How Computers Work: What Makes a Computer, a Computer?
5:10
YouTubeCode.org
How Computers Work: What Makes a Computer, a Computer?
Computers are all around us, but what really makes a computer, a computer? Explore the history of computers and the features they all share. Start learning at http://code.org/ Stay in touch with us! • on Twitter https://twitter.com/codeorg • on Facebook https://www.facebook.com/Code.org • on Instagram https://instagram.com/codeorg • on ...
1.7M viewsJan 30, 2018
Compact Disc History
Inside a compact disc lies a hidden world of microscopic engineering. 💿 Data is stored as tiny pits and lands arranged in a spiral. A focused laser — thinner than a strand of hair — reads those bumps by detecting how light reflects differently off each surface. Each reflection translates into binary 0s and 1s, which are then decoded back into the music or data we see and hear. It’s a perfect example of how physics and precision engineering made digital music possible. - #science #technology #cd
Inside a compact disc lies a hidden world of microscopic engineering. 💿 Data is stored as tiny pits and lands arranged in a spiral. A focused laser — thinner than a strand of hair — reads those bumps by detecting how light reflects differently off each surface. Each reflection translates into binary 0s and 1s, which are then decoded back into the music or data we see and hear. It’s a perfect example of how physics and precision engineering made digital music possible. - #science #technology #cd
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It's the CD collector's curse #cdcollection #compactdisc #compactdisccollector #audiophile #audiophileCD | Headphonesty
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Cara kerja CD (Compact Disc) dalam menyimpan data didasarkan pada prinsip optik. Permukaan CD terbuat dari lapisan plastik polikarbonat yang sangat halus dan dilapisi dengan aluminium atau emas reflektif, serta dilindungi oleh lapisan pernis. Data digital (berupa biner 0 dan 1) disimpan dalam bentuk serangkaian lekukan mikroskopis yang disebut pits (lubang) dan area datar di antaranya yang disebut lands (daratan). Pita dan lands ini diatur dalam jalur spiral yang sangat rapat dari bagian tengah
Cara kerja CD (Compact Disc) dalam menyimpan data didasarkan pada prinsip optik. Permukaan CD terbuat dari lapisan plastik polikarbonat yang sangat halus dan dilapisi dengan aluminium atau emas reflektif, serta dilindungi oleh lapisan pernis. Data digital (berupa biner 0 dan 1) disimpan dalam bentuk serangkaian lekukan mikroskopis yang disebut pits (lubang) dan area datar di antaranya yang disebut lands (daratan). Pita dan lands ini diatur dalam jalur spiral yang sangat rapat dari bagian tengah
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🔥 1982: E.T. phoned home and broke box‑office records. Plus, the first compact disc spun crystal‑clear tunes. “No One Like You” hit the scene and quickly became an anthem. 🤘 | Scorpions
🔥 1982: E.T. phoned home and broke box‑office records. Plus, the first compact disc spun crystal‑clear tunes. “No One Like You” hit the scene and quickly became an anthem. 🤘 | Scorpions
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