Optical disc master: The 80s marked the birth and development of a new type of Information container, which has above all the capacities of the previous types, this type is Almlazrat or Disc Optical is the means to make information available under electronic form Using the laser on the surface of the disc, whether for recording or retrieval, this technique was used in the mid-1980s with a storage capacity of 500 to 600 megabytes and a disk capacity. 1 to about 2,270,000 standard size sheets Dr Saad Al-Hajrasi said that the Arabic Language Academy in Cairo had agreed in 1985 to Use the term optical disc as a term for vessels Unconventional information A disc appears in the usual size (12 inches in diameter) however The single side of the laser disc stores approximately 54,000 photos or pages and is stored by laser beams, one of two systems, the analog emulator, is used to store images. 2 Cards, forms or digital are used to store books and publications Optical discs are defined as means of storing information or information containers Made of different materials and often plastic, it is covered with a layer of money, and some Dr. Muhammad Fathi and Abdul Hadi. Information and information technology Types of optical discs: Optical discs can be divided according to two basic criteria, either according to the information recording method, or according to the ability to write, read and erase, and consequently it is possible to distinguish the types The following elements: 3-3-2-3 in terms of writing, reading and erasing: It is divided into the following types: 3-3-2-3-1 read-only memory discs: they allow reading information It is only stored by it and from there, it can be considered as a distribution medium and not storage, that is to say, to use it. 2 This is more like using thumbnails than using floppy disks This category includes the two audio CDs, which are used in particular For music recordings, CD-ROMs and interactive CDs It works to store information and is technically preferable, in addition to optics, laser, laser, optics. It is simply a simple search in the literature on information technology And the Arabic of them in particular faces us with a certain number of terms indicating this type of CD, we find compact, compact , compact, compact, compact and used as a counterpart For compact, the most common and most used of these terms is compact but it is better to use CDs to refer to CDs in general. No matter what you call it or the material from which it was made and how the information is recorded and retrieved, it is the only tool that has demonstrated its ability and ability to maintain and store volumes fictitious information in its text form