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C Programming

C Programming
Determine output:void main(){ extern int i; i=20; printf("%d", sizeof(i));}

2
20
Compiler Error
Linker Error

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C Programming
Determine Output:void main(){ int i = -1; +i; printf("i = %d, +i = %d", i, +i);}

i = -1, +i = -1
i = -1, +i = 1
None of These
i = 1, +i = 1

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C Programming
What will be the following code's output if choice = 'R'?switch(choice){ case 'R' : printf("RED"); case 'W' : printf("WHITE"); case 'B' : printf("BLUE"); default : printf("ERROR");break;}

ERROR
RED
RED WHITE BLUE ERROR
RED ERROR
RED WHITE BLUE

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C Programming
What will be the output of the given program?#includevoid main(){float num=5.6;switch(num){case 5:printf("5");case 6:printf("6");default : printf("0");break;}printf("%d", num);}

6 5.600000
0 5.600000
5 5.600000
Complier error

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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
None of these
Hello World

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C Programming
What will be the output of the following piece of code?for(i = 0; i<10; i++);printf("%d", i);

Syntax error
Infinite loop
0
0123456789
10

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