Black Box Corporation Embedded Software Engineer Interview Questions and Answers

Q1. Basic C, embedded C(interrupt,timer, counter), UART,I2C ,SPI, CAN protocol. Scheduling,alarm, events,task,
Add your answer
Q2. Explain All protocol, what is call by value, call by reference, structure, union, arrays
Ans. 
Explanation of protocols, call by value/reference, structures, unions, and arrays.
• Protocols are a set of rules for communication between devices or software components.

• Call by value passes a copy of the value to a function, while call by reference passes a reference to the value.

• Structures are user-defined data types that group related data together.

• Unions are similar to structures, but they share the same memory locat...read more
Answered by AI
Add your answer

Basic questions on C programming.

Q1. Q1. What is static, global,
Ans. 
Static and global are storage classes in C programming language.
• Static variables have a local scope but retain their value between function calls.

• Global variables have a file scope and can be accessed from any function within the file.

• Static functions have a file scope and can only be called within the file.
Answered by AI
Add your answer
Q2. Q2. Find the mistakes in the code
Ans. 
Mistakes in embedded software code
• Check for buffer overflows and memory leaks

• Ensure proper error handling and exception handling

• Verify correct usage of pointers and memory allocation

• Check for race conditions and synchronization issues

• Ensure compliance with coding standards and best practices
Answered by AI
Add your answer

Q1. Basic C, embedded C(interrupt,timer, counter), UART,I2C ,SPI, CAN protocol. Scheduling,alarm, events,task,
Add your answer
Q2. Explain All protocol, what is call by value, call by reference, structure, union, arrays
Ans. 
Explanation of protocols, call by value/reference, structures, unions, and arrays.
• Protocols are a set of rules for communication between devices or software components.

• Call by value passes a copy of the value to a function, while call by reference passes a reference to the value.

• Structures are user-defined data types that group related data together.

• Unions are similar to structures, but they share the same memory locat...read more
Answered by AI
Add your answer

30 mins - Coding, 15mins each - 3 MCQ rounds

Q1. Data Structures, Memory Management
Add your answer