Describe CD-ROM in terms of capacity and purpose?

A CD-ROM (Compact Disc Read-Only Memory) is a type of optical disc that can store data, such as software, documents, music, or videos. It has a capacity of up to 700 MB of data, which is equivalent to approximately 80 minutes of audio or thousands of text documents. CD-ROMs are designed to be read-only, meaning that data can be accessed and viewed from the disc, but not written to or modified. They are commonly used for distributing software, multimedia content, and archival storage of data.

Capacity:

- Bytes: 650 MB (standard CD-ROM)
- Discs: 700 MB (74 minutes of audio)
- Dual-layer: 1.3 GB (148 minutes of audio)

Purpose:

CD-ROMs (Compact Disc - Read-Only Memory) are optical storage devices used for storing and accessing data for various purposes:

- Storing Data: CD-ROMs primarily serve as storage media for large amounts of non-volatile data, such as:
- Software and operating systems
- Database files
- Multimedia content (e.g., audio, video, images)
- Installing Software: CD-ROMs have been commonly used to distribute software applications and operating systems for installation on computers.
- Distributing Multimedia: CD-ROMs have enabled the wide distribution of audio and video entertainment, including:
- Music albums
- Movies and TV shows
- Video games
- Information Storage: CD-ROMs provide a durable and convenient way to store important information, such as:
- Backups and archives
- Reference materials (e.g., encyclopedias, dictionaries)
- Educational content
- Audio Playback: Standard CD-ROMs can also store and play audio files in the CD-DA (Compact Disc Digital Audio) format. This allows for the playback of music albums on compatible devices.