The maximum accessible memory for the PC is 16 gigabytes. It has a 32-bit address bus width.
What is an Address bus?
The hardware address of the physical memory, or the physical address, is a computer bus architecture used to transfer data between devices. This address is maintained as a string of binary integers to allow the data bus to access memory storage.
What is accessible memory?
Playing the memory game Accessible Memory with pushbuttons or by touching the screen is interchangeable. Use the provided images or make your own tabs are the main features.
our CPU is to be connected to ram with 16GB capacity [this means the ram stores data 1byte in the x-direction and 16g in the y-direction]. And the required address bus width between the CPU and ram to support 16g discrete addresses is 32.
Hence, 32 Address bus width is required.
To learn more about Address bus from the given link
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