CD drive – what is it and how it works? Find out everything about CD drives

Everyone at least once have used CD drive in their life time, but do we know what in fact these drives are? Do what know how they work? Let us explain you everything that you should know about these drives in this article. Keep reading and find out everything about these CD drives.

What CD drives are?

We should start with a short explanation of this what CD drive is. Here we will explain you in the simplest way what they are. CD drives are devices that allow you to access a compact disc from your PC or laptop. You should also know that some of these CD’s are built in computers while somes are not.

How CD player works?

Now as you know what a CD drive is you should also know how it works. You should know that there are miniature laser beams inside a CD players and also small photoelectronic cell. When you are pressing button saying play then an electronic motor is making disc to rotate and very high speed. Then the laser that we mentioned before is going to switch on and also scan along the track with help of photocell that is placed in the center of the CD to the outside. Then you should know that the motor slows the disc down step by step as the laser or the photocell scans right from the center to the outside of your disc. You should also know that the laser flahes up onto the bottom side of CD and is bouncing off the pattern bumps and also flat areas of your CD. And then these flat areas reflects the laser light right back, while this happens pits are acattering the light. When these lands are reflecting the laser light you should know that phonecell is detecting it and realize that it has detected the land and then sends the brust of electric current to an electronic circus which is generating the number one. You should also be aware of this that a loudspeaker is transforming he electric currents into a sound that you will hear, it all happens thanks to hanging electronic enegry into a sound.

What is a CD?

Now as you know what a CD player is and how it works you should also be aware of this what a CD itself is. When it comes to CD itself it is a compact disc and there are different type of these disc’s. You should know what these types are:

• CD-ROM,
• recordable CD also called CD-R,
• CD + R,
• Rewriteable CD also called CD-RW,
• Video CD also called VCD,
• Mini-CD.

How long does CD last?

Have you wonder how long can such drive as CD last? Well there have been some testing done and there are some recomendations when it comes to storing conditions that could give such CD drive as CD-R lasting of 100 up to 200 years or even more. When it comes to for example to CD-RW it should last about 25 years or more.

CD and CD player facts

We believe that you should be aware of couple facts when it comes to CD as well as CD players. It may seem a bit way more understandable when you will get familiar with these facts. Be ready to get familiar with amazing portion of facts about these things that we have prepared for you.

1. First CD player costed $1,500,
2. CD are very thick, they are about 1.2mm,
3. when it comes to recording CD’s it is very easy,
4. these CD’s doesn’t have copyright protection,
5. CD’s were invented in 1979,
6. short of CD stands for copmact disc,
7. just by the year of 2007 about 200 bilion CD’s has been sold,
8. when it comes to CD’s standard compacity they have 74 minutes,
9. many car manufactures has stopped putting CD players inside cars,
10. CDs spin at a speed that goes even up to 500 RPMs.

Now you are aware of the most important aspects when it comes to CD and CD players as well. We all should be aware of many different aspects that comes to technology. This is one part of technology that has developed and gave us so many opportunities.