Aptiv Software Engineer Trainee Interview Questions and Answers

A Watchdog timer is a hardware or software mechanism that automatically resets or restarts a device if it stops responding or functioning properly.

• Watchdog timer is used to prevent system crashes or freezes by monitoring the system and resetting it if necessary.

• It is commonly used in embedded systems, where reliability is crucial.

• The timer needs to be periodically reset by the software to prevent the system from resett...read more

A compiler is a software program that translates code written in a high-level programming language into machine code.

• Converts high-level code to machine code

• Checks for syntax errors

• Optimizes code for better performance

• Examples: GCC, Clang, Visual C++

Volatile memory is temporary memory that loses its data when power is turned off.

• Volatile memory requires constant power to retain data

• Examples include RAM (Random Access Memory) and cache memory

• Data stored in volatile memory is lost when the device is turned off