What is Optical Disk Drive (ODD)

Optical Disk Drive (ODD) Can Read And Write Data From And To An Optical Disk. The Optical Disk Is So Named Because Its Technology Is Based On Light. As The Disk Spins, A Laser Beam Follows A Spiraling Trail Of Pits And Lands In The Plastic Material Of The Disk. The Pits Reflect Light Differently Than The Lands, While A Device Translates The Reflective Difference To Bits Of “on/off” Or And 0. The Bits Form Bytes That Carry The Digital Code Of The Data stored On The Optical Disk.

Different Optical Disk Drive



Compact Disc Are Optical Storage Devices Used To Store And Distribute Various Form Of Data Such As Software, Music And Movies. The 3.5 Inch Floppy Disk Store About 1.44 MB Of Data. This Allowed The Users To Only Copy Files Of Small Size On The Floppy Disk. The CD Stores More Data  Than The Floppy Disk. The CD Holds Up To 700 MB Of Data. The Data Stored On A CD Can Last For Longer Period As Compared To Floppy Disk. A CD Drive Is Required To Read Or Write Data Form Or To A CD.


A CD Drive Is Used To Read Or Write  Data From Or To a CD. Different Type Of Cd Drives :-

  • CD-ROW DRIVE – Cd Row Drive Reads Data From A Cd.
  • CD-R DRIVE Cd-R Drive Can Read Data From A Cd And Can Also Write Data  To A Cd A Disc.
  • CD-RW DRIVE – Cd-Rw Drive Can Read, Write And Also Rewrite Data.

The Cd Drive Spins The Cd Like A Wheel And Reads Data From The Cd Using A Laser Beam, The Speed Cd Drive Specifies The Amount Of Data The Cd Drive Reads From The Cd. This Speed Is Called The Transfer Speed Of The Cd Drive. The Original  Speed Of Of The Cd Drive Is 150 KB Per Second. 

Read More