Review: Levels of Abstraction

High Level Language Program

Assembly Language Program

Machine Language Program

Control Signal Specification

Compiler

Assembler

Machine Interpretation

temp = v[k];

v[k] = v[k+1];

v[k+1] = temp;

0000 1001 1100 0110 1010 1111 0101 1000

1010 1111 0101 1000 0000 1001 1100 0110

1100 0110 1010 1111 0101 1000 0000 1001

0101 1000 0000 1001 1100 0110 1010 1111

lw $15, 0($2)

lw $16, 4($2)

sw $16, 0($2)

sw $15, 4($2)

Transistors turning on and off

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