Explore topic-wise MCQs in Arrays .

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Arrays knowledge and support exam preparation. Choose a topic below to get started.

1.

In the following program where is the variable a getting defined and where it is getting declared?

A. extern int a is declaration, int a = 20 is the definition
B. int a = 20 is declaration, extern int a is the definition
C. int a = 20 is definition, a is not defined
D. a is declared, a is not defined
Answer» B. int a = 20 is declaration, extern int a is the definition
Discussion
2.

Identify which of the following are declarations 1 : extern int x; 2 : float square ( float x ) { ... } 3 : double pow(double, double);

A. 1
B. 2
C. 1 and 3
D. 3
Answer» D. 3
Discussion
3.

Is the following statement a declaration or definition? extern int i;

A. Declaration
B. Definition
C. Function
D. Error
Answer» B. Definition
Discussion
4.

Is there any difference between following declarations? 1 : extern int fun(); 2 : int fun();

A. Both are identical
B. No difference, except extern int fun(); is probably in another file
C. int fun(); is overrided with extern int fun();
D. None of these
Answer» C. int fun(); is overrided with extern int fun();
Discussion