ACP MCQ.docx

8/10/2019 ACP MCQ.docx

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REAL DIPLOMA & ENGINEERING CLASSES

ADVANCE PROGRAMMING IN C RAJNISH SRIVASTAV-9601253885

LEARNS FROM THE MASTERS

1. The following code for(;;) represents an infinite loop. It can be terminated by.

a) break

b) exit(0)

c) abort()d) All of the mentioned

Answer:a

2. The correct syntax for running two variable for loop simultaneously is.

a) for (i = 0; i < n; i++)

for (j = 0; j < n; j += 5)b) for (i = 0, j = 0;i < n, j < n; i++, j += 5)

c) for (i = 0; i < n;i++){}

for (j = 0; j < n;j += 5){}

d) None of the mentionedAnswer:b

3. Which for loop has range of similar indexes of 'i' used in for (i = 0;i < n; i++)?a) for (i = n; i>0; i)

b) for (i = n; i >= 0; i)

c) for (i = n-1; i>0; i)d) for (i = n-1; i>-1; i)

Answer:d

4. Which of the following cannot be used as LHS of the expression in for (exp1;exp2; exp3) ?

a) Variable

b) Functionc) typedef

d) macrosAnswer:d

5. What is the output of this C code?

1. #include

2. int main()

3. {4. short i;

5. for (i = 1; i >= 0; i++)

6. printf("%d\n", i);

7.8. }

a) The control wont fall into the for loopb) Numbers will be displayed until the signed limit of short and throw a runtime error

c) Numbers will be displayed until the signed limit of short and program will successfully terminate

d) This program will get into an infinite loop and keep printing numbers with no errorsAnswer:c


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1. #include 2. void main()

3. {

4.

int k = 0;5. for (k)6. printf("Hello");

7. }

a) Compile time error

b) hello

c) Nothingd) Varies

Answer:a



3. {

4. int k = 0;5. for (k < 3; k++)

6. printf("Hello");

7. }


b) Hello is printed thricec) Nothing

d) Varies

Answer:a


1. #include

2. void main()

3. {

4. double k = 0;

5.

for (k = 0.0; k < 3.0; k++)6. printf("Hello");

7. }

a) Run time errorb) Hello is printed thrice

c) Hello is printed twice

d) Hello is printed infinitely

Answer:b


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3. {

4.

double k = 0;5. for (k = 0.0; k < 3.0; k++);6. printf("%lf", k);

7. }

a) 2.000000

b) 4.000000

c) 3.000000d) Run time error

Answer:c



3. {

4. int k;5. for (k = -3; k < -5; k++)

6. printf("Hello");

7. }

a) Hello

b) Infinite helloc) Run time error

d) Nothing

Answer:d


1. #include

2. int main()

3. {

4. int i = 0;

5.

for (; ; ;)6. printf("In for loop\n");

7. printf("After loop\n");8. }


b) Infinite loop

c) After loop


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d) Undefined behaviour

Answer:a


1.

#include 2. int main()

3. {

4. int i = 0;5. for (i++; i == 1; i = 2)

6. printf("In for loop ");

7. printf("After loop\n");

8. }

a) In for loop after loopb) After loop

c) Compile time errord) Undefined behaviour

Answer:a


1. #include

2. int main()3. {

4. int i = 0;

5. for (foo(); i == 1; i = 2)

6.

printf("In for loop\n");7. printf("After loop\n");

8. }

9. int foo()10. {

11. return 1;

12. }

a) After loopb) In for loop after loop

c) Compile time error

d) Infinite loopAnswer:a


1. #include

2. int main()

3. {

4. int *p = NULL;


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5. for (foo(); p; p = 0)

6. printf("In for loop\n");

7. printf("After loop\n");

8. }

a) In for loop after loopb) Compile time errorc) Infinite loop

d) Depends on the value of NULL

Answer:b


1. #include

2. int main()

3. {

4.

for (int i = 0;i < 1; i++)5. printf("In for loop\n");

6. }


b) In for loopc) Depends on the standard compiler implements

d) Depends on the compiler

Answer:c


1. #include

2. int main()

