What is the full form of a CD?
The CD full form is Compact Disc. It is a 4.75-inch-diameter, spherical, flat storage device that can hold up to 700 MB of information. It is portable as a result of its little size. Due to the fact that its consistency does not diminish with time and great duration, we might utilize it indefinitely. CDs may store any digital format of data, including video, audio, text, photos, etc. The data is recorded on the disc as tiny notches, and when the disc is played, a laser interprets the information from an optical drive.
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A basic overview of CD
- It was initially manufactured by Sony and Philips, respectively. Initially, the CD was only used for recording and storing sound.
- As technology progressed, a CD was eventually able to hold collections of information on its disc. The compact disc became known as CD-ROM (Compact Disk-Read Only Memory).
- The stored information only supports the read operation, not the write operation. Japan’s very first CD audio player was manufactured by Sony Corp.
CD Characteristics
The properties of a CD include the following:
- A standard Compact Disc has a diameter of around 120 millimeters (mm) and a width of approximately 1.2 millimeters (m) (mm).
- It is made completely of plastic and has a glossy, reflective appearance.
- It weighs little more than 15 or 20 grams.
- With a storage capacity of up to 700 MiB, a Compact Disc can store up to 80 minutes of high-quality audio.
Types of compact discs
- Compact Disc-Read Only Memory (CD-ROM) is a typical optical disc utilized in the computer data processing.
- Recordable Compact Disc (CD-R) includes an option for the writing procedure. It is composed of a high-quality dye that reflects several colors when struck by light. CD-Rs have a lifespan between 20 and 100 years.
- The ReWritable Compact Disc (RW-CD) is a disc on which data may be repeatedly erased and rewritten.
- The Video Compact Disc (VCD) expedites the display of moving images on the screen.
Advantages of CD
- Regarding size, it is minuscule.
- It is a portable apparatus.
- Access to Data is Enhanced.
- It is economical to manufacture.
CD limitations
- It has a reduced capacity for storage.
- When it is utilized regularly, it can cause scratches.
