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What is use of pointer?

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MS SQL SERVER DBA Trainer

A pointer is a variable whose value is the address of another variable, i.e., direct address of the memory location. Like any variable or constant, you must declare a pointer before you can use it to store any variable address.
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Pointers are the memory locations which stores the address of other variable...
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Computer science

Pointer are variable that hold a memory location.
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Computer Science Faculty

Pointers are used for referring memory addresses which has values stored with it. pointers can be sent as arguments to the functions . Multiple values can be added.
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3 years of teaching experience

Pointer is used to directly access the memory we can use it for dma that is dynamic memory allocation that is it is used to allocate memory at runtime.Some C programming tasks are performed more easily with pointers, and other tasks, such as dynamic memory allocation, cannot be performed without using...
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Pointer is used to directly access the memory we can use it for dma that is dynamic memory allocation that is it is used to allocate memory at runtime.Some C programming tasks are performed more easily with pointers, and other tasks, such as dynamic memory allocation, cannot be performed without using pointers. So it becomes necessary to learn pointers to become a perfect C programmer. read less
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Professional Training Provider (Focus on to clear Basic Concept)

Pointer is a memory reference where a variable stored.
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IT trainner with 15 years of experience in Trainning new skills.

A pointer is a variable containing address of another variable. It means when we use pointers, the execution speed is increased, pointers reduce the length and complexity of a program .
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Tutor

Pointers are used for dynamic memory allocation. A pointer points to a memory location. It is declared as a variable. Value assigned to a pointer is address of another variable. Arithmetic operations can be performed on pointer variables.
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Pointer is mainly used to find the address of variables
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Pointer is mainly used to find the address of variables, arrays , structure etc. With this we can acces the values stored at this address.
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