Preview Questions Electronics Engineer | Role Specific Skill

Question 1: In troubleshooting a signal path, if there is a significant phase shift between the input and output signals, what could be the issue?

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Incorrect resistor values in the feedback loop

An incorrectly configured amplifier stage

Faulty ground connections

Incorrect capacitor values in the filter

Question 2: How is the total resistance calculated in a circuit with resistors in parallel?

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Product of resistances divided by the sum

Difference of the resistances

Sum of the individual resistances

Sum of the reciprocals of the resistances

Question 3: What is the main advantage of using a bootloader in an embedded system?

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It allows the system to recover from hardware failures

It improves the operating speed of the processor

It saves power during idle times

It enables software updates without external tools

Question 4: How would you implement a debounce algorithm for a mechanical switch in embedded C?

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Check switch state in an interrupt handler

Use a hardware filter

Use a delay loop

Implement a timer-based software solution

Question 5: What is the primary purpose of using bit manipulation in embedded programming?

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To increase the interrupt response time

To optimize code for execution speed

To control individual bits in hardware registers

To reduce the memory footprint of variables

Question 6: What does the term "ground bounce" refer to in PCB testing?

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Voltage fluctuations on the ground plane

Signal reflections on a trace

Thermal expansion of PCB material

Noise induced by power supply fluctuations