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: Why does UART require both a transmitter and receiver clock?

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For parity error checking

To detect noise on data lines

For frequency modulation

To maintain synchronization

Question 3: When using the SPI protocol, which of the following signals is used to synchronize the data transfer between the master and slave?

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SCK (Serial Clock)

MISO (Master In Slave Out)

MOSI (Master Out Slave In)

CS (Chip Select)

Question 4: In SPI communication, what is the purpose of the MISO (Master In Slave Out) line?

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It carries data from the master to the slave

It controls chip selection

It carries data from the slave to the master

It synchronizes the data clock

Question 5: What is a primary challenge when debugging in real-time operating systems (RTOS)?

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Profiling memory allocation

Disabling scheduler

Analyzing task switching timing

Identifying unused interrupts

Question 6: In an embedded system, which of the following is the primary role of the interrupt vector table?

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To store interrupt service routine addresses

To manage memory allocation for tasks

To store the system configuration settings

To configure the hardware for the interrupt signal