CD Full Form and Compact Disc- history,types,pros,cons etc

CD Full Form and Compact Disc- history,types,pros,cons etc

CD Full Form :

The full form of CD is ” Compact Disc “, which we know in our language as ‘Compact Disc’. CD is also known as CD ROM, full form of CD ROM is Compact Disc Read Only Memory. CD is a portable data storage device that you can take with you wherever you go, the quality of the data stored inside the CD remains the same for a very long time.

In CD, we can store data in formats like Video, Audio, Picture and Text etc. Any data inside the CD is stored digitally in the form 0 and 1, apart from this, any data in the CD is inserted by the laser beam. There are many small notches in CD in which we store any type of data, when CD is inserted in CD player, it spins round and data is read from optical drive by laser.

What is CD (What is CD) :

Compact Disc or CD is a flat, small round shape and a device made of plastic, the diameter of CD is about 4.75 inches. CD is a Reflective Metallic Layer in which we can store different types of data (DATA), the data stored in CD cannot be seen or read normally. Up to 700MB of data can be stored in CD.

  • To view the data stored in the CD, a CD Drive or CD Player is required, with the help of which we can access the data stored in the CD.
  • CD is a portable data storage device that you can take with you wherever you go, the quality of the data stored inside the CD remains the same for a very long time.
  • We also know CD as CD ROM because data is stored only once in it, once the son is stored in it, you can use it but can not put any data in it again.
  • When we put any type of data like video, audio, picture or text in CD, then this process is called CD Write or CD Burn, apart from this, when we access CD, this process is called It’s called reading a CD.

When and who invented CD :

We cannot give credit to any one person who invented the CD, because today we are able to see this format of CD with the cooperation of many people.

  • Although primarily a person named James Russell is considered to be the inventor of the CD, the CD was discovered by James Russell in 1965 AD.
  • But he sold the CD patent to Sony and the Phillips company. For this reason, the CD was produced on 17 May 1978 in Japan City.
  • The production of CDs was first started on August 17, 1982 in the factory of Philips Company in Germany.
  • The weight of 1 CD is about 16 grams, the CD is made from 1.2 mm thick polycarbonate. Cd aluminum has a thin surface so this surface is very sensible.

Also Read: Reload Button Definition

Types of CD :

There are mainly three types of Compact Disc or CD-


The full name of CD-R is Compact Disc – Recordable . In this type of compact disc (CD), any data can be stored only once and it cannot be erased.


The full name of CD-ROM is Compact Disc – Read Only Memory . The data stored in this type of compact disc can neither be changed easily nor can be programmed separately. With this we can only read the data.


The full name of CD-RD is Compact Disc – ReWritable. In this type of disk, data can be stored many times and can be erased for example – Pen Drive.

Where are CDs used?


CD has also been used extensively for antivirus. Today people download setup from internet and buy license key online but even today if you buy any antivirus in offline market then you get only antivirus CD in it.


CD is not used for all software, but yes small software is still available in the market in CD only.


In the same way, the small games that are available in CD are used for the rest of the more heavy games.

laptops Driver

cd is also used for driver. The drivers of laptops are quite heavy, that’s why DVDs are used for them, but the drivers of printers and some devices are still available in CDs.

Office data

Even today, when many companies send their data in hard copy to another company, they send that file only after storing it in CD.

What are the advantages of CD?


The only biggest advantage of CD is its price, you can store up to 700 MB of data in just 10 rupees. If you have to give any data to someone in hard copy, then instead of giving that data in pen drive, you can give it in CD.


The second advantage of this is its portability, you can easily take the CD anywhere, its thickness is also very less.

What are the disadvantages of CD?

Limited Storage

The biggest drawback of CD is its low storage. Only 700 MB of storage is available in CD, so if your data is more than 700 MB, then you will have to use two CDs for this. Or you have to use DVD.


Another disadvantage of CD is that you have to keep it very carefully because sometimes the CD gets twisted and sometimes it breaks. Apart from this, it also gets scratched many times, due to which the data can also be destroyed.

No data recovery

This is the biggest disadvantage of CDs. If your CD gets damaged due to some reason then its data is completely destroyed and you cannot recover it whereas if the pen drive or hard disk gets damaged then the data can be recovered from it.

One time data store

Data can be stored only once in CD like if you have stored any data in CD then you cannot delete it nor you can put data in it again like we do. Do it in pendrive.

Also Read: What is digital transformation


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Shiva Ram is a SEO Copywriter, Content Creator and he is specialized in Digital Marketing. He had the interest to write content related to technology, Business, Apps, Digital Marketing and many more.

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