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A hard disk is also known as a hard disk drive. It is an electro-mechanical data storage drive that stores or retrieves the data using magnetic storage. Data is accessed randomly, meaning an individual’s block can be stored sequentially. They are in the form of a rectangular box.
Hard disc is also called as Hard disc drive. This is the most crucial storage device inside the computer. It is a vacuumed set of concentric disks which divides into future tracks.
Types of hard disk
Parallel Advanced Technology Attachment (PATA): It first introduce by Compaq and Western Digital in 1960 and can have up to 80GB capacity and transfer data as fast as 133MB.These are also called integrated drive electronics (IDE)and Enhanced integrated drive electronics (EIDE).
Serial Advanced Technology Attachment (SATA): Recently, a lot of desktops and computers have got SATA interfaces because they have super-seeded PATA in size, power, consumption, and better pricing.
Small Computer System Interface (SCSI): This has an upgrade over SATA and also PATA interfaces for many reasons’(universal serial bus replace by SCSI on personal computers.
NVME (Volatile Memory Access) is a revolutionary interface for highly demanding and also computing-intensive tasks. It has a high performance and scalability where we find data centers and newer computers.
Cost: It low in price compare. A framework that contains a hard plate drive as the capacity.
Capacity: The limits for power are different, more enormous alternatives for the Clint HDD.
Moving parts: It contains a wall inside the area. These moving parts imply that the hard drive incline to harm or cause errors. It moved too energetically or time without adequate security.
Speed Hard: It is too slow and has an average speed compared to blaze memory.
Mechanical failure: It is more exposed to mechanical disappointments whenever a point drops and shivers; they can scratch each other, causing harm.
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