A hard disk is not directly accessible by the CPU.
The computer hard disk and CPU have completely different purposes. Your question asks "or", so I will tell you that the hard disk stores data and programs. Having answered that the "or" means I must not tell you what the CPU does.
hard disk,mother board
cpu and memory
hard disk,mother board
· This holds the data and programs needed at that instant by the Control Unit. The CPU reads data and programs kept on the hard disk and stores them temporarily in the IAS's memory. This is because the hard disk is too slow to be able to run applications directly.
CPU
Mother Board, RAM, Hard disk drive DVD drive
cpu memory hard disk power supply
System unit
By the north and south bridge.
keyboard,mouse,scanner,cpu,printer,hard disk, compact disk, printer, diskette; what relevances do they contribute to political science as a field of study? keyboard,mouse,scanner,cpu,printer,hard disk, compact disk, printer, diskette; what relevances do they contribute to political science as a field of study? keyboard,mouse,scanner,cpu,printer,hard disk, compact disk, printer, diskette; what relevances do they contribute to political science as a field of study?