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单词 assembly language
释义
assembly language

Computer
  • A notation for the convenient representation of machine-code programs in human-readable terms. An assembly language allows the programmer to use alphabetic operation codes with mnemonic significance, to use personally chosen symbolic names for memory registers, and to specify addressing schemes (e.g. indexing, indirection) in a convenient way. It also allows the use of various number bases (e.g. decimal, hexadecimal) for numerical constants, and allows the user to attach labels to lines of the program so that these lines can be referenced in a symbolic manner from other parts of a program (usually as the destination of a control transfer or jump).


Electronics and Electrical Engineering
  • The principle machine-oriented language. As each different type of computer has a different architecture (e.g. registers, data paths, flags), they also have different assembly languages. Assembly language is a symbolic language in which mnemonic codes are used to represent the machine-code instructions available in the computer’s instruction set. Thus there is a one-to-one correspondence between the mnemonic instruction codes and the actual machine codes. Each assembly language has its own particular assembler program that converts the assembly language into a binary code (machine code) that the processor understands.


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