C Data Types MCQ. Multiple-Choice Questions and Answers on Data types and Storage in C language. For History and Basics of C language visit MCQ History Of C Language
C Data Types MCQ
What is a C Storage Class ??
A) C Storage decides where to or which memory store the variable.
B) C Storage Class decides what is the default value of a variable.
C) C Storage Class decides what is the Scope and Life of a variable.
D) All the above
Identify wrong C Keywords below ??
A) auto, double, int, struct
B) break, else, long, switch
C) case, enum, register, typedef
D) char, extern, intern, return
Which of the following statements should be used to obtain a remainder after dividing 3.14 by 2.1 ??
A. rem = 3.14 % 2.1;
B. rem = modf(3.14, 2.1);
C. rem = fmod(3.14, 2.1);
D. Remainder cannot be obtain in floating point division
The wrong C Keywords below are ??
A) union, const, var, float
B) short, unsigned, continue, for
C) signed, void, default, goto
D) sizeof, volatile, do, if
Every C Variable must have ??
A) Type
B) Storage Class
C) Both Type and Storage Class
D) Either Type or Storage Class
C Data Types MCQ
Identify wrong C Keywords below ??
A) static, while, break, goto
B) struct, construct, signed, unsigned
C) short, long, if, else
D) return, enum, struct, do
What are the types of linkages ??
A. Internal and External
B. External, Internal, and None
C. External and None
D. Internal
Find a correct C Keyword below ??
A) breaker
B) go to
C) shorter
D) default
Which of the following is correct ??
A) Variables of type auto are initialized fresh for each block or function call
B) Variables of type static are initialized only the first time the block or function is called
C) Variables of the type register are initialized each time the block or function is executed
D) All the above
Find a correct C Keyword below ??
A) work
B) case
C) constant
D) permanent
C Language MCQ
Which of the following special symbol allowed in a variable name ??
A. * (asterisk)
B. | (pipeline)
C. – (hyphen)
D. _ (underscore)
The correct C Keyword is ??
A) Float
B) Int
C) Long
D) double
Find a C Storage Class below ??
A) static
B) auto
C) register & extern
D) All the above
Types of Integers are ??
A) short
B) int
C) long
D) All the above
How would you round off a value from 1.66 to 2.0 ??
A. ceil(1.66)
B. floor(1.66)
C. roundup(1.66)
D. roundto(1.66)
C Language MCQ
Types of Real numbers in C are ??
A) float
B) double
C) long double
D) All the above
What is the default C Storage Class for a variable ??
A) static
B) auto
C) register
D) extern
Signed and unsigned representation is available for ??
A) short, int, long, char
B) float, double, long double
C) A & B
D) None of the above
By default, a real number is treated as a ??
A. float
B. double
C. long double
D. far double
C Language MCQ
Choose the right answer ??
A) auto variable is stored in ‘Memory’.
a static variable is stored in ‘Memory’.
the extern variable is stored in ‘Memory’.
register variable is stored in ‘Memory’.
B) auto variable is stored in ‘Memory’.
a static variable is stored in ‘Memory’.
the extern variable is stored in ‘Memory’.
register variable is stored in ‘Register’.
C) auto variable is stored in ‘Register’.
a static variable is stored in ‘Register’.
the extern variable is stored in ‘Register’.
register variable is stored in ‘Memory’.
D) auto variable is stored in ‘Register’.
a static variable is stored in ‘Register’.
the extern variable is stored in ‘Register’.
register variable is stored in ‘Register’.
Size of a GCC or Visual Studio C Compiler is ??
A) 16 bit
B) 32 bit
C) 64 bit
D) 128 bit
Is the following statement a declaration or definition ??
extern int i;
A. Declaration
B. Definition
C. Function
D. Error