Part 7 of the embedded DSA interview guide: 30 worked questions on hash tables, collision resolution, load factor, perfect hashing, Bloom filters, LRU caches and Big O analysis.
Year: 2026
Embedded DSA Interview Questions: Heap and Sorting (Q189–Q218)
Part 6 of the embedded DSA interview guide: 30 worked questions on binary heaps, heapify, timer queues, and every major sorting algorithm with the embedded trade-offs spelled out.
Embedded DSA Interview Questions: Trees and Binary Search Trees (Q154–Q188)
Part 5 of the embedded DSA interview guide: 35 worked questions on binary trees, traversals, diameter, LCA, serialization, BST insert and delete, AVL rotations and red-black trees.
Embedded DSA Interview Questions: Stack and Queue (Q124–Q153)
Part 4 of the embedded DSA interview guide: 30 worked questions on stacks, shunting yard, stack overflow detection, circular queues, ring buffers, ISR to task handoff and RTOS queues.
Embedded DSA Interview Questions: Recursion and Linked Lists (Q74–Q123)
Part 3 of the embedded DSA interview guide: 50 worked questions on recursion, stack depth, MISRA 17.2, singly and doubly linked lists, Floyd’s cycle detection, intrusive lists and pool allocators.
Embedded DSA Interview Questions: Arrays and Strings (Q36–Q73)
38 embedded arrays and strings interview questions: row-major layout, binary search, in-place rotation, safe string handling and memcpy vs memmove.
Embedded DSA Interview Questions: C Fundamentals, Pointers and Memory (Q1–Q35)
35 embedded C pointer and memory interview questions answered in depth: alignment, padding, volatile, function pointers and pointer corruption.
The Embedded Firmware DSA Interview Guide: 248 Questions and Answers
248 data structures and algorithms interview questions answered for embedded and firmware engineers, across seven parts covering C, arrays, lists, trees and more.
Firmware Architecture Interview Questions: 100 Q&A for Senior and Staff Engineers
One hundred firmware architecture interview questions and answers across system architecture, RTOS vs bare-metal vs Linux, OTA updates and rollback, and bootloader design and secure boot.
FreeRTOS Semaphore vs Mutex on STM32: Ownership, Priority Inheritance, and Why They Are Not Interchangeable
Most FreeRTOS synchronisation tutorials treat semaphores and mutexes as two flavours of the same thing — a binary flag you acquire and release. That framing
