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Welcome to the Miscellaneous Topics MCQs Page

Dive deep into the fascinating world of Miscellaneous Topics with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Miscellaneous Topics, a crucial aspect of C# programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Miscellaneous Topics, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within C# programming.

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Check out the MCQs below to embark on an enriching journey through Miscellaneous Topics. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of C# programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Miscellaneous Topics. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Miscellaneous Topics MCQs | Page 15 of 17

Q141.
Consider an integer pointer *a.
++*a will increment ___________ while *a++ will increment __________
Discuss
Answer: (a).value at a, address contained in a
Q142.
What will be the ouput of the given code snippet?
class UnsafeCode
{
    unsafe static void Main()
    {
        int* a;
        int a1 = 10;
        int b1;
        b1 = *&a1;
        a = &b1;
        {
            Console.WriteLine(*a);
            Console.ReadLine();
        }
    }
}
Discuss
Answer: (c).program will print value of a1
Q143.
What will be the output of the code snippet?
class UnsafeCode
{
    unsafe static void Main()
    {
        int n = 10;
        int* p = &n;
        int** p1 = &p;
        int*** p2 = &p1;
        Console.WriteLine(*p * **p1 * ***p2);
        Console.ReadLine();
    }
}
Discuss
Answer: (c).program will print 1000
Q144.
What will be the output of the following code snippet?
class UnsafeCode
{
    unsafe static void Main()
    {
            int* p;
            p = (int*)(65535);
            Console.WriteLine((uint)p);
            Console.ReadLine();
    }
}
Discuss
Answer: (d).program prints 65535
Q145.
What will be the output of the given code?
class UnsafeCode
 {
     unsafe static void Main()
     {
         int m = 10;
         int *mptr = &m;
         int **ptr = &mptr;
         int n = 20;
         int *nptr = &n;
         int **prt = &nptr;
         m = **prt + *nptr;
         n = *mptr* **prt;
         Console.WriteLine(n + " " + m);
         Console.ReadLine();
     }
 }
Discuss
Answer: (c).800 40
Q146.
What will be the output of the code snippet?
unsafe static void Main()
 {
     int a = 5;
     int b = 5;
     int c = 5;
     int*[] ptr = new int* [3];
     ptr[0] = &a;
     ptr[1] = &b;
     ptr[2] = &c;
     for (a = 0; a < 3; a++)
     {
         c += *ptr[a];
         Console.WriteLine(c);
     }
     Console.ReadLine();
 }
Discuss
Answer: (d).5 10 20
Q147.
What will be the output of the code snippet?
class UnsafeCode
{
    unsafe static void Main()
    {
        int* ptrs = stackalloc int[3];
        ptrs[0] = 1;
        ptrs[1] = 2;
        ptrs[2] = 3;
        for (int i = 2; i >= 0; --i)
        {
            ptrs[i] = ptrs[i]* 3;
            ptrs[i] = ptrs[i] + 4;
            Console.WriteLine(ptrs[i]);
        }
        Console.ReadLine();
    }
}
Discuss
Answer: (b).13, 10, 7
Q148.
Among the given pointers which of following cannot be incremented?
Discuss
Answer: (d).void
Discuss
Answer: (c).whole structure
Q150.
What will be the declaration of the variable ptr as the pointer to array of 6 floats?
Discuss
Answer: (c).float(*ptr)[6].

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