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CD

Lombard Occidental

Quel articul chì l'è scrivüü in Lumbard, cun l'urtugrafia insübrica ünificada.
Quell articul chì l'è dumà un sbozz. Se violter sii bun de metegh dent un queicoss de pü, preocüpeves minga e provegh. Insì de vegh un'idea de tücc i olter sbozz, vardii chì.
Quella vus chi la gh'ha minga di funt u hin trop poch. Per piesé, giunta di funt a la vus. Insì de vegh un'idea de tücc i olter vus senza font, vardii chì.
(CD-R)

El CD (del ingles compact disc, che'l vör dì disch cumpat) a l'è un disch otich che'l se dupra per metegh sü e imagazinaa di dat. El CD l'hann desvilüpaa la Sony e la Philips in del 1979. La prudüziun de massa l'è scuminciada in del 1982 in de la fabrica de la Philips a Hannover in Germania, e de quel an là el CD l'ha ciapaa un poo a la völta el post del vinil.
Dopu un poo de temp l'ha ciapaa el post anca di dischit del cumpiüter vist che ghe n'ha pussee de memoria per memurizà i dat.
Un disch cumpat al pö vess un CD:

  • Audiu;
  • Videu; Vídeu CD (VCD) o Süper Vídeo CD (SVCD)
  • de dat; CD-ROM (dumà letüra), CD-R (scrivibil), CD-RW (re-scrivibil)

Furmaa principaj

  • 8 cm - 215 Mb o 21 men
  • 12 cm - 650 Mb o 74 men
  • 12 cm - 700 Mb o 80 men
  • 12 cm - 800 Mb o 90 men
  • 12 cm - 875 Mb o 100 men

Un CD standard el gh'ha un diameter de 12 cm e un spessur de 1,2 mm, e'l pö tegnì dent 74-80 menü de müsega o 650-700 Mb de dat. A l'è faa de pulicarbunaa che l'è quataa cunt un strat de alümini (induè che la finiss l'infurmaziun) e pöö a la fin un strat prutetif.
A diferenza del vinil o de la müsicasseta, un CD a l'è un sistema digital de registraziun.

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CD
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