3. {4. while ()

5. printf("In while loop ");


a) In while loop after loop

b) After loop

c) Compile time errord) Infinite loop

Answer:c


1. #include

2. int main()3. {


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4. do

5. printf("In while loop ");

6. while (0);


a) In while loopb) In while loop

after loop

c) After loopd) Infinite loop

Answer:b


1. #include

2.

int main()3. {

4. int i = 0;5. do {

6. i++;

7. printf("In while loop\n");

8. } while (i < 3);9. }

a) In while loopIn while loop

In while loopb) In while loopIn while loop

c) Depends on the compiler

d) Compile time errorAnswer:a

4. How many times i value is checked in the below code?

1. #include

2. int main()

3.

{4. int i = 0;

5. do {

6. i++;7. printf("in while loop\n");

8. } while (i < 3);

9. }


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a) 2

b) 3

c) 4

d) 1Answer:b

5. How many times i value is checked in the below code?

1. #include 2. int main()

3. {

4. int i = 0;

5. while (i < 3)6. i++;

7. printf("In while loop\n");

8. }

a) 2b) 3c) 4

d) 1


1. #include

2. void main()

3. {4. int i = 2;

5.

do6. {7. printf("Hi");

8. } while (i < 2)

9. }


b) Hi Hic) Hi

d) Varies

Answer:a


1. #include

2. void main()

3. {4. int i = 0;

5. while (++i)

6. {


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7. printf("H");

8. }

9. }

a) H

b) H is printed infinite timesc) Compile time errord) Varies

Answer:b



3. {

4. int i = 0;

5.

do6. {

7. printf("Hello");8. } while (i != 0);

9. }

a) Nothing

b) H is printed infinite times

c) Hello

d) Run time errorAnswer:c


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3. {

4.

char *str = "";5. do6. {

7. printf("hello");

8. } while (str);9. }

a) Nothingb) Run time error

c) Varies

d) Hello is printed infinite times

Answer:d


1. #include

2. void main()3. {

4. int i = 0;

5. while (i < 10)

6. {7. i++;

8.

printf("hi\n");9. } while (i < 8)10. i++;

11. printf("hello\n");

12. }

a) Hi is printed 8 times, hello 7 times and then hi 2 times

b) Hi is printed 10 times, hello 7 timesc) Hi is printed once, hello 7 times

d) Hi is printed once, hello 7 times and then hi 2 times

Answer:d

3. Example of iteration in C.

a) for

b) whilec) do-while

d) All of the mentioned

Answer:d


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4. Number of times while loop condition is tested is, i is initialized to 0 in both case.

while (i < n)

i++;

-------------do

i++;while (i


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d) Syntax error

Answer:c

7. Which loop is most suitable to first perform the operation and then test the condition?

a) for loop

b) while loopc) do-while loopd) None of the mentioned

Answer:c

1. The output of the code below is


3. {

4. int x = 5;

5.

if (x < 1)6. printf("hello");

7. if (x == 5)8. printf("hi");

9. else

10. printf("no");

11. }

a) hi

b) helloc) no

d) None of the mentionedAnswer:a


1. #include

2. int x;3. void main()

4. {

5. if (x)

6. printf("hi");

7.

else8. printf("how are u");

9. }

a) hi

b) how are youc) Compile time error

d) None of the mentioned

Answer:b


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3. Comment on the following code below


3. {

4.

int x = 5;5. if (true);6. printf("hello");

7. }

a) It will display hello

b) It will throw an error

c) Nothing will be displayedd) Compiler dependent

Answer:b



3. {

4. int x = 0;5. if (x == 0)

6. printf("hi");

7. else

8. printf("how are u");9. printf("hello");

10.

