what is CD ?Explain its type
Answers
Answer:
In physics, a force is any interaction that, when unopposed, will change the motion of an object. A force can cause an object with mass to change its velocity, i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity
CD: The compact disc is a digital optical disc data storage format that was co-developed by Philips and Sony to store and play digital audio recordings. It was released in 1982 branded as Digital Audio Compact Disc. The format was later adapted for storage of data. Wikipedia
Capacity: Typically up to 700 MiB (up to 80 minutes' audio)
Released: 1 October 1982; 38 years ago (Japan); March 1983; 38 years ago (Europe and North America)
Standard: Rainbow Books
Media type: Optical disc
Usage: Audio and data storage
Inventors: Philips, Sony Corporation
Developed by: Philips, Sony Corporation
It's type :
There are three main types: standard manufactured CDs (CD-DA), CD-R recordable and CD-RW rewriteable. Standard manufactured CDs can be played on any CD digital audio player. CD-Rs can be played on CD-R machines and many but not all CD digital audio players. CD-RWs can only be played on CD-RW compatible machines
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