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.
CPU directly communicates with the Hard Disk.
CPU
A hard disk is not directly accessible by the CPU.
A computer's CPU and hard drive are found in theD. system unit
A computer hard disk or hard drive (fixed disk) is hardware.
cpu power, hard disk read/write capability, RAM read/write, software programmation
There are several components within a computer that help computer to go faster and more powerful. -Processor (CPU) - Memory (RAM) - Hard Disk.
No, a hard disk drive is not a part of the motherboard. The mother board is the actual processing unit of the cpu. It performs all the operations and calculations etc while the hard disk is the memory storage unit of the computer. The hard disk is where all the pictures, file, movies, documents etc. are stored in the computer. These files are of course accessed by the motherboard as nothing can happen without the motherboard!
The hard disk is a device which attached in a CPU where data , program ,and folder are being stored .
cpu
speed of ram, speed of cpu, how empty the hard disk drive is
The computer's hard disk is hardware.