}

a) hi

b) how are youc) hello

d) hihello

Answer:d


1. #include

2.

void main()3. {

4. int x = 5;5. if (x < 1);

6. printf("Hello");

7.8. }


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a) Nothing

b) Run time error

c) Hello

d) VariesAnswer:c

6. The output of the code below is(when 1 is entered)


3. {

4. double ch;

5. printf("enter a value btw 1 to 2:");6. scanf("%lf", &ch);

7. switch (ch)

8. {

9.

case 1:10. printf("1");

11. break;

12. case 2:13. printf("2");

14. break;

15. }16. }

a) Compile time errorb) 1

c) 2d) Varies

Answer:a

7. The output of the code below is(When 1 is entered)

1. #include

2. void main()3. {

4. char *ch;

5. printf("enter a value btw 1 to 3:");

6.

scanf("%s", ch);7. switch (ch)

8. {

9. case "1":10. printf("1");

11. break;

12. case "2":13. printf("2");

14. break;


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15. }

16. }

a) 1b) 2

c) Compile time errord) No Compile time errorAnswer:c

8. When 1 is entered, The output of the code below is?

1. #include 2. void main()3. {

4. int ch;

5. printf("enter a value btw 1 to 2:");

6.

scanf("%d", &ch);7. switch (ch)

8. {9. case 1:

10. printf("1\n");

11. default:

12. printf("2\n");13. }

14. }

a) 1

b) 2c) 1 2d) Run time error

Answer:c


1. #include

2. void main()

3. {

4. int ch;

5.

printf("enter a value btw 1 to 2:");6. scanf("%d", &ch);

7. switch (ch)

8. {9. case 1:

10. printf("1\n");

11. break;12. printf("Hi");

13. default:


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14. printf("2\n");

15. }

16. }

a) 1

b) Hi 2c) Run time errord) 2

Answer:d



3. {

4. int ch;

5.

printf("enter a value btw 1 to 2:");6. scanf("%d", &ch);

7. switch (ch, ch + 1)8. {

9. case 1:

10. printf("1\n");

11. break;12. case 2:

13. printf("2");

14. break;15. }

16.

}

a) 1

b) 2

c) 3d) Run time error

Answer:b


1. #include

2.

int main()3. {

4. int x = 1;

5. if (x > 0)6. printf("inside if\n");

7. else if (x > 0)

8. printf("inside elseif\n");9. }


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a) inside if

b) inside elseif

c) inside if

inside elseifd) Compile time error

Answer:a


1. #include

2. int main()

3. {

4. int x = 0;5. if (x++)

6. printf("true\n");

7. else if (x == 1)

8.

printf("false\n");9. }

a) trueb) false


d) Undefined behaviourAnswer:b


1.


3. {

4. int x = 0;5. if (x == 1)

6. if (x == 0)

7. printf("inside if\n");

8. else9. printf("inside else if\n");

10. else

11. printf("inside else\n");

12.

}

a) inside ifb) inside else ifc) inside else

d) Compile time error

Answer:c



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1. #include

2. int main()

3. {

4. int x = 0;5. if (x == 0)

6.

printf("true, ");7. else if (x = 10)8. printf("false, ");

9. printf("%d\n", x);10. }

a) false, 0

b) true, 0

c) true, 10d) Compile time error

Answer:b


1. #include

2. int main()

3. {

4. int x = 0;5. if (x == 1)

6. if (x >= 0)

7. printf("true\n");8. else

9.

printf("false\n");10. }

a) true

b) falsec) Depends on the compiler

d) No print statement

Answer:d

6. if (a == 1||b == 2){} can be written as:

a) if (a == 1)

if (b == 2){}b) if (a == 1){}

if (b == 2){}

c) if (a == 1){}else if (b == 2){}


Answer:d


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7. Which of the following is an invalid if-else statement?

a) if (if (a == 1)){}

b) if (func1 (a)){}

c) if (a){}d) if ((char) a){}

Answer:a


1. #include

2. int main()

3. {

4. int a = 1;5. if (a--)

6. printf("True");

7. if (a++)

8.

printf("False");9. }

a) Trueb) False

c) True False

d) No OutputAnswer:a

9. Comment on the output of this C code?

1.


