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CCS0007 Pointers

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
A symbol used to access the value of an address   show
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When does the void pointer can be dereferenced?   show
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show fg  
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Which of the following is a reference operator?   show
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show 40  
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What is the output of the following? #include <iostream> using namespace std; int main() { int var = 20; int *ip; ip = &var; cout << *ip << endl; return 0; }   show
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Which of the following is NOT true about static arrays?   show
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show Memory space is allocated during compile time  
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show Heap  
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show 8  
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show &  
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What is the output of the following program? #include <iostream> using namespace std; int main() { string food = ""Pizza""; string * ptr = &food; cout << food << "" ""; cout << *ptr << ""\n""; }   show
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show string mystring *;  
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#include <iostream> using namespace std; int main() { string food = ""Pizza""; string* ptr = &food; cout << food << ""\n""; return 0; }   show
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show void pointer  
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What operator is used to free allocated memory?   show
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show 143  
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show A memory address  
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Denotes a request for memory allocation on the Free Store   show
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"What is the output of the following? #include <iostream> using namespace std; int main() { int * foo; foo = new int [5]; foo[0] = 1; foo[1] = 2; foo[2] = 3; foo[3] = 4; foo[4] = 5; for (int   show
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"What is the output of the following program? #include <iostream> using namespace std; int main() { int n; n = 3; int * p = new int[n]; for (int i = 0; i<n;i++) { p[n] = 10; cout << p[n] <<   show
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show var1  
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It stores the memory address as its value.   show
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What is the declaration for the pointer that points to a variable of type int?   show
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show Memory space is allocated at runtime  
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show float a [10];  
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show Memory space is allocated during compile time  
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What is used for accessing the contents of memory location whose address is stored in a pointer variable?   show
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show Heap  
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#include <iostream> using namespace std; int main() { int * foo = new int [5]; foo[0] = 8; cout << foo [0]; delete[] foo; return 0; }   show
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show &  
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show Pizza Pizza  
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Which of the following is NOT a way to declare a pointer variable?   show
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#include <iostream> using namespace std; int main() { string food = ""Pizza""; string* ptr = &food; cout << food << ""\n""; return 0; }   show
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It is a pointer not associated with any data types   show
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What operator is used to free allocated memory?   show
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#include <iostream> using namespace std; int main() { int *ptr = new int; int a = 143; ptr = &a; cout << ptr << endl; return 0; }   show
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Denotes a request for memory allocation on the Free Store   show
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show 10 10 10  
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show Memory Address  
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What will happen in this code? int a = 100, b = 200; int *p = &a, *q = &b; p = q;   show
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show 11 11  
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#include <iostream> using namespace std; int main() { int * foo; foo = new int [5]; foo[0] = 1; foo[1] = 2; foo[2] = 3; foo[3] = 4; foo[4] = 5 delete[] foo; cout ; return 0; }   show
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#include <iostream> using namespace std; int main() { int *p1 = new int(); int *p2 = new int(); int *p3 = new int(); *p1 = 45; p2 = p1; *p3 = *p1+*p2; cout << *p3 << endl; return 0; }   show
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Choose the right option: string* x, y;   show
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show Dynamic array declaration  
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A void pointer can point to which type of objects?   show
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To create a dynamic array, you have to use:   show
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