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- Dictionarycompact disc
noun
- 1. a small plastic disc on which music or other digital information is stored in the form of a pattern of metal-coated pits from which it can be read using laser light reflected off the disc: "all the recordings have been reissued on compact disc"
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The compact disc (CD) is a digital optical disc data storage format that was co-developed by Philips and Sony to store and play digital audio recordings. It uses the Compact Disc Digital Audio format which typically provides 74 minutes of audio on a disc. In later years, the compact disc was adapted for non-audio computer data storage purposes ...
A compact disc is a portable storage medium that can record, store and play back audio, video and other data in digital form. A standard compact disc measures 4.7 inches, or 120 millimeters (mm), across, is 1.2 mm thick, weighs between 15 grams and 20 grams, and has a capacity of 80 minutes of audio, or 650 megabytes (MB) to 700 MB of data. A ...
Aug 29, 2023 · Compact Disc. CDs can store many types of data, like audio, video, games, any documents, etc. The data are scanned by a laser beam with a CD driver to visualize the data. The only thing that is less in CD is storage capacity is very less compared to HDD or DVD and the read-write speed is also very less. The storage capacity of a CD is 700 MB only.
Apr 18, 2023 · A CD is a circular disc that stores digital audio and data using a laser and pits and lands. Learn about the history, features, and formats of CDs and how they differ from DVDs and Blu-Ray discs.
Oct 8, 2024 · The meaning of COMPACT DISC is cd. Recent Examples on the Web Advertisement And as so often happens, technology stepped in to break everything apart, much like the MP3 revolution shattered the music industry’s model of selling $20 compact discs with 18 songs, only two of which were hits.
Oct 18, 2022 · Abbreviated as CD, a Compact Disc is a flat, round optical storage medium invented by James Russell. The first CD was created at a Philips factory in Germany on August 17, 1982. The picture shows the bottom of a standard compact disc and is the side the disc player reads. The opposite side of the disc has a label to help indicate what is on the ...
Mar 6, 2024 · Cross-section of a CD. As discussed in How Analog and Digital Recording Works, an audio CD can store up to 74 minutes of music, so the total amount of digital audio data that must be stored on a CD is: 44,100 samples/channel/second x 2 bytes/sample x 2 channels x 74 minutes x 60 seconds/minute = 783,216,000 bytes.
