Low-level programming language Guide, Meaning , Facts, Information and Description

A programming language is low level when its programs require attention to the irrelevant.

- Humorous epigram from Epigrams In Programming by Alan Perlis.

In computer science, a low-level programming language is a language that provides little or no abstraction from a computer's microprocessor. The word "low" does not imply that the language is inferior to high-level programming languages but rather refers to the reduced amount of abstraction between the language and itself; because of this, low-level languages are sometimes described as being "closer to the hardware."

High-level versus low-level is a relative property; a Java programmer might consider C to be a low-level language, while an assembly language programmer would consider C to be a high-level programming language. A Python programmer might even consider Java a low-level language.

At a very low-level, low-level programming languages fall into two categories: first generation, and second generation.

Table of contents

1 First generation 2 Second generation 3 See also

First generation

The first-generation programming language, or 1GL, is machine code. It is the only language a microprocessor can understand natively. Machine code cannot be written or read using a text editor, and therefore it is rarely used by a person directly.

Second generation

The second-generation programming language, or 2GL, is Assembly Language. It is considered a second-generation language because while it is not a microprocessor's native language, an assembly language programmer must still understand the microprocessor's unique architecture (such as its registers and instructions).

See also

• Categorical list of programming languages

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