Multilevel Viewpoint Of A Machine

Assembly Language

Level 4

Assembly language level

• In this level High Level Codes or language is converted into Assembly Language by a Translator called Assembler.

• Assembly language which uses NMEMONICS code is easier than Machine language using binary or Hexadecimal codes

• It is easier to remember ADD, MUL, SUB or DEL than their corresponding numerical values in Machine Language.

• The Assembly language can directly test if there is an overflow bit while a higher level language cannot.

• An assembly language can only run on one family of machine (Each machine has its own assembly) while a higher level language can run on many machines.

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