3. {

4. int a = 1;5. if (a)

6. printf("All is Well ");

7. printf("I am Well\n");

8. else9. printf("I am not a River\n");

10. }

a) Output will be All is Well I am Wellb) Output will be I am Well I am not a River

c) Output will be I am Well

d) Compile time errors during compilationAnswer:d


1. #include


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2. int main()

3. {

4. if (printf("%d", printf(")))

5. printf("We are Happy");6. else if (printf("1"))

7.

printf("We are Sad");8. }

a) 0We are Happyb) 1We are Happyc) 1We are Sad


Answer:d



3. {

4. char *p = NULL;5. char *q = 0;

6. if (p)

7. printf(" p ");

8. else9. printf("nullp");

10.

if (q)11. printf("q\n");12. else

13. printf(" nullq\n");

14. }

a) nullp nullq

b) Depends on the compilerc) x nullq where x can be p or nullp depending on the value of NULL

d) p q


1. #include

2. int main()3. {4. int i = 10;

5. void *p = &i;

6. printf("%d\n", (int)*p);7. return 0;

8. }


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b) Segmentation fault/runtime crash

c) 10

d) Undefined behaviour3. What is the output of this C code?


3. {

4. int i = 10;5. void *p = &i;

6. printf("%f\n", *(float*)p);

7. return 0;

8. }


b) Undefined behaviourc) 10

d) 0.000000

Answer:d


1. #include

2. int *f();

3. int main()4. {

5.

int *p = f();6. printf("%d\n", *p);7. }

8. int *f()

9. {10. int *j = (int*)malloc(sizeof(int));

11. *j = 10;

12. return j;13. }

a) 10

b) Compile time errorc) Segmentation fault/runtime crash since pointer to local variable is returned


Answer:a


1. #include

2. int *f();


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3. int main()

4. {

5. int *p = f();

6. printf("%d\n", *p);7. }

8.

int *f()9. {10. int j = 10;

11. return &j;12. }

a) 10

b) Compile time error

c) Segmentation fault/runtime crashd) Undefined behaviour

Answer:a

6. Comment on the following pointer declaration?

int *ptr, p;

a) ptr is a pointer to integer, p is notb) ptr and p, both are pointers to integer

c) ptr is a pointer to integer, p may or may not be

d) ptr and p both are not pointers to integerAnswer:a


1.

#include 2. int main()3. {

4. int *ptr, a = 10;

5. ptr = &a;6. *ptr += 1;

7. printf("%d,%d/n", *ptr, a);

8. }

a) 10,10

b) 10,11

c) 11,10d) 11,11

Answer:d

8. Comment on the following?

const int *ptr;

a) You cannot change the value pointed by ptrb) You cannot change the pointer ptr itself

c) Both (a) and (b)


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a) 0 1


c) 0xbfd605e8 0xbfd605ec

d) 0xbfd605e8 0xbfd605e8Answer:b



3. {

4. int x = 0;

5. int *ptr = &x;6. printf("%p\n", ptr);

7. ptr++;

8. printf("%p\n ", ptr);

9.

}

a) 0xbfd605e8 0xbfd605ecb) 0xbfd605e8 0cbfd60520

c) 0xbfd605e8 0xbfd605e9

d) Run time error

Answer:a


1. #include

2.

void main()3. {

4. int x = 0;

5. int *ptr = &5;6. printf("%p\n", ptr);

7. }

a) 5b) Address of 5

c) Nothing


Answer:d



3. {

4. int x = 0;

5. int *ptr = &x;


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6. printf("%d\n", *ptr);

7. }

a) Address of xb) Junk value

c) 0d) Run time errorAnswer:c


1. #include 2. void foo(int*);3. int main()

4. {

5. int i = 10;

6.

foo((&i)++);7. }

8. void foo(int *p)9. {

10. printf("%d\n", *p);

11. }

a) 10

b) Some garbage value

c) Compile time errord) Segmentation fault/code crash

Answer:c


1. #include

2. void foo(int*);

3. int main()4. {

5. int i = 10, *p = &i;

6. foo(p++);

7. }

8.

void foo(int *p)9. {

10. printf("%d\n", *p);

11. }

a) 10b) Some garbage value



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d) Segmentation fault

Answer:a


1.

