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Interview Questions and Answers :: Samsung

Home > Experience Archives > Samsung > Interview Question Set 1
First Round (F-2-F)
    Question :: 1
    How the operating system taking care of const int i=5; (tell the implementation)

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    Question :: 2
    Explain the memory layout of main memory of computer system? Give an example to make understand the memory layout means in which segment what type of variable will be store?

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    Question :: 3
    By how many method we can allocate the memory in C and what is the difference between malloc and calloc. And which is faster and why?

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    Question :: 4
    Implementation of new () in C++?

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    Question :: 5
    What is the difference between malloc and new and which one is faster and why?

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    Question :: 6
    Difference between extern and static and give an example to justify?

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    Question :: 7
    Is it possible to access the static variable defined in another file, if YES then how? if NO then why not.

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    Question :: 8
    What is the difference between these two statements?
    const int *p;
    int const *p;

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    Question :: 9
    For statement const int *p = 5, which is true from given below two statement:
    a) int a;
    p = &a;
    b) *p = 0;

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    Question :: 10
    What is the self-referential structure, write an example of self-referential structure?

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    Question :: 11
    Difference between structure and union and what are the pros and cons of both?

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    Question :: 12
    What is the structure byte padding and how does it form and depend? Is there any concept of byte padding in union justify your answer?

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    Question :: 13
    How do we know the linked list is a circular or not?

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    Question :: 14
    What type of OS is Windows?

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    Question :: 15
    Difference between UNIX and LINUX?

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    Question :: 16
    What is the real time operating system?

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    Question :: 17
    How many types of CPU scheduling are there and explain all. Which one is better as per you and why also tell the feasibility of it?

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    Question :: 18
    Is there any ideal CPU scheduling possible? Justify your answer?

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    Question :: 19
    How to set the priority of any process in windows and in linux?

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    Question :: 20
    Can you say about the priority of mobile application which one is having higher priority.

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    Question :: 21
    What is a NULL pointer? How is it different from an unitialized pointer? How is a NULL pointer defined?

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    Question :: 22
    Is the cast to malloc() required at all?

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    Question :: 23
    What is a memory leak?

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