Wednesday, 18 April 2018

What is Hard Disk? (IT Tools & Business System)

Hard Disk- Hard disk is magnetic is a magnetic disk that is made of metal and covered with a magnetic recording surface. It is  the drive of the main location. where all the data is physical storage. Hard disk drive consist of spinning platters of aluminium that is coated with a magnetic media. A single hard disk usually Consist of several platter. The capacity of hard disk is range from 10 GB TO 4.7 TB. 




Platters- The Actual fixed Disk with in the Hard disk drive. There can be several platters with in hard drive. 

Sector- Track is divided in to equal sector. 

cylinder- Track of the same diameter on each platters is called cylinder. 

magnetic tape- It is a sequential access storage device that means data is read in serial manner. 

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