Top 100+ questions in Technology

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Q: Explain the difference between *ptr++ and ++*ptr same?

Explain the difference between *ptr++ and ++*ptr same?...

asked Jan 23, 2021 in Technology by JackTerrance

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Q: Are the expressions *++ptr and ++*ptr same?

Are the expressions *++ptr and ++*ptr same?...

asked Jan 23, 2021 in Technology by JackTerrance

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Q: What is the difference between a macro and a function?

What is the difference between a macro and a function?...

asked Jan 23, 2021 in Technology by JackTerrance

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Q: What is a difference between unsigned int and signed int in C?

What is a difference between unsigned int and signed int in C?...

asked Jan 23, 2021 in Technology by JackTerrance

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Q: What are the uses of the keyword static?

What are the uses of the keyword static?...

asked Jan 23, 2021 in Technology by JackTerrance

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Q: What is the difference between global and static global variables?

What is the difference between global and static global variables?...

asked Jan 23, 2021 in Technology by JackTerrance

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Q: Which type of pointer is the most convenient way of storing the raw address in C programming?

Which type of pointer is the most convenient way of storing the raw address in C programming?...

asked Jan 23, 2021 in Technology by JackTerrance

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Q: What is the output of the below program? Answer: #include<stdio.h> int main() { printf("%u",sizeof(NULL)); return 0; }

What is the output of the below program? #include int main() { printf("%u",sizeof(NULL)); return 0; }...

asked Jan 23, 2021 in Technology by JackTerrance

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Q: ‘ptr’ is a pointer to a data type. The expression *ptr++ is evaluated as?

‘ptr’ is a pointer to a data type. The expression *ptr++ is evaluated as?...

asked Jan 23, 2021 in Technology by JackTerrance

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Q: When should we use pointers in a C program?

When should we use pointers in a C program?...

asked Jan 22, 2021 in Technology by JackTerrance

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Q: Can we have a volatile pointer?

Can we have a volatile pointer?...

asked Jan 22, 2021 in Technology by JackTerrance

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Q: What is the use of a double pointer (pointer to pointer) in C?

What is the use of a double pointer (pointer to pointer) in C?...

asked Jan 22, 2021 in Technology by JackTerrance

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Q: What is the return value of malloc (0)?

What is the return value of malloc (0)?...

asked Jan 22, 2021 in Technology by JackTerrance

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Q: What is the memory leak in C?

What is the memory leak in C?...

asked Jan 22, 2021 in Technology by JackTerrance

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Q: What are the advantages of using an array of pointers to string instead of an array of strings?

What are the advantages of using an array of pointers to string instead of an array of strings?...

asked Jan 22, 2021 in Technology by JackTerrance

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Q: Are the expressions *ptr ++ and ++*ptr same ?

Are the expressions *ptr ++ and ++*ptr same ?...

asked Jan 22, 2021 in Technology by JackTerrance

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Q: Is the allocated space within a function automatically deallocated when the function returns?

Is the allocated space within a function automatically deallocated when the function returns?...

asked Jan 22, 2021 in Technology by JackTerrance

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Q: What is an array of pointers?

What is an array of pointers?...

asked Jan 22, 2021 in Technology by JackTerrance

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Q: What is a normalized pointer, how do we normalize a pointer?

What is a normalized pointer, how do we normalize a pointer?...

asked Jan 22, 2021 in Technology by JackTerrance

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Q: What is the difference between pointer to an array and array of pointers?

What is the difference between pointer to an array and array of pointers?...

asked Jan 22, 2021 in Technology by JackTerrance

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Q: Can we perform arithmetic operation on pointers?

Can we perform arithmetic operation on pointers?...

asked Jan 22, 2021 in Technology by JackTerrance

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Q: Where can the function pointers be used?

Where can the function pointers be used?...

asked Jan 22, 2021 in Technology by JackTerrance

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Q: How to declare a pointer to a function in C?

How to declare a pointer to a function in C?...

asked Jan 22, 2021 in Technology by JackTerrance

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Q: What is a Function Pointer?

What is a Function Pointer?...

asked Jan 22, 2021 in Technology by JackTerrance

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Q: What is the cause of the stack overflow?

What is the cause of the stack overflow?...

asked Jan 22, 2021 in Technology by JackTerrance

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Q: What is the stack overflow?

What is the stack overflow?...

asked Jan 22, 2021 in Technology by JackTerrance

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Q: What are the common causes of the segmentation fault in C?

What are the common causes of the segmentation fault in C?...

asked Jan 22, 2021 in Technology by JackTerrance

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Q: What is the difference between Segmentation fault and Bus error?

What is the difference between Segmentation fault and Bus error?...

asked Jan 22, 2021 in Technology by JackTerrance

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Q: What is segmentation fault in C?

What is segmentation fault in C?...

asked Jan 22, 2021 in Technology by JackTerrance

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Q: What is the address of operator ( &)?

What is the address of operator ( &)?...

asked Jan 22, 2021 in Technology by JackTerrance