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An abstraction can be seen as a compression process, [6] mapping multiple different pieces of constituent data to a single piece of abstract data; [7] based on similarities in the constituent data, for example, many different physical cats map to the abstraction "CAT".
In linguistics, a grapheme is the smallest functional unit of a writing system. [1] The word grapheme is derived from Ancient Greek gráphō ('write'), and the suffix -eme by analogy with phoneme and other emic units. The study of graphemes is called graphemics. The concept of graphemes is abstract and similar to the notion in computing of a ...
General programming abstractions are foundational concepts that underlie virtually all of the programming tasks that software developers engage in. By providing a layer of separation from the specifics of the underlying hardware and system details, these abstractions allow for the creation of complex logic in a more approachable and manageable ...
Abstraction is the thought process in which ideas are distanced from objects. Abstraction uses a strategy of simplification of detail, wherein formerly concrete details are left ambiguous, vague, or undefined; thus speaking of things in the abstract demands that the listener have an intuitive or common experience with the speaker, if the speaker expects to be understood.
The informative abstract, also known as the complete abstract, is a compendious summary of a paper's substance and its background, purpose, methodology, results, and conclusion. [ 23 ] [ 24 ] Usually between 100 and 200 words, the informative abstract summarizes the paper's structure, its major topics and key points. [ 23 ]
An example of this abstraction process is the generational development of programming language from the machine language to the assembly language and the high-level language. Each stage can be used as a stepping stone for the next stage. The language abstraction continues for example in scripting languages and domain-specific programming languages.
The instruction "write a creative poem on love" is a high-level instruction. The instruction "tighten the tendons in the dominant wrist to grip the pen" is a low-level description of an activity within that. "Wikipedia is an encyclopedia" is a high-level description compared to "Wikipedia is a collection of textual articles on many topics".
Often it is used to represent the whole of an abstract idea. Example: The phrase "The king's guns were aimed at the enemy," using 'guns' to represent infantry. Example: The word 'crown' may be used metonymically to refer to the king or queen, and at times to the law of the land.