What is a CD ROM?
A CD ROM is a type of optical disc that is used to store digital data. It is a round disc that is about 12 cm in diameter and 1.2 cm thick. It has a diameter of 120 mm and a thickness of 1.2 mm. The disc is made of polycarbonate plastic and has a reflective coating on the side that faces the laser.
How does a CD ROM work?
When a CD ROM is inserted into a CD drive, the drive’s laser shines on the reflective coating on the disc. This causes the laser …
What is a CD-ROM?
A CD-ROM is a type of optical disc that can store digital data. It was first introduced in 1987 and was initially used to store software applications and data.
CD-ROMs are composed of a polycarbonate substrate and a reflective layer. The polycarbonate substrate is coated with a thin layer of aluminum, and the reflective layer is coated with a thin layer of silver. When light shines on the reflective layer, it reflects off the silver and is read by a laser.
CD-ROMs are read-only, which means that you can’t modify the data that is stored on …
What is a DVD Rom?
A DVD Rom is a type of optical disc that is used to store digital data. It was first developed in 1995, and it is now one of the most common ways to store data.
How Does a DVD Rom Work?
A DVD Rom works by using a laser to read and write data. The laser is focused on a small area of the disc, and the data is stored as a series of pits and lands. When the data is read, the laser is reflected off the pits and lands, and the intensity of …
What is a CD-ROM Drive?
A CD-ROM drive, also known as a CD drive, optical drive, or CD-ROM drive, is a data storage device that can read CD-ROM discs. A CD-ROM drive is a type of optical drive that uses lasers to read data from CD-ROM discs.
CD-ROM discs are used to store digital data, including music, videos, and software. CD-ROM discs can also be used to store digital images, such as photos.
CD-ROM drives are used to read data from CD-ROM discs, which is why they are often referred to as optical drives. CD-ROM drives use lasers to read …
What is a CD-R?
CD-Rs are a type of compact disc that can be used to store digital data. They are different from traditional CDs in that they can be written to only once, and they are also less expensive.
How are CD-Rs made?
CD-Rs are made by coating a substrate with a photosensitive material. This material is then exposed to a laser, which burns the image of the data into the disc.
What can I use a CD-R for?
CD-Rs can be used to store data, music, images, or video. They are a popular choice for data storage because …
