8.1. Fetch Stage

Try these first

1. 1.

   What is the purpose of the Program Counter in the fetch stage?

   Hint

   Think about the role of PC in guiding the execution order.

2. 2.

   Define clock grouping.

   Hint

   How can merging operations help in performance?

3. 3.

   What does the Program Counter do?

   • Stores instructions
   • Holds the address of the next instruction
   • Displays the current instruction

   Hint

   Think about its role in program execution flow.

4. 4.

   True or False: Clock grouping can help save time in the fetch stage.

   • True
   • False

   Hint

   Consider how merging operations can streamline processes.

5. 5.

   In what scenario would a race condition occur during the fetch stage, and how can it be resolved?

   Hint

   Consider how conflicting actions could be managed.

6. 6.

   Design a sequence of micro instructions to fetch an instruction in a non-immediate mode, showing all steps.

   Hint

   Think through each step involved in accessing and storing data.