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This test is run by guest.
Note that your final mark will not be saved in the system.

1. The CPU Reorder

Target Level

Running Total

Attempt

1 of 3

Drag and drop the boxes into the correct order.

Place the elements of the 'fetch' component of the fetch-decode-execute cycle into the correct order.

Contents of the PC are incremented
Control unit decodes the instruction
Instruction is copied into the CIR
Instruction travels along the data bus
Instruction is copied into the MDR
Contents of the PC are copied to the MAR
Memory location addressed by the MAR is accessed
Instruction's address is transmitted along the address bus

This is your 1^st attempt! The marking algorithm gives more marks for getting the right order first time.

Pass Mark

70%