Question

Write precautions, we must follow while using a CD/DVD.

Answer 1

Do 1.Handle discs by the outer edge or the center hole. 2.Use a non solvent-based felt-tip permanent marker to mark the label side of the disc. 3.Keep the discs clean & dust free. 4.Store discs upright (book style) in cases that are specified for CDs and DVDs. 5.Return discs to their cases immediately after use.

Answer 2

Precautions while using CD/DVD:

• Do not touch the data side of any CD/DVD since by touching or by careless handling, we can actually damage it.  
• We shouldn't write anything in the CD/DVD’s since it can affect its data side.
• Don't leave the CD/DVD in the driver area for so long. We should remove it after the use.  
• We should keep it in the case to prevent it from any physical damage.

Learn more about CD/DVD

Which technology is used in compact disc or disks?

A) Laser

B) Mechanical

C) Electrical

D) Electro magnetic

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