A Brief Introduction And Specifications Of Your Computer Hard Disk
The hard disk is a storage device. Personal computers and laptop hard disk with a storage device that is commonly used. Programs and operating many application systems require a hard disk for installation. One or more hard disk platters are metal. The platters are coated with material from both sides magnetic. The top and bottom sides of the platters used to store information. Hard Disk works as a unit. It consists platters. Moreover, it is a motor to rotate the platters that. On both sides of each platter, a read / write heads are.
Arms are still on the hard disk, the read / write heads on the platters are moving in a certain direction, so that He can give a read or write. All parts of the hard disk in an airtight casing are closed. The hard disk is not portable, you cannot keep it with you. This computer is fixed. Hence the hard disk is also called a fixed disk. Disks or platters are circular shape. Disk surface is logically divided into circular tracks. The distribution sector, make it more tracks.
A different platters set of tracks that are in specific head position is called the cylinder. However the basic unit to store sector are given. The number thirty-two in all sectors is the same. Generally, a Sector in the Deta’s capacity is approximately 512 Bits. Today, personal computer’s hard disk capacity of 40 GB to 500GB is more than that. Platters aluminum, glass it is made from ceramic, which is offered alloy, has the ability to store the data. The hard disk is formatted before it can store. Operating systems on both sides of the platters makes logical tracks and more tracks are divided into sectors.