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Optical Disc Meaning In Computer What Is CD ROM In Hindi


CD Kya Hota Hai What is Optical Disc in Urdu/Hindi

Optical Disc Drive In Laptop




Compact Disc optical disc ki aik type hai ye digital data store karne ke liye istemal hoti hai. Laser disc mein lage hue material microscopic pits ko jalata hai. Jab CD ko play kiya jata hai to laser uski majoodgi ko detect kar leta hai. CD sab sey pehle sound store karne ke liye istemal hui thi jinhen Audio Cd's kaha jata hai. Laptop mein istemal hone wali CD bhi normal CD hoti hai aur kuch laptops mein mini CD drive fit hoti hai jis mein aap sirf small disc daal kar sakte hain.


Audio CD mein sound Compact Disc Player ke zariye play kiya jata hai jo Phillips aur Sony ne banaya tha. Usky baad compact discs Computer files ko store karne ke liye istemal hone lagi jaise Software CD ya phir Windows CD. Inhen CD-ROMs kaha jata hai CD ROM ki full form Compact Disc Read Only Memory hai. Computer CD-ROM drive ke zariye disc ko read karta hai jiska dusra istemal MPEG videos ko store karna jinhen VCDs (Video CD's) kaha jata hai.

Video CD's khas taur par Asia mein bohat mashoor hain Indonesia mein CD sey mehnga storage medium DVD ka use kiya jata hai. VCD ki quality bilkul VHS tape ki tarah hoti hai. Aik normal CD ka diameter 120 mm hota hai CD ke darmiyan goal sorakh 5 cent coin yani 1.5 cm tak hota hai. Aik CD mein ziyada sey ziyada 74-80 minutes ka sound record ho sakta hai agar hum megabytes ki baat karen to aik normal CD mein total 700 MB store ho sakte hain. CD's chote size mein bhi hoti hain jinka diameter 80mm hota hai. Aisi disc mein normal disc ka 30% data store ho sakta hai in mein mini CD single ki storage 210 MB hote hai. Business card CD mein 30 MB sey le kar 100 MB tak ki storage hoti hai. Computer mein jis drive ke andar CD ko dala jata hai usay CD-ROM kehte hain.

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