DIGITAL ASSISTANT PROGRAMING LANGUAGE ONLINE EXAM

Who is father of C Language?

A. Bjarne Stroustrup

B. Dennis Ritchie

C. James A. Gosling

D. Dr. E.F. Codd

Correct! Wrong!

. C Language developed at ___?

A. AT & T’s Bell Laboratories of USA in 1972

B. AT & T’s Bell Laboratories of USA in 1970

C. Sun Microsystems in 1973

D. Cambridge University in 1972

Correct! Wrong!

. For 16-bit compiler allowable range for integer constants is __ ?

A. -3.4e38 to 3.4e38

B. -32767 to 32768

C. -32768 to 32767

D. -32668 to 32667

Correct! Wrong!

A C variable cannot start with

A. An alphabet

B. A number

C. A special symbol other than underscore

D. both (b) and (c)

Correct! Wrong!

What is an array?

A. An array is a collection of variables that are of the dissimilar data type.

B. An array is a collection of variables that are of the same data type.

C. An array is not a collection of variables that are of the same data type.

D. None of the above.

Correct! Wrong!

An array elements are always stored in ___ memory locations.

A. Sequential

B. Random

C. Sequential and Random

D. None of the above

Correct! Wrong!

perror( ) function used to ?

A. Work same as printf()

B. prints the error message specified by the compiler

C. prints the garbage value assigned by the compiler

D. None of the above

Correct! Wrong!

What is C Tokens? Answer : D

A. The smallest individual units of c program

B. The basic element recognized by the compiler

C. The largest individual units of program

D. A & B Both

Correct! Wrong!

What is Keywords?

A. Keywords have some predefine meanings and these meanings can be changed.

B. Keywords have some unknown meanings and these meanings cannot be changed.

C. Keywords have some predefine meanings and these meanings cannot be changed.

D. None of the above

Correct! Wrong!

Which is the right way to declare constant in C?

A. int constant var =10;

B. int const var = 10;

C. const int var = 10;

D. B & C Both

Correct! Wrong!

In switch statement, each case instance value must be ___?

A. Constant

B. Variable

C. Special Symbol

D. None of the avobe

Correct! Wrong!

What is the work of break keyword?

A. Halt execution of program

B. Restart execution of program

C. Exit from loop or switch statement

D. None of the avobe

Correct! Wrong!

Which one of the following sentences is true ?

A. The body of a while loop is executed at least once.

B. The body of a do … while loop is executed at least once.

C. The body of a do … while loop is executed zero or more times.

D. A for loop can never be used in place of a while loop.

Correct! Wrong!

Recursive functions are executed in a?

A. First In First Out Order

B. Load Balancing

C. Parallel Fashion

D. Last In First Out Order

Correct! Wrong!

To represent hierarchical relationship between elements, which data structure is suitable?

C. Dqueue

D. All of the above

Correct! Wrong!

The statement printf(“%c”, 100); will print?

A. prints 100

B. print garbage

C. prints ASCII equivalent of 100

D. None of the above

Correct! Wrong!

The “C” language is

A. Context free language

B. Context sensitive language

C. Regular language

D. None of the above

Correct! Wrong!

The worst case time complexity of AVL tree is better in comparison to binary search tree for

A. Search and Insert Operations

B. Search and Delete Operations

C. Insert and Delete Operations

D. Search, Insert and Delete Operations

Correct! Wrong!

. In which tree, for every node the height of its left subtree and right subtree differ almost by one?

A. Binary search tree

B. AVL tree

C. Threaded Binary Tree

D. Complete Binary Tree

Correct! Wrong!

. What is Dequeue?

A. Elements can be added from front

B. Elements can be added to or removed from either the front or rear

C. Elements can be added from rear

D. None of the above

Correct! Wrong!

S	M	T	W	T	F	S
					1	2
3	4	5	6	7	8	9
10	11	12	13	14	15	16
17	18	19	20	21	22	23
24	25	26	27	28	29	30

S	M	T	W	T	F	S
					1	2
3	4	5	6	7	8	9
10	11	12	13	14	15	16
17	18	19	20	21	22	23
24	25	26	27	28	29	30

S	M	T	W	T	F	S
					1	2
3	4	5	6	7	8	9
10	11	12	13	14	15	16
17	18	19	20	21	22	23
24	25	26	27	28	29	30