CPU 1 Quiz

1. What are pins on CPU/motherboard for

2. When a computer first processes a program, it:

3. The RAM address consists of:

4. RAM doesn’t do anything with RAM address until the CPU:

5. When the Enable wire is on, the RAM:

6. When CPU Set is enabled

7. What’s some of the most important data in RAM?

8. With RAM, to output a number to an external device, you need to know

9. The control unit receives orders from ____ in the form of instructions

10. What does the Control Unit break down instructions for

11. The Control Unit Receives ____ from RAM and tells ____ to the ALU

12. An ALU can have an output, but when a compare instruction is being used:

13. How does the ALU tell the Control Unit something?

14. The 8 wires that go out of ALU connect to:

15. What is a registers job

16. Register act like ____ but are in CPUs, making them faster for storing a number temporarily.

17. The ALUs output to register won’t be saved unless the control unit turns on the register ____

18. The control units Enable wire allows the ALUs register to

19. Disadvantage of bus

20. Input from ALU comes directly from bus aswell as ____

21. The temporary register and instruction register DO NOT need enable wires

22. A flag is a wire that is on or off.

23. The Instruction Address is for

24. The Memory Address

25. Once the Instruction Address is set into the Memory Address Register:

26. Jump If instruction checks if equal flag is on by