Hard Disk Computer Definition
A hard disk is part of a unit often called a disk drive hard drive or hard disk drive that stores and provides relatively quick access to large amounts of data on an electromagnetically charged surface or set of surfaces.
Hard disk computer definition. A hard disk also referred to as a disk drive or hard drive is a magnetic disk for storing computer data. Today s computers typically come with a hard disk that can contain anywhere from billions to trillions of bytes of storage. The hard disk is a spindle of magnetic disks called platters that record and store information. It uses magnetic storage to store and retrieve digital data using one or more rigid rapidly rotating platters coated with magnetic material.
A hard disk drive hdd is a non volatile computer storage device containing magnetic disks or platters rotating at high speeds. How to use hard disk in a sentence. That is the computer keeps the data safe even after power off. It is a secondary storage device used to store data permanently random access memory ram being the primary memory device.
Hard disk definition is a rigid metal disk coated with a magnetic material on which data for a computer can be stored. Non volatile means data is retained when the computer is turned off. This is an important distinction between the hard disk and ram or memory which is reset when the computer s power is turned off. The platters are paired with magnetic heads that read and write data to the platter surfaces.
Because the data is stored magnetically information recorded to the hard disk remains intact after you turn your computer off. Hard disk also called hard disk drive hdd is a non volatile memory hardware device. Although the terms hard disk and hard drive are used. The hard disk is housed inside the hard drive which reads and.
They are called non volatile device which can store any type of data in the computer for a long time.