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13,876 applications engineer interview questions shared by candidates

-Embedded Whats RTOS, whats Soft RTOS and Hard rtos -how is it implemented -What is priority inversion -how to resolve ^^ -different types of scheduling policies ( i explained RR and multi feedback queue) C -Difference between malloc and calloc, syntax of each, and how calloc is used -inline function, and use of it -difference between #define and const -some code that changes value of const, and asked what would happen MATLAB -2 matrices of size 3x3 and 4x3 how will you concatenate, and when the sizes are same -whats the difference between A^2 and A.^2 -how will you plot points (2,11) (2,22),(3,33) on a plane marked with green star, ( these represent X-y coordinates) -whats the meaning of operator ~. C++ -Whats a copy constructor? - Class student { char * name; } -what happens when you initialize -student s1; ? -what default methods compiler substitutes? -Whats the difference between Student s1=s2 and s1=s2? ( first will invoke copy constructor and second will invoke operator) -lets say class student has s1,s2 and s3 objects. is s1=s2+s3 legal in C++? Other- Whats a hash table how will you implement an algorithm to find duplicates in an array, its time complexity, if the array is sorted?
avatar

Applications Support Engineer

Interviewed at MathWorks

4.3★
May 7, 2015

-Embedded Whats RTOS, whats Soft RTOS and Hard rtos -how is it implemented -What is priority inversion -how to resolve ^^ -different types of scheduling policies ( i explained RR and multi feedback queue) C -Difference between malloc and calloc, syntax of each, and how calloc is used -inline function, and use of it -difference between #define and const -some code that changes value of const, and asked what would happen MATLAB -2 matrices of size 3x3 and 4x3 how will you concatenate, and when the sizes are same -whats the difference between A^2 and A.^2 -how will you plot points (2,11) (2,22),(3,33) on a plane marked with green star, ( these represent X-y coordinates) -whats the meaning of operator ~. C++ -Whats a copy constructor? - Class student { char * name; } -what happens when you initialize -student s1; ? -what default methods compiler substitutes? -Whats the difference between Student s1=s2 and s1=s2? ( first will invoke copy constructor and second will invoke operator) -lets say class student has s1,s2 and s3 objects. is s1=s2+s3 legal in C++? Other- Whats a hash table how will you implement an algorithm to find duplicates in an array, its time complexity, if the array is sorted?

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