Question: The Hack assembler is a two-pass assembler. Explain why there is a need for going twice over the code. There is a method named backpatching

The Hack assembler is a two-pass assembler. Explain why there is a need for going twice over the code. There is a method named backpatching that solves this issue with one pass only. Describe this method. What are the pros and cons for one pass assembly vs. two pass assembly?

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