13.2.2. Stage 1: Operand Loading from Registers

Try these first

1. 1.

   What does the Program Counter do?

   Hint

   Think about how a book's page number helps you read.

2. 2.

   What is stored in the Instruction Register?

   Hint

   Consider which register is active during execution.

3. 3.

   What is the main function of the Program Counter?

   • Tracks data values
   • Stores current instruction
   • Points to the next instruction

   Hint

   Think about how a cookbook helps you follow the recipe step by step.

4. 4.

   True or False: The Memory Address Register is responsible for holding actual data.

   • True
   • False

   Hint

   Remember what each register is meant to hold.

5. 5.

   Considering an environment with unpredictable memory responsiveness, how can the CPU optimize instruction fetching to minimize delays?

   Hint

   Think about how delivery services predict demand.

6. 6.

   Explain how control signals vary in operation between a simple load instruction and an arithmetic instruction.

   Hint

   Compare the steps needed for getting data versus processing it.