6.3.1. Unit 1 and Unit 2

Try these first

1. 1.

   What are the three main steps in the instruction cycle?

   Hint

   Remember the acronym 'FDE'.

2. 2.

   Define micro-operation.

   Hint

   Think of it as the building blocks of larger instructions.

3. 3.

   What are the three main steps in the instruction cycle?

   • Fetch
   • Compute
   • Execute
   • Fetch
   • Decode
   • Execute
   • Fetch
   • Process
   • Execute

   Hint

   Use the acronym 'FDE' to remember.

4. 4.

   True or False: Control signals are not essential for computer operation.

   • True
   • False

   Hint

   Consider what happens to a computer without direction.

5. 5.

   Design a control unit for a simplified single bus architecture. What considerations must you keep in mind regarding control signals?

   Hint

   Reflect on how a single pathway constrains data flow.

6. 6.

   Evaluate the effectiveness of a multiple bus architecture over a single bus architecture. What are the implications on control signal complexity?

   Hint

   Think about the advantages of dedicated routes for data transfer.