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Read and Write Operations: Components (Control Bus (Write Line (Instructs…
Read and Write Operations: Components
Control Bus
Write Line
Instructs memory to
take data on the bus and
place it in the location
specified by the address bus
Read Line
Instructs data to place
data from specified memory
address on the data bus
Register
There are multiple kinds of register:
Address Register
This holds the address of memory location before being transferred away during a read operation to the memory register, and from data to memory during a write
Memory Register
It receives data during a read operation, and stores it until being sent to the address register during a write operation
Data Bus
The Data Bus serves different functions dependant on the operation
Write
Data is transferred to the Address register via this bus
Read
Data is transferred from the Address Register to the Data register using this bus
Address Bus
The address bus holds the memory location that is being accessed.