During a read operation ________.

		the processor places the transferred data on the data bus so that the selected device can store it back in memory
		the processor deactivates the read control line once it has latched the data on the data bus into an internal register
		the processor waits for the selected device to activate the read control line before transferring data from the data bus into an internal register
		the selected device no longer contains data once the processor transfers it from the data bus