Components of Instruction Execution

Program Counter

Instructions, stored

in memory

Registers

Data, stored

in memory

1200 PC

1200: add $8,$8,$9

1204: addi $3,$8,1

1208: lw $8,0($19)

120C: slt $6,$6,$4

0: 0

1: 1

...

8: 9000

9: 2

10: 550

...

19: 8200

20: 0

...

30:73048

31:73040

...

8200: 71

8204: 550

8208: 0

820C: 282

...

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