Preview Questions Software Engineer (Embedded) | Role Specific Skill

Question 1: When integrating external sensors with embedded software, what is the most common source of communication failure?

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Incorrect sensor calibration values

Insufficient memory allocation for sensor data

Misconfigured GPIO pins for data transmission

Incorrect baud rate or timing mismatch between hardware and software

Question 2: What is a common symptom of incorrect clock configuration in hardware-software integration?

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Communication protocol failure

Peripheral overheating

Reduced firmware size

Increased power consumption

Question 3: What is a common cause of "hard faults" in embedded systems?

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Memory leaks

Stack overflow

Inefficient variable assignment

Incorrect use of interrupts

Question 4: What is the function of the ACK (Acknowledgment) in I2C communication?

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It triggers a reset of the communication bus

It checks for data integrity

It synchronizes the clock signal

It indicates successful transmission of data

Question 5: Which of the following is a critical consideration when designing an embedded system for low power consumption?

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Reducing memory allocation size to minimize power draw

Using high-speed components to reduce processing time

Minimizing the number of active components

Using floating-point arithmetic for more efficient computation

Question 6: What is the main advantage of using DMA in embedded systems?

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Enables simultaneous data transfer and processing

Simplifies code logic

Reduces memory footprint

Reduces hardware complexity