RAID
Hard Disk
A hard disk is a device that is used to store large amounts of data in a computer system. Hard disks differ from other memory because they are non-volatile, they retain the data even when they do not have power.
RAID
A hard drive does not inherently increase the security of a computer system.
hard disk is a collection power of computer and all the data are store in hard disk for the the long time save.
Operating system is obviously resides in computer memory which is hard disk. But the main (booting) files are loaded into ROM by bootstrap loader at the time of start of the computer. Have you ever seen your C drive (or the drive which is for system, program files). This drive is on hard disk ... so OPERATING SYSTEM PLACED MAINLY ON HARD DISK...
A computer hard disk or hard drive (fixed disk) is hardware.
The computer's hard disk stores data - be that the operating system, application programs, documents or virtual memory.Stores data that needs to be kept between times when the computer is turned off.
disk defragmenter
Yes, the kernel remains on the hard disk when the computer system is powered off. It is stored as part of the operating system files. When the computer is booted, the kernel is loaded into memory (RAM) to manage system resources and hardware interactions during operation.
Hard Disk
The computer's hard disk is hardware.