30 MCQs on C Programming (Chapterwise)
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1.
Who
is the father of C language?
a) Steve Jobs
b) James Gosling
c) Dennis Ritchie
d) Rasmus Lerdorf
2.
Which
of the following is not a valid C variable name?
a)
int number;
b) float rate;
c) int variable_count;
d) int $main;
3.
All
keywords in C are in ____________
a) LowerCase letters
b)
UpperCase letters
c) CamelCase letters
d) None of the mentioned
4.
Which
of the following is true for variable names in C?
a)
They can contain alphanumeric characters as well as special characters
b) It is not an error to declare a variable to be one of the keywords(like
goto, static)
c) Variable names
cannot start with a digit
d) Variable can be of any length
5.
Which
is valid C expression?
a) int my_num = 100,000;
b) int my_num =
100000;
c) int my num = 1000;
d) int $my_num = 10000;
6.
Which
of the following cannot be a variable name in C?
a) volatile
b) true
c) friend
d) export
7.
What
is short int in C programming?
a) The basic data type of C
b) Qualifier
c) Short is the
qualifier and int is the basic data type
d) All of the mentioned
8.
Which
of the following declaration is not supported by C language
a) String str;
b) char *str;
c) float str = 3e2;
d) Both String str; & float str = 3e2;
9.
Which
keyword is used to prevent any changes in the variable within a C program?
a) immutable
b) mutable
c) const
d) volatile
10.
What
is the result of logical or relational expression in C?
a)
True or False
b) 0 or 1
c) 0 if an expression is false and any positive number if an expression is true
d) None of the mentioned
11.
Which
of the following typecasting is accepted by C language?
a)
Widening conversions
b) Narrowing conversions
c) Widening &
Narrowing conversions
d) None of the mentioned
12.
Which
of the following is NOT possible with any 2 operators in C?
a) Different precedence, same associativity
b) Different precedence, different associativity
c) Same precedence,
different associativity
d) All of the mentioned
13.
What
is an example of iteration in C?
a) for
b) while
c) do-while
d) all of the
mentioned
14.
Functions
can return enumeration constants in C?
a) true
b) false
c) depends on the compiler
d) depends on the standard
15.
Functions
in C Language are always _________
a) Internal
b) External
c) Both Internal and External
d) External and Internal are not valid terms for functions
16.
Which
of following is not accepted in C?
a) static a = 10; //static as
b) static int func (int); //parameter as static
c) static static int
a; //a static variable prefixed with static
d) all of the mentioned
17.
Property
which allows to produce different executable for different platforms in C is called?
a) File inclusion
b) Selective inclusion
c) Conditional
compilation
d) Recursive macros
18.
What
is #include <stdio.h>?
a) Preprocessor
directive
b) Inclusion directive
c) File inclusion directive
d) None of the mentioned
19.
C
preprocessors can have compiler specific features.
a) True
b)
False
c) Depends on the standard
d) Depends on the platform
20.
Which
of the following are C preprocessors?
a) #ifdef
b) #define
c) #endif
d) all of the
mentioned
21.
The
C-preprocessors are specified with _________symbol.
a) #
b) $
c) ” ”
d) &
22.
How
many number of pointer (*) does C have against a pointer variable declaration?
a) 7
b) 127
c) 255
d) No limits
23.
Which
of the following return-type cannot be used for a function in C?
a) char *
b) struct
c) void
d) none of the
mentioned
24.
The
standard header _______ is used for variable list arguments (…) in C.
a) <stdio.h >
b) <stdlib.h>
c) <math.h>
d) <stdarg.h>
25.
When
a C program is started, O.S environment is responsible for opening file and
providing pointer for that file?
a) Standard input
b) Standard output
c) Standard error
d) All of the
mentioned
26.
In C
language, FILE is of which data type?
a)
int
b) char *
c) struct
d) None of the mentioned
27.
What
is the sizeof(char) in a 32-bit C compiler?
a) 1 bit
b) 2 bits
c) 1 Byte
d) 2 Bytes
28.
Which
of the following is not an operator in C?
a) ,
b) sizeof()
c) ~
d) None of the
mentioned
29.
scanf()
is a predefined function in______header file.
a) stdlib. h
b) ctype. h
c) stdio. h
d) stdarg.h
30. C programs are converted into machine language with the help of
b)An operating system
c)A compiler
d)None of these
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