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Levels of Code High Level Language Program ↓ Assembly Language Program ↓ Machine Language Program How to translate ? ? ? When high-level language is translated into assembly language, to use a compiler. When assembly language is tranlated into machine language, to use an assembler. High-lever language (Machine independent) temp = a; a = b; b = temp; Assembly language lw $15, 0($2) lw $16, 4($2) ..

About computer structure . . . Application software - high-level language System software - Compiler / Operating system Hardware - Processor, memory, I/O controllers Compiler 1. Translates HLL code to machine code Operating system 1. Handling input and output 2. Managing memory and storage Scheduling tasks & sharing resources ◡̈