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What are the differences between single pass & multi-pass compiler?

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Single Pass Compiler Multi-Pass Compiler
1. Single pass compiler can be made to use more space than multi-pass compiler 1. Multi - pass compiler can be made to use less space than a single -pass compiler
2. Single pass compiler is faster than a multi -pass compiler 2. Multi - pass compiler is slower than a single pass compiler because each pass reads & writes an intermediate file.
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