#include 2. void foo(float *);

3. int main()

4. {5. int i = 10, *p = &i;

6. foo(&i);

7. }

8. void foo(float *p)9. {

10. printf("%f\n", *p);

11. }

a) 10.000000b) 0.000000c) Compile time error


Answer:b


1. #include

2. int main()

3.

{4. int i = 97, *p = &i;

5. foo(&i);

6. printf("%d ", *p);7. }

8. void foo(int *p)

9. {

10. int j = 2;11. p = &j;

12. printf("%d ", *p);

13. }

a) 2 97b) 2 2

c) Compile time errord) Segmentation fault/code crash

Answer:a



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1. #include

2. int main()

3. {

4. int i = 97, *p = &i;5. foo(&p);

6.

printf("%d ", *p);7. return 0;8. }

9. void foo(int **p)10. {

11. int j = 2;12. *p = &j;

13. printf("%d ", **p);

14. }

a) 2 2

b) 2 97c) Undefined behaviour

d) Segmentation fault/code crash

Answer:a


1. #include

2. int main()

3. {4. int i = 11;

5.

int *p = &i;6. foo(&p);

7. printf("%d ", *p);8. }

9. void foo(int *const *p)

10. {11. int j = 10;

12. *p = &j;

13. printf("%d ", **p);14. }

a) Compile time errorb) 10 10

c) Undefined behaviour

d) 10 11

Answer:a


1. #include


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2. int main()

3. {

4. int i = 10;

5. int *p = &i;6. foo(&p);

7.

printf("%d ", *p);8. printf("%d ", *p);9. }

10. void foo(int **const p)11. {

12. int j = 11;13. *p = &j;

14. printf("%d ", **p);

15. }

a) 11 11 11

b) 11 11 Undefined-valuec) Compile time error

d) Segmentation fault/code-crash

Answer:b

8. What is the output of the code below?

1. #include

2. int main()

3. {4. int i = 10;

5.

int *const p = &i;6. foo(&p);

7. printf("%d\n", *p);8. }

9. void foo(int **p)

10. {11. int j = 11;

12. *p = &j;

13. printf("%d\n", **p);14. }

a) 11 11b) Undefined behaviour


d) Segmentation fault/code-crash

Answer:a

9. Which of the following are correct syntaxes to send an array as a parameter to function:a) func(&array);

b) func(array);


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c) func(*array);

d) func(array[size]);

Answer:a & b

1. Which of the following can never be sent by call-by-value?

a) Variableb) Arrayc) Structures

d) Both (b) and (c)

Answer:b

2. Which type of variables can have same name in different function:

a) global variablesb) static variables

c) Function arguments

d) Both (b) and (c)

Answer:d

3. Arguments that take input by user before running a program are called?a) main function arguments

b) main arguments

c) Command-Line arguments

d) Parameterized argumentsAnswer:c

4. The maximum number of arguments that can be passed in a single function are_____________a) 127

b) 253c) 361d) No limits in number of arguments

Answer:b


1. #include

2. void m(int *p, int *q)

3. {

4. int temp = *p; *p = *q; *q = temp;

5.

}6. void main()

7. {

8. int a = 6, b = 5;9. m(&a, &b);

10. printf("%d %d\n", a, b);

11. }


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a) 5 6

b) 6 5

c) 5 5

d) 6 6Answer:a


1. #include 2. void m(int *p)

3. {

4. int i = 0;

5. for(i = 0;i < 5; i++)6. printf("%d\t", p[i]);

7. }

8. void main()

9.

{10. int a[5] = {6, 5, 3};

11. m(&a);

12. }

a) 0 0 0 0 0b) 6 5 3 0 0c) Run time error

d) 6 5 3 junk junk

Answer:b


1. #include

2. void m(int p, int q)3. {

4. int temp = p;

5. p = q;

6. q = temp;7. }

8. void main()

9. {

10.

int a = 6, b = 5;11. m(a, b);

12. printf("%d %d\n", a, b);

13. }

a) 5 6b) 5 5c) 6 5


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d) 6 6

Answer:c


1.

