Preview Questions Electronics Engineer | Role Specific Skill

Question 1: Which of the following is a critical factor to consider when placing decoupling capacitors on a PCB?

Which action should you take?

Choose only one option

The value of the capacitors

The type of capacitor used

The number of vias required for each capacitor

The distance between the capacitors and power pins

Question 2: Which of the following is the most important feature to enable when debugging embedded systems?

Which action should you take?

Choose only one option

Setting up a breakpoint for specific instructions

Enabling watchdog timers to prevent system hangs

Enabling real-time tracing of I/O pin states

Enabling stack overflow protection

Question 3: What is the effect of trace inductance on high-frequency PCB signals?

Which action should you take?

Choose only one option

Causes signal reflection and attenuation

Improves signal clarity

Has no effect on signal integrity

Increases power consumption

Question 4: What troubleshooting technique would be most effective when dealing with an intermittent fault in a power supply?

Which action should you take?

Choose only one option

Use a power supply analyzer to record voltage fluctuations

Disconnect all loads and check for fluctuations

Check input and output voltages only

Visual inspection for damage

Question 5: How do you optimize code for a time-critical embedded application?

Which action should you take?

Choose only one option

Use global variables

Avoid using interrupts

Use high-level languages

Inline small functions

Question 6: What is the advantage of using hardware peripherals like PWM in embedded programming over software-based alternatives?

Which action should you take?

Choose only one option

Simplifies programming and requires no hardware resources

Increases the complexity of the system design

Provides higher precision control over time-sensitive tasks

Reduces CPU usage by offloading repetitive tasks