C Engineer Interview Questions

C++ Developer Intern

Interviewed at Arm

4.5★

Jan 21, 2022

What is the purpose of a union in C? When is it used?

Embedded C RTOS Developer

Interviewed at Cognizant

3.6★

Dec 7, 2019

Round 1: Storage classes in C, etc. Basic RTOS questions like priority inversion, semaphore and mutexes, exceptions, Embedded question on I2C, SPI, RS485, PWM, TCP/IP layers, transmission control Second round: started on negative note that we are not like other companies to give you this-that and all, your profile doesn't suit the requirements etc. Asked few RTOS related questions like which RTOS you have used? Asked me to write a c program and then read it out (since it was through VC) lol...

Mid-Level Engineer - Distributed Systems OR C++ Experience

Interviewed at CrowdStrike

3.8★

Apr 29, 2025

How would you implement vectors of C++ without using vector. Questions regarding advance concepts of C++

C++ Developer

Interviewed at Pratiti Technologies

3.5★

Nov 18, 2023

Reverse String Program in CPP.

Software Engineer C++

Interviewed at PPRO

3.3★

Sep 16, 2021

General questions (Docker etc) +. Basic C++ programming +. Refactoring +. Architecture + Final discussion with manager....

Gen-C Developer

Interviewed at Cognizant

3.6★

Dec 3, 2021

Big or small number detecting

Gen-C Developer

Interviewed at Cognizant

3.6★

Aug 24, 2021

Multithreading Garbage collection Program to swap two numbers C and Java

Gen-C Developer

Interviewed at Cognizant

3.6★

Oct 8, 2021

differene between tuple and list what is polymorphism

C# Developer

Interviewed at Barclays

4★

Jun 10, 2015

Topics: - Dictionary - IEnumerable vs IQueryable - GC (generations, big objects etc.) - ISet - yield

C# Developer

Interviewed at Pratiti Technologies

3.5★

Feb 13, 2025

OOPS concept,c# program, collection, .net framework