Spec 1.1 · Von Neumann architecture
CPU Simulator
You're the Control Unit. Choose each step of the fetch–decode–execute cycle to run the program.
🏆 Best 0
Score 0
Mistakes 0
Cycle 1
FetchDecodeExecute
CPU
PC
Program Counter
MAR
Memory Address Register
MDR
Memory Data Register
ACC
Accumulator
CU
Control Unit – decoded instruction
ALU
Arithmetic Logic Unit
RAM
Instructions and data share the same memory (Von Neumann).
What should the CPU do next?