N5S3 - Comp Structure - Buses

Question 1

Describe the purpose of buses

Answer 1

Allow communication to take place between the processor and RAM

Question 2

Name the two types of buses

Answer 2

Address bus and Data bus

Question 3

Describe the Address Bus

Answer 3

• holds the address in RAM that the processor is accessing.
• Uni-directional from the CPU to the RAM

Question 4

Describe the role of the Data Bus

Answer 4

• carries data between the processor and the memory.
• bi-directional, to and from the memory and processor.