Preview Questions Software Developer (Industrial Automation) | Role Specific Skill

Question 1: What is the primary advantage of using FPGA-based embedded systems in industrial automation for chemical plants?

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High parallel processing capabilities

Low power consumption

Easy to program with limited functionality

Simple design and low cost

Question 2: Which communication protocol is most suitable for time-critical control system applications?

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REST API

PROFIBUS

EtherCAT

TCP/IP

Question 3: What is the difference between "soft" and "firm" real-time systems?

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Soft systems can tolerate occasional deadline misses; firm cannot

Firm systems are used for critical applications

Firm systems always have higher throughput

Both are interchangeable terms

Question 4: What is the main purpose of using a hardware abstraction layer (HAL) in embedded systems?

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Optimize interrupt response time

Reduce clock cycles

Simplify real-time task management

Improve portability

Question 5: For a real-time control system in a petrochemical refinery, which type of communication protocol would you choose to ensure real-time data exchange between sensors and actuators?

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Wi-Fi for wireless communication over short distances

Ethernet/IP or Modbus TCP for high-speed, low-latency communication

RS-232 for simple serial communication

Bluetooth for short-range, low-power communication

Question 6: What is the main challenge when using a multi-threaded RTOS in embedded systems?

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Task scheduling complexity

Memory fragmentation

Slow interrupt response

Synchronization issues