Programming in C - Constants, Variables and Data Types

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11. C programming language provides operations which deal directly with objects such as

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Option : C
Explanation :

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12. C programming language by itself provides

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Option : D
Explanation :

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13. The variables which can be accessed by all modules in a program are called

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Option : D
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14. The rule for implicit type conversion in 'C' is

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Option : A
Explanation :

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15. Consider the following statement
#define hypotenuse (a, b) sqrt (a*a + b*b);
The macro-call hypotenuse (a + 2, b + 3);

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Option : D
Explanation :
A macro is defined with, hypotenuse (a, b) sqrt (a*a+b*b);
call hypotenuse(a+2,b+3);
hypotenuse = sqrt (a+2*a+2 + b+3*b+3)
= sqrt (a + 2a + 2 + b + 3b + 3)
= sqrt (3a + 4b + 5)

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