Which of the following is the optically readable media?a)Floppy diskb...
- Using an optically readable medium, data is recorded by making marks in a pattern that can be read back with the help of light.
- CD-ROM and DVD are optically readable media
- Floppy disk is a type of disk storage composed of a disk of thin and flexible magnetic storage medium.
- A hard disk is an electromechanical data storage device that uses magnetic storage to store and retrieve digital information.
- Magnetic tape is a medium for magnetic recording, made of a thin, long, narrow strip of plastic film which has a magnetic coating.
View all questions of this test
Which of the following is the optically readable media?a)Floppy diskb...
Optically Readable Media
Floppy disk, hard disk, and magnetic tapes are examples of magnetic storage media, while DVD is an example of optically readable media.
DVD
A DVD (Digital Versatile Disc) is an optical storage device that uses laser technology to read and write data. It is commonly used for storing videos, music, software, and other types of data. The data on a DVD is written in pits and lands on the surface of the disc, which can be read by a laser beam in a DVD drive.
Advantages of DVD
- High storage capacity: DVDs typically have a larger storage capacity compared to floppy disks and CDs, making them suitable for storing large files.
- Durability: DVDs are more durable than floppy disks and magnetic tapes since they are less prone to damage from dust, scratches, and magnetic fields.
- Portability: DVDs are compact and lightweight, making them easy to transport and store.
Conclusion
In summary, a DVD is an optically readable media that offers high storage capacity, durability, and portability. It is a widely used storage device for various types of data and is superior to magnetic storage media in terms of reliability and performance.
To make sure you are not studying endlessly, EduRev has designed Railways study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Railways.