Basic Data Structures – Exercise – 1

Basic Data Structures » Exercise – 1

1. main ( ) is an example of :

(a) header
(b) statement
(c) library function
(d) user defined function

2. A global variable is a variable :

(a) declared in the main ( ) function.
(b) declared in any function other than the main ( ) function.
(c) declared outside the body of every function.
(d) declared any where in the C program.

3. While incrementing a pointer, its value gets increased by the length of the data type to which it points. This length is called :

(a) scale factor
(b) length factor
(c) pointer factor
(d) increment factor

4. The first digit of a decimal constant must be :

(a) a zero
(b) a non zero number
(c) a negative number
(d) an integer

5. What is the output of the following statement :

printf (“%-3d”,12345);

(a) 1 2 3 
(b) -1 2 3 
(c) 1 2 3 4 5 
(d) 12  

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