#include 2. void m(int p, int q)

3. {

4. printf("%d %d\n", p, q);5. }

6. void main()

7. {

8. int a = 6, b = 5;9. m(a);

10. }

a) 6b) 6 5

c) 6 junk valued) Compile time error

Answer:d


1. #include

2. void m(int p)

3. {

4.

printf("%d\n", p);5. }

6. void main()

7. {8. int a = 6, b = 5;

9. m(a, b);

10. printf("%d %d\n", a, b);

11. }

a) 6b) 6 5

c) 6 junk valued) Compile time error

Answer:d


1. #include

2. void main()

3. {


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4. int a[3] = {1, 2, 3};

5. int *p = a;

6. printf("%p\t%p", p, a);

7. }

a) Same address is printed.b) Different address is printed.c) Compile time error

d) Nothing

Answer:a


1. #include

2. void main()

3. {

4.

char *s = "hello";5. char *p = s;

6. printf("%p\t%p", p, s);7. }

a) Different address is printedb) Same address is printed

c) Run time error

d) Nothing

Answer:b


1. #include

2. void main()3. {

4. char *s= "hello";

5. char *p = s;6. printf("%c\t%c", p[0], s[1]);

7. }

a) Run time error

b) h hc) h e

d) h lAnswer:c




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3. {


5. char *p = s;

6. printf("%c\t%c", *(p + 3), s[1]);7. }

a) h eb) l l

c) l o

d) l eAnswer:d


1. #include

2. void main()

3.

{4. char *s= "hello";

5. char *p = s;6. printf("%c\t%c", 1[p], s[1]);

7. }

a) h h

b) Run time error

c) l l

d) e eAnswer:d

6. What is the output of the code given below?

1. #include 2. void foo( int[] );

3. int main()

4. {5. int ary[4] = {1, 2, 3, 4};

6. foo(ary);

7. printf("%d ", ary[0]);

8. }

9.

void foo(int p[4])10. {

11. int i = 10;

12. p = &i;13. printf("%d ", p[0]);

14. }

a) 10 10



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c) 10 1


Answer:c


1. #include

2. int main()

3. {4. int ary[4] = {1, 2, 3, 4};

5. int *p = ary + 3;

6. printf("%d\n", p[-2]);

7. }

a) 1b) 2

c) Compile time errord) Some garbage value

Answer:b


1. #include

2. int main()3. {

4. int ary[4] = {1, 2, 3, 4};

5. int *p = ary + 3;

6.

printf("%d %d\n", p[-2], ary[*p]);7. }

a) 2 3b) Compile time error

c) 2 4

d) 2 somegarbagevalueAnswer:d


1.

#include 2. int main()3. {

4. int ary[4] = {1, 2, 3, 4};

5. printf("%d\n", *ary);6. }

a) 1b) Compile time error


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c) Some garbage value

d) Undefined variable

Answer:a


1. #include

2. int main()

3. {4. const int ary[4] = {1, 2, 3, 4};

5. int *p;

6. p = ary + 3;

7. *p = 5;8. printf("%d\n", ary[3]);

9. }

a) 4b) 5

c) Compile time errord) 3

Answer:b

3. Different ways to initialize an array with all elements as zero are

a) int array[5] = {};

b) int array[5] = {0};

c) int a = 0, b = 0, c = 0;int array[5] = {a, b, c};

d) All of the mentionedAnswer:d

4. The elements in the array of the following code areint array[5] = {5};

a) 5, 5, 5, 5, 5

b) 5, 0, 0, 0, 0

c) 5, (garbage), (garbage), (garbage), (garbage)d) (garbage), (garbage), (garbage), (garbage), 5

Answer:b

5. Which of the following declaration is illegal?a) int a = 0, b = 1, c = 2;

int array[3] = {a, b, c};

b) int size = 3;int array[size];

c) int size = 3;

int array[size] = {1, 2, 3};d) All of the mentioned

Answer:c


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6. An array of similar data types which themselves are collection of dissimilar data type are

a) Linked Lists

b) Trees

c) Array of Structured) All of the mentioned

Answer:c

7. Comment on an array of void data type:

a) It can store any data-type

b) It only stores element of similar data type to first elementc) It acquires the data type with the highest precision in it

d) You cannot have an array of void data type

Answer:d


1.


