assembly language

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assembly language

A programmer writes a simple program in assembly language.

Definition

Noun: A low-level programming language that uses short mnemonic codes (like ADD, MOV, JMP) to represent the basic instructions that a computer's central processing unit (CPU) can execute directly. It provides a human-readable representation of machine code, with a nearly one-to-one correspondence between its instructions and the CPU's native binary instructions.

Usage

Assembly language is used for direct hardware manipulation, optimizing critical sections of code for speed or size, and in systems programming (like operating systems or device drivers) where control over the hardware is essential. - The programmer wrote a critical function in assembly language to maximize its execution speed. - Understanding assembly language helps in debugging and reverse-engineering software.

Advanced Usage
  • "inline assembly": Assembly language code written directly within a program written in a high-level language (like C or C++).
    • The developer used inline assembly to optimize the graphics rendering loop.
  • "cross-assembler": An assembler that runs on one type of computer but produces machine code for a different type of CPU.
    • They used a cross-assembler on their PC to generate code for the embedded microcontroller.
Variants and Related Words
  • Assembler (noun): The computer program that translates assembly language source code into machine code.
    • The assembler produced an object file from the assembly code.
  • Assembly (noun): Often used as a shortened, informal form of "assembly language" or to refer to the process of assembling code.
    • The routine was written in assembly for maximum efficiency.
Synonyms
  • Low-level language: A programming language that provides little or no abstraction from a computer's instruction set architecture.
  • Machine code / Machine language: The binary code that is directly executed by the CPU. Assembly language is its textual representation.
Related Phrases
  • "hand-coded assembly": Assembly language written directly by a programmer, as opposed to code generated by a compiler.
    • The encryption algorithm was implemented in hand-coded assembly.
  • "assembly level": Referring to the perspective or details at the level of assembly language instructions.
    • Debugging at the assembly level revealed the exact point of the crash.
assembly language

A programmer writes a simple program in assembly language.

Noun
  1. a low-level programing language; close approximation to machine language