POINTERS Meaning and
Definition
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Pointers are elements in programming languages that provide a way to access data indirectly by storing the memory address of another value. They serve as variables that "point" to the location of data in a computer's memory. Pointers allow programs to efficiently manipulate and manage memory by directly accessing data stored in a specific location rather than making copies of the data.
In some programming languages like C++, pointers are represented by a data type that defines the type of data being pointed to, such as integers, characters, or custom data structures. Pointers enable dynamic memory allocation and deallocation, facilitating the creation and control of data structures like arrays, linked lists, and trees.
When a pointer is dereferenced, it retrieves the actual value stored at the memory address it references. This allows programs to retrieve, modify, or manipulate data indirectly. Pointers are particularly useful in scenarios where functions need to modify values outside their own scope, as well as for passing large data structures efficiently by sharing memory locations rather than copying entire data sets.
However, the usage of pointers also carries certain risks, such as null references and dangling pointers, which may lead to program crashes or undefined behavior if not handled carefully. Therefore, proper memory management and understanding of pointer concepts are critical in programming to ensure efficient and reliable code execution.
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The twobright stars of the Great Bear which serve to point out the pole-star, a line drawn through them and prolonged nearly indicating it.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Common Misspellings for POINTERS
Etymology of POINTERS
The word "pointers" has its roots in the Middle English word "pointen", which means "to direct or indicate". This Middle English word is derived from the Old French "pointer" meaning "to show or point". The term "pointers" is related to the action of pointing, directing, or indicating something. In the context of computing, "pointers" refers to a variable type that stores the memory address of another variable, essentially pointing to its location.
Similar spelling words for POINTERS
- Pointrel,
- ponder,
- pointer,
- ponderously,
- painter,
- ponderosity,
- pounders,
- pinter,
- ponderosa,
- ponderous,
- poynter,
- ponderer,
- pounder.
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