Which of the following best describes struct?

d) Feature brought from stdio.h header file.

Consider the following statement. “Union offers memory safety.

d) False, because the union only allocates memory for the largest entity among the all.

a) True, because the union only allocate the memory for largest entity among the all.

b) True, because union is an user defined datatype.

c) False, because union is an user defined datatype and accessed through dot operator.

Which add function properly returns the updated value of the result?

void add (int a, int b, int result){ result = a+b;} main() { int a = 10; int b = 20; int result = 0; add(a,b,&result); }

void add (int a, int b, int result) { result = a+b; } main() { int a = 10; int b = 20; int result = 0; add(a,b,result); }

void add (int a, int b, int *result) { result = a+b; } main() { int a = 10; int b = 20; int result = 0; add(a,b,result); }

void add (int a, int b, int *result) { result = a+b; } main() { int a = 10; int b = 20; int result = 0; add(*a,*b,*result); }

. Consider the number of the Fibonacci series below 100: 0,1,1,2,3,5,8,13,21,34,55,89. Which piece of code outputs the sequence?

void fibonacci(int a, int b) { int c = a+b; if(a>100) return; printf("%d", a); fibonacci(b,c); } int main() { fibonacci(0,1); }

void fibonacci(int a, int b) { int c = a+b; if(a>100) return; printf("%d", a); fibonacci(a,b); } int main() { fibonacci(0,1); }

void fibonacci(int a, int b) { int c = a+b; if(a>100) return; printf("%d", b); fibonacci(a,c); } int main() { fibonacci(0,1); }

void fibonacci(int a, int b) { int c = a+b; if(a>100) return; printf("%d", c); fibonacci(b,c); } int main() { fibonacci(0,1); }

Which code example creates the string "Hello Mars" in storage buffer hello.

char hello[25]; char *p; strcpy(hello, "Hello World"); p = hello; p +=6; strcpy(p, "Mars");

char hello[25]; strcpy(hello, "Hello "); strcpy(hello, "Mars");

char *hello; strcpy(hello, "Hello World"); hello+=6; strcpy(hello, "Mars");

char hello[25]; strcpy(hello, "Hello World"); strcpy(*hello[6], "Mars");

What do the functions malloc() and calloc() allocate?

fragmented memory Calloc Malloc

What is not a valid type definition of a structure that contains x and y coordinates as integers, and that can be used as shown for the variable named point? coord point; point.x = 9; point.y = 3;

typedef struct coord{ int x; int y; };

struct coord{ int x; int y; }; typedef struct coord coord;

typedef struct coord{ int x; int y; } coord;

typedef struct{ int x; int y; } coord;

Which of the following is/are true

calloc() allocates the memory and also initializes the allocates memory to zero, while memory allocated using malloc() has random data.

malloc() and memset() can be used to get the same effect as calloc().

calloc() takes two arguments, but malloc takes only 1 argument.

Assessment-2

Quiz

•

Education

•

Practice Problem

•

Hard

Narendra Varma

Used 3+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which library/header file provides better handling of strings?

stdio.h

char.h

string.h

sequence.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many parameters do strcat takes?

2

1

5

no parameters

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many storage classes are there in C?

4

3

10

1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Can we change the entry point to main function by applying pointer to a function concept?

b) No, pointer to a function can’t be applied to main function.

c) Yes, it is possible to change any function entry point using pointer to a function concept.

d) No,There is no pointer to function concept in C.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the size of pointer-to-pointer in 32 bit system?

1byte

2byte

16byte

4byte

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does malloc() function return?

a) Null pointer

b) Integer pointer

c) Pointer to a pointer

d) Array Pointer of memory sequence

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following are not pre-processing commands?

a) #define PI 3.1415169

b) #include

c) typedef int Integer;

d) #warning “Debug mode is enabled”

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Assessment-2

20 questions

Which library/header file provides better handling of strings?

How many parameters do strcat takes?

How many storage classes are there in C?

Can we change the entry point to main function by applying pointer to a function concept?

What is the size of pointer-to-pointer in 32 bit system?

What does malloc() function return?

Which of the following are not pre-processing commands?

Which of the following best describes struct?

Consider the following statement. “Union offers memory safety.

Which allows you to store different types of data in same memory location.

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