What is disk technology? find here
Introduction Disk technology refers to the technologies used to store and retrieve data on magnetic disks. Magnetic disks are circular platters coated with a magnetic material. Data is stored on the disks by magnetizing small areas of the magnetic material in different directions. Disk technology has evolved over time, with new technologies being developed to increase storage capacity, performance, and reliability. Some of the key disk technologies include: Types of Disk Perpendicular magnetic recording (PMR): PMR is the most widely used disk technology today. It stores data by magnetizing small areas of the magnetic material perpendicular to the surface of the disk. Heat-assisted magnetic recording (HAMR): HAMR uses a laser to heat the magnetic material on the disk before writing data. This allows for more data to be stored in a smaller area. Microwave-assisted magnetic recording (MAMR): MAMR uses microwaves to heat the magnetic material o...