. Signals to User Space

Linux Application

1. TCP & UDP (Sockets)
2. Fork, Vfork, Exec
3. Signals
4. Threads