Fundamental C Test2

1. Every C Program Statement must be terminated with a

.

#

;

!

2. The process of removing a bug is known as

Debugging

Compilation

Executing

Running

3. ++I is a ----------------------operator.

Pre-decrement

Pre-increment

Post increment

Post decrement

4. C language has been developed by

Martin Richards

Ken Thompson

Peter Norton

Dennis Ritchie

5. The symbol for right shift operator is

− >

>

>>

6. Format specifier for the string is

%u

%d

%c

%s

7. X=9-12/3+3*2-1, what is the value of x

-10

10

4

2

8. The equality relational operator is represent by

:=

==

.EQ

=

9. Size of (double) returns———

8

2

10

4

10. The conditional operators “ ? :” is similar to

Nested if

If-then-else

While

Do-while

11. What could be output of the following function main( ) {int x=2,y=6,z=6; x=y=z; printf(“%d”,x); }

2

1

0

6

12. Which of the following is a valid numeric constant

20,000

15 750

$1000

65432

13. The keyword is used to define a new data type.

Array

Structure

Typedef

Union

14. The purpose of the following fragment B=S+B S=B-S; B=B-S; Where S,B are two integers is to

Negate the contents of S and B

Swap the contents of S and B

Transfer the contents of S to B

Transfer the contents of B to S

15. Which of the following is allowed in a C arithmetic statement

( )

[ ]

{ }

/ /

16. How would you declare a constant of 5 called “MYCONST”?

#define MYCONST 5

Var int MYCONST=5

Int myconst = 5;

Constant MYCONST = 5;

17. Which of the following is the assignment operator in C

!=

= =

=

: =

18. ‘void’ means

1

Nothing

Something not known

0

19. What is output of following Program? main( ) {int x=10,y=5,p,q ; p= x> 9 ; q= x > 3 && y != 3 ; printf( “p=%d q=%d ” ,p,q) ; }

P =0 q = 0

P = 0 q = 1

P = 1 q= 0

P = 1 q = 1

20. What function is appropriate for accepting a string?

Getch ( )

Gets( )

Getche ( )

Scanf ( )

21. In the following which one is not a C keyword?

Choice

Case

For

Volatile

22. What is the range of unsigned char data type

0 to 512

0 to 255

-128 to 127

-32, 768 to 32,767

23. Main( ) { int a=0; if(a) printf(“%d”,++a); else printf(“%d”, a+=2) ; } the output is

3

1

2

0

24. What type of errors are checked during compilation

Divide by zero error

Logical errors

Run - time errors

Syntax errors

25. Pick the operators that associates from right to left

%

-

=

+

26. C variable cannot start with

A lower case

An underscore

A number

An upper case letter

27. What symbol is used to represent input/output operations in a flow chart.

Rectangles

Parellograms

Circles

Rectangle with rounded end

28. What is range of char data value?

-128 to 127

-64 to 64

0 to 255

-127 to 128

29. The function -------------------echoes the character typed on the screen

Getchar()

Gets()

Getche()

Getchr()

30. How many while statements are possible in do.... While loop?

Any number

2

3

1

31. Which of the following cannot be used as an identifier.

Alphabet followed by digit

Keywords

Alphabet

Library function name

32. Which of the following shows the correct hierarchy of arithmetic operations in C

( ), &&, *,/,+,-

( ), &&, / , *, +, -

( ),&&,*or / + or -;

( ), / or *, - or +

33. Which of the following is not a key word of C?

Main

Void

Const

Sizeof

34. Switch(ch) {case ‘a’: printf(“a”); case ‘b’: printf(“b”); default: printf(“error”); } if ch is assigned to the character ‘a’ then the output will be

A b

A b error

A

Error

35. What is the result of 5 &&2 ?

0

2

1

5

36. The output of the following program is main( ) {int i=2; printf(“%d %d %d”,i++,i,++i); }

2 2 4

2 3 3

3 3 3

2 3 4

37. Which function returns single character

Printf

Putchar

Scanf

Getchar

38. In switch (expression) statement, the expression should evaluate to

A void

An integer

A character

A float

39. Main( ) { float a; int x = 6; y = 4; a = x/y; print (“%f”,a) }what is the output