Compact Disk | Best 20 Questions | Optical Disk | CD R, CD ROM, CD WORM, CD RW| Arora Educator |

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Compact Disk | Best 20 Questions | Optical Disk | | CD R, CD ROM, CD WORM, CD RW | Compact Disk in Hindi | Compact Disk Architecture | Optical Disk Drives Explained | First Optical Disk | Compact Disk RPM | VCD | CD Burning | CD Ripping | CD Pit | CD Land | CD Laser Beam | Arora Educator | By-Sachin Arora Sir |
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⭐What is Compact Disk? ⭐
➤ A compact disc is a portable storage medium that can be used to record, store and play back audio, video and other data in digital form.
➤ The compact disc is a digital optical disc data storage format that was co-developed by Philips and Sony.
➤ 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.
➤ CDs are circular discs that are 4.75 in (12 cm) in diameter.
➤ CDs can hold up to 700 MB of data or 80 minutes of audio.
➤ CD-ROM stands for Compact Disc Read-Only Memory, a mass storage medium utilizing an optical laser to read microscopic pits on the aluminized layer of a polycarbonate disc. The same format is used for audio Compact Discs.
➤ Start by pressing the drive's eject button, which pops out the tray (often called a drink holder in computer jokes). Drop the disc into the tray, label side up. Gently nudge the tray back into the computer. The tray slides back in the rest of the way on its own.
➤ "Ripping" refers to extracting audio files off a CD and copying them to your hard drive.
➤ "Burning" refers to the process of writing data onto a CD.
➤ All Optical media (CD, DVD, Blu-Ray etc.) have pits and lands. These are microscopic and represent the binary information of the data stored on the disc.
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