Senior Firmware Engineer
Senior Firmware Engineer Interview Questions and Answers
Q1. How would you bring up a device which requires a mobile host to onboard?
To bring up a device requiring a mobile host for onboarding, establish communication between the device and mobile host.
Establish communication between the device and mobile host using Bluetooth, Wi-Fi, or other wireless protocols.
Develop firmware on the device to enable it to detect and connect to the mobile host.
Implement a user-friendly interface on the mobile host for device onboarding process.
Ensure secure communication between the device and mobile host to protect sensi...read more
Q2. introduce the master thesis topic
Design and implementation of a real-time embedded system for monitoring and controlling a solar-powered irrigation system
Developed a low-power wireless sensor network for data acquisition
Implemented a control algorithm for efficient water usage
Designed a user interface for remote monitoring and control
Evaluated the system's performance in a real-world setting
Q3. Rotate a single Linked list
Rotate a single linked list
Create a new pointer to the last node of the linked list
Make the next of the last node point to the head of the linked list
Make the head of the linked list point to the second node
Update the new last node to point to null
Q4. Explain LRU cache.
LRU cache is a data structure that stores the most recently used items, discarding the least recently used items when the cache is full.
LRU stands for Least Recently Used.
It operates on the principle of discarding the least recently used items first when the cache reaches its capacity.
It typically involves a combination of a doubly linked list and a hash map for efficient operations.
Example: If the cache has a capacity of 3 and items A, B, C are accessed in that order, then a...read more
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