3. {4. int ary[4] = {1, 2, 3, 4};

5. int p[4];

6. p = ary;

7. printf("%d\n", p[1]);8. }

a) 1b) Compile time error

c) Undefined behaviourd) 2Answer:b



3. {

4. double *ptr = (double *)100;

5. ptr = ptr + 2;

6.

printf("%u", ptr);7. }

a) 102

b) 104

c) 108d) 116

Answer:d


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2. Comment on the output of this C code?


3. {

4.

int *p = (int *)2;5. int *q = (int *)3;6. printf("%d", p + q);

7. }

a) 2

b) 3

c) 5d) Compile time error

Answer:d

3. Which of the following operand can be applied to pointers p and q?(Assuming initialization as int *a = (int *)2; int *b = (int *)3;)

a) a + bb) ab

c) a * b

d) a / b

Answer:b

4. What is the size of *ptr in a 32-bit machine, (assuming initialization as int *ptr = 10;)?

a) 1b) 2

c) 4d) 8Answer:c

5. Which of following logical operation can be applied to pointers?

(Assuming initialization int *a = 2; int *b = 3;)

a) a | b

b) a ^ bc) a & b


Answer:d


1. #include

2. void main()

3. {4. char *s = "hello";

5. char *p = s;

6. printf("%c\t%c", *(p + 1), s[1]);


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7. }

a) h eb) e l

c) h h

d) e eAnswer:d


1. #include

2. void main()3. {4. char *s = "hello";

5. char *p = s;

6. printf("%c\t%c", *p, s[1]);

7.

}

a) e hb) Compile time error

c) h h

d) h eAnswer:d


1. #include

2.

void main()3. {

4. char *s = "hello";

5. char *n = "cjn";6. char *p = s + n;

7. printf("%c\t%c", *p, s[1]);

8. }

a) h e


c) c o

d) h nAnswer:b


1. #include

2. void main()

3. {4. char *s = "hello";


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5. char *p = s * 3;

6. printf("%c\t%c", *p, s[1]);

7. }

a) h e

b) l ec) Compile time errord) l h

Answer:c



3. {


5.

char *p = s + 2;6. printf("%c\t%c", *p, s[1]);

7. }

a) l e

b) h ec) l l

d) h l

Answer:a


1. #include

2. int main()

3. {4. void *p;

5. int a[4] = {1, 2, 3, 8};

6. p = &a[3];7. int *ptr = &a[2];

8. int n = p - ptr;

9. printf("%d\n", n);

10. }

a) 1

b) Compile time errorc) Segmentation fault

d) 4

Answer:b



39/40




1. #include

2. int main()

3. {

4. void *p;5. int a[4] = {1, 2, 3, 4};

6.

p = &a[3];7. int *ptr = &a[2];8. int n = (int*)p - ptr;

9. printf("%d\n", n);10. }

a) 1


c) Segmentation faultd) 4

Answer:a


1. #include

2. int main()

3. {

4. int a[4] = {1, 2, 3, 4};5. int b[4] = {1, 2, 3, 4};

6. int n = &b[3] - &a[2];

7. printf("%d\n", n);8. }

a) -3b) 5

c) 4

d) Compile time errorAnswer:a


1. #include

2. int main()

3.

{4. int a[4] = {1, 2, 3, 4};

5. int *p = &a[1];

6. int *ptr = &a[2];7. ptr = ptr * 1;


9. }


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a) 2

b) 1


d) Undefined behaviourAnswer:c



3. {

4. int a[4] = {1, 2, 3, 4};

5. int *ptr = &a[2];6. float n = 1;

7. ptr = ptr + n;


9.

}

a) 4b) 3



Answer:c


1. #include

2.

int main()3. {

4. int a[4] = {1, 2, 3, 4};

5. void *p = &a[1];6. void *ptr = &a[2];

7. int n = 1;

8. n = ptr - p;

9. printf("%d\n", n);10. }

a) 1

b) 4c) Compile time error

d) Depends on the compiler

Answer:b

Documents

ACP MCQ.docx