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C Programming

C Programming
Which of the following function calculates the square of 'x' in C?

sqr(x)
power(2, x)
power(x, 2)
pow(x, 2)
pow(2, x)

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C Programming
What number would be shown on the screen after the following statements of C are executed?char ch; int i; ch = 'G'; i = ch-'A';printf("%d", i);

8
6
9
5
7

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C Programming
What will be the output of the program ?#include#includevoid main(){ char str1[20] = "Hello", str2[20] = " World"; printf("%s", strcpy(str2, strcat(str1, str2)));}

WorldHello
Hello World
Hello
World
None of these

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C Programming
short testarray[4][3] = { {1}, {2,3}, {4,5,6}};printf("%d", sizeof(testarray));Assuming a short is two bytes long, what will be printed by the above code?

7
12
6
24
It will not compile because not enough initializers are given

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C Programming
int a[5] = {1,2,3}What is the value of a[4]?

0
1
2
Garbage Value
3

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C Programming
Choose the best answer.Prior to using a pointer variable

It should be declared.
It should be both declared and initialized.
It should be initialized.
None of these.

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