Question

table of incomplete instruction is used in which assembler to avoid the problem of forward refrence​

Answer 1

Answer:

nzjsjsnszmsznsjskskabshzjzk

Answer 2

Answer:

Using a two-pass assembler is the answer to the forward references problem. To process the definition of symbols, it generates a number of passes that are required.

Explanation:

How the problem of forward reference is resolved in assembler?

• Assembler is a language converter that takes assembly language (ALP) inputs and converts them into machine comparable code (Object code), together with any additional data needed by the loader.
• Language at the lowest level is ALP.
• Line by line statement execution is an option.

Arguments in favor of Multiphases Assemblers

• By using more than one pass, an assembler is said to be multipass.
• Forward references are removed from symbol definitions using multipass assembler.
• Issue With Forward References Anywhere in the programme, according to the assembler, should be used to define symbols.
• There is a possibility that a symbol could be used before it has been declared, which would cause a forward reference issue.
• Known as a forward references problem, this issue prevents the assembler from being able to put the instruction together.
• Using a two-pass assembler is the answer to the forward references problem.
• To process the definition of symbols, it generates a number of passes that are required.
• All the symbols and literals are revealed in the first pass.
• Assembling of code and data will be done in pass two (generating instruction and generating data).

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