C Quiz Challenge — prizes for fastest & correct response

Instructions

• This quiz has 20 questions – 19 multiple choice questions & 1 text answer question
• Each multiple choice question has only one possible answer
• This Quiz Contest is targeted for freshers who have recently passed out of college.
• The first five people who send accurate answers at the earliest are rewarded.
• The winners would be mock interviewed by Sridhar Jammalamadaka on phone.
• To send your answers, send an email to sridhar@interviewmantra.net in the format 1)A, 2)B, 3)C ……. 19)B, 20) (text answer)
• Winners will be intimated via email and results will be announced on www.interviewmantra.net
• If you want an offline copy of the quiz questions, click on Download PDF icon below.

Mock interview is one of the best ways to prepare for an actual job interview. Mock interviews help you to find out how well you can fare in a real job interview. Mock interviews help you to boost your confidence and give a smooth performance at the real interview.

Your time starts now!!!!

This contest is closed now. Winners Announced.

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Questions

1)            The correct order of compilation of a C program is

i) Compile source code to object code
ii) Link object code and libraries
iii) Create binary or executable file
iv) Process Preprocessor directives

A)     i → ii → iii → iv
B)      iv →  i → ii  → iii
C)      i → iv → ii →  iii

2)            Which of the following data type can be used for storing a floating point constant?

A)     long int
B)     double
C)     unsigned char

3)            What is the result of running the following code snippet?

float result;
result = 5/2;
printf("%.1f",result);

A)     2.0
B)     2.5
C)     0

4)            What is the result of running the following code snippet

if(0)
printf("The Sun rises in the East");
else
printf("The Sun rises in the West");

A)     The Sun rises in the East
B)     The Sun rises in the West
C)     Compilation Error

5)            What is the value of variable ‘i’ after running the following statements?

int i = 10;
i = i / 2;
i = i % 2;

A)     0
B)     1
C)     2

6)            The purpose of the function int toupper (int c) as defined in ctype.h is to

A)     Convert the input string stored in variable c to upper case
B)     Convert the input character stored in variable c to upper case
C)     None of the above

7)            The difference between the user defined constants ‘Z’ and “Z” is

A)      ‘Z’ is a string constant whereas “Z” is a character constant
B)      ‘Z’ is a character constant whereas “Z” is a string constant
C)      There is no difference

8)            Output of running the following code snippet is

int i;
for ( i = 0; i < 3; i++ )
{
if(i == 2)
{
printf("%d\t",i);
}
}

A)     0              1              2              3
B)     0              1              2
C)     2

9)            The conversion character for printing an integer in hexadecimal number using printf is

A)     %x
B)     %d
C)     %o

10)          Output of following code snippet

float marks[10] = {53,66,36,36,53,23,64,12,53,88};
float *marksPtr = marks;
marksPtr = marksPtr + 4;
printf("%.0f", *marksPtr);

A)     0
B)     53
C)     36
D)     Garbage value

11)          Which of the following is the correct way to allocate space for an array of 15 float variables?

A)     float  *floatArray = (float *)  malloc ( 15 );
B)     float  floatArray = (float *)  malloc ( 15 );
C)     float  *floatArray = (float *)  malloc ( 15 * sizeof(float) );
D)     float  *floatArray =  15 * malloc (sizeof(float) );

12)          The following C statement causes an infinite loop (true/false):

while (1);

A)     true
B)     false

13)          Output of the following code snippet is:

int array[] = {1,2,3,4,5};
printf("%d", array[5]);

A)     0
B)      4
C)      5
D)     Garbage value

14)          Output of following statement is:

#define NUM 5
int main()
{
NUM++;
printf("%d", NUM);
return 0;
}

A)     5
B)     6
C)     Compilation error

15)          Output of the following statement is

int i = 5;
if(i = 5)
{
puts("Structured programming language");
}
else
{
puts("Object oriented programming language");
}

A)     Structured programming language
B)     Object oriented programming language
C)     Compilation error

16)          Which of the following is a true statement?

A)     Strings in C are char arrays terminated by ‘\0’
B)     Strings in C are char arrays terminated by NULL
C)     Strings in C are char arrays terminated by EOF

17)          Which of the following is a NOT a true statement?

A)     The base address of an array is same as the name of the array
B)     The base address of an array is address of the first element in the array
C)     The base address of a static array can be modified

18)          Which of the following is true about break statement in C?

A)     break statement exits out of the innermost loop nested around it
B)     break statement exits out of all the outer loops nested around it
C)     break statement skips one iteration and continues looping

19)          Output of the following program is:

int main()
{
int i =0;
modify(i);
printf("%d", i );
return 0;
}

int modify(int z)
{
return (++z);
}

A)     0
B)      1

20)          Point out at least two errors in the following code snippet

float a;
scanf("Enter number: %f", a );

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About the Author:  Sridhar Jammalamadaka is the Editor of Interview Mantra. He is a student pursuing masters in International Institute of Information Technology. With over 4 years of IT experience, he is obsessed with software programming and computer technologies. He loves to see a software come to life in its development life cycle. He is a person who defies "mob mentality" and a deeply spiritual and a strong believer of moral values and righteousness. Through this website, he wishes to gather a large community of aspiring engineers, entrepreneurs and professionals from all parts of the globe. You can connect with him on Facebook - http://www.facebook.com/sridhar.j

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