Computing

Difference Between Optical Disk and Magnetic Disk

Main Difference

Disks are used to store data and therefore it is essential for the person who wants to buy to know exactly what they are getting. The two terms discussed here are optical disk and magnetic disk; They come with their differences. First, one is made variable by the laser beam present on the surface which allows the data to become readable when needed and to write things by personal choice. The second becomes variable as it uses the magnetization process to read and write data to the system and does so with the help of a mechanical arm.

Comparison chart

Optical disc magnetic disc
General definition Devices that store information in the computer and in the system, which is presented in a round and flat shape and rotates along the axis. Devices that store information in the computer and in the system, which is presented in a round and flat shape and rotates along the axis.
Differentiation Uses laser tools to store and read information It uses magnetization process.
Working A laser is used to read the information stored in the dots and is then converted into an electrical signal that gives an audio or visual output. The mechanical arm becomes the main tool that the handle uses to read data from the device and write data to the disk.
Space 27GB maximum Several hundred GB

Definition of optic disc

It is a device that stores information in the computer and in the system, which is presented in a round and flat shape and rotates along the axis to give access to all parts of the information to the user. It is known as an optical disk and differs from other types by the laser beam present on the surface which allows data to become readable when needed and write things by personal choice. The first type of such device was made in the 1960s and used a micron-wide light and dark dot system. A laser was used to read the information stored in the dots and then it was converted into an electricity signal which gave an audio or visual output depending on the requirement. These systems were not advanced for a long time and gained more fame when the first compact disc was released around 1982. An optical disc has the capacity to store much more data compared to other devices and that stems from the fact that With the help of lasers, people can have a more controlled and focused system. This feature allows more data storage in the same space. Initially, data up to a few hundred MB was stored on such devices, but now, with the advent of Blu-ray space, up to 27 GB is available for tasks. people can have a more controlled and focused system. This feature allows more data storage in the same space. Initially, data up to a few hundred MB was stored on such devices, but now, with the advent of Blu-ray space, up to 27 GB is available for tasks. people can have a more controlled and focused system. This feature allows more data storage in the same space. Initially, data up to a few hundred MB was stored on such devices, but now, with the advent of Blu-ray space, up to 27 GB is available for tasks.

Definition of magnetic disk

It is a device that stores information in the computer and in the system, which is presented in a round and flat shape and rotates along the axis to give access to all parts of the information to the user. It is known as a magnetic disk because it uses the process of magnetization to read and write data to the system. Another use of this is rewriting and accessing information quickly. A magnetic disk mainly uses a rotating magnetic surface and an arm that helps it rotate around its axis so that the data is readable. The mechanical arm is the main tool the handle uses to read data from the device and write data to the disk. The data is controlled through the magnetization process and thus these types of drives become an integral part of a computer. Data is organized on the device in the form of tracks and sectors; The former are circular partitions on disks that are separated as segments containing blocks of data. Therefore, all read and write operations to the magnetic disk are performed in these areas. Objects up to several hundred GB are stored on such devices and do not require any acceleration. Speeds vary up to 100 MB per second and will be greatly improved in the future. Objects up to several hundred GB are stored on such devices and do not require any acceleration. Speeds vary up to 100 MB per second and will be greatly improved in the future. Objects up to several hundred GB are stored on such devices and do not require any acceleration. Speeds vary up to 100 MB per second and will be greatly improved in the future.

Differences in a nutshell

  1. Both optical and magnetic disks are devices that store information in the computer and in the system, which is presented in a round and flat shape and rotates along the axis to give access to all parts of the information to the user.
  2. An optical disk uses laser tools to store and read information on the system, while a magnetic disk uses a magnetization process to perform the same task.
  3. Optical discs work in such a way that a laser is used to read the information stored in the dots and then it is converted into an electricity signal which gives an audio or visual output depending on the requirement. Magnetic disks work in such a way that the mechanical arm becomes the main tool that the handle uses to read data from the device and write data to the disk.
  4. For optical drives now with the advent of Blu-ray space up to 27 GB is available to perform the tasks. For magnetic devices, the data that is stored is up to several hundred gigabytes.
  5. Data is accessed and stored faster with the help of lasers, while it takes more time to copy the information onto a magnetic disk.
  6. Optical disks are optional, while magnetic disks are an integral component of a computer.

Final Thought

Optical disks and magnetic disks are two terms that belong to the same family but are very different from each other. There are many differences between them that keep being mentioned above that help create a clear understanding of how they are different and then help people how they are working and what exactly is going on between them.

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