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- Question
What do the following declaration signify?
int (*pf)();
Options- A. pf is a pointer to function.
- B. pf is a function pointer.
- C. pf is a pointer to a function which return int
- D. pf is a function of pointer variable.
- Correct Answer
- pf is a pointer to a function which return int
- 1. What do the following declaration signify?
char *arr[10];
Options- A. arr is a array of 10 character pointers.
- B. arr is a array of function pointer.
- C. arr is a array of characters.
- D. arr is a pointer to array of characters. Discuss
- 2. What are the different types of real data type in C?
Options- A. float, double
- B. short int, double, long int
- C. float, double, long double
- D. double, long int, float Discuss
- 3. Which statement will you add in the following program to work it correctly?
#include<stdio.h> int main() { printf("%f\n", log(36.0)); return 0; }
Options- A. #include<conio.h>
- B. #include<math.h>
- C. #include<stdlib.h>
- D. #include<dos.h> Discuss
- 4. A float occupies 4 bytes. If the hexadecimal equivalent of these 4 bytes are A, B, C and D, then when this float is stored in memory in which of the following order do these bytes gets stored?
Options- A. ABCD
- B. DCBA
- C. 0xABCD
- D. Depends on big endian or little endian architecture Discuss
- 5. Which of the following range is a valid long double (Turbo C in 16 bit DOS OS)?
Options- A. 3.4E-4932 to 1.1E+4932
- B. 3.4E-4932 to 3.4E+4932
- C. 1.1E-4932 to 1.1E+4932
- D. 1.7E-4932 to 1.7E+4932 Discuss
- 6. Declare the following statement?
"An array of three pointers to chars".
Options- A.
char *ptr[3](); - B.
char *ptr[3]; - C.
char (*ptr[3])(); - D.
char **ptr[3];
Discuss
- 7. What do the following declaration signify?
int *f();
Options- A. f is a pointer variable of function type.
- B. f is a function returning pointer to an int.
- C. f is a function pointer.
- D. f is a simple declaration of pointer variable. Discuss
- 8. Declare the following statement?
"A pointer to a function which receives an int pointer and returns float pointer".
Options- A.
float *(ptr)*int; - B.
float *(*ptr)(int) - C.
float *(*ptr)(int*) - D.
float (*ptr)(int)
Discuss
- 9. What do the following declaration signify?
char **argv;
Options- A. argv is a pointer to pointer.
- B. argv is a pointer to a char pointer.
- C. argv is a function pointer.
- D. argv is a member of function pointer. Discuss
- 10. Declare the following statement?
"A pointer to a function which receives nothing and returns nothing".
Options- A.
void *(ptr)*int; - B.
void *(*ptr)() - C.
void *(*ptr)(*) - D.
void (*ptr)()
Discuss
Complicated Declarations problems
Search Results
Correct Answer: arr is a array of 10 character pointers.
Correct Answer: float, double, long double
Explanation:
The floating point data types are called real data types. Hence
float,
double, and
long double are real data types.
Correct Answer: #include<math.h>
Explanation:
math.h is a header file in the standard library of C programming language designed for basic mathematical operations.
Declaration syntax: double log(double);
Correct Answer: Depends on big endian or little endian architecture
Correct Answer: 3.4E-4932 to 1.1E+4932
Explanation:
The range of long double is 3.4E-4932 to 1.1E+4932
Correct Answer:
char *ptr[3];Correct Answer: f is a function returning pointer to an int.
Correct Answer:
float *(*ptr)(int*)Correct Answer: argv is a pointer to a char pointer.
Correct Answer:
void (*ptr)()Comments
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