Computer Science for IGCSE & O level - Hardware (Section 10 - No. 9)
How does the width of the address bus affect the computer's capabilities?
It determines the size of the data that can be processed at once.
It determines the maximum amount of memory the CPU can access.
It determines the speed at which data is transferred.
It determines the frequency of the clock signal.
Forklaring
The address bus determines the number of unique memory locations a CPU can address (and thus the maximum amount of accessible memory).