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16 MB main memory. 3: F =read T=write. 4. MAR(24). 5. 26. MBR(32). 6. 25. PC(24). 7. 24. op(8). IR add(24). 8. 23. BUS. ACC(32). 9. 22. X(24). BUS. 10. 21. SP(24). 11. T(32). 20 ENF 19 F0 18 F1 17 ENA 16 ENB 15 INA 14 INC. 32-bit ALU. 32-bit Shifter.
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16 MB main memory 3: F =read T=write 4 MAR(24) 5 26 MBR(32) 6 25 PC(24) 7 24 op(8) IR add(24) 8 23 BUS ACC(32) 9 22 X(24) BUS 10 21 SP(24) 11 T(32) 20 ENF 19 F0 18 F1 17 ENA 16 ENB 15 INA 14 INC 32-bit ALU 32-bit Shifter 13 SL 12 SR 32-bit path 24-bit path