what is compact disc, Internet to humans before the arrival of data Storing was a big problem, that’s why from time to time, new ones were invented to store the data. storage device is invented. The most popular storage device in the 1980s was the CD.
Although CD was created to store audio recordings, but gradually it was also used to store other data. And a time also came when advance storage devices from CD came in the market and they took the place of CD.
In today’s article we will give you CD What? CD Of flower formCD Of HistoryCD How work does IsCD Of typeCD Of Properties And CD Of advantages And disadvantages Will give information about. Apart from this, you are going to get very useful information about CD in this article. And by the end of the article, you will also understand why CD is no longer used.
So let’s start without any delay and know more in today’s article CD what is in hindi Detailed From,
What is Compact Disc (CD)?
CD ie Compact Disc is a portable storage device which is used to store audio, video and other data. The data in CD is written once and then it can be read many times.
Initially CD was used only for digital audio recording but later it was used to store all types of data.
The CD is circular in shape and measures 4.7 inches and is 1.2 mm thick. The weight of a compact disc ranges from 15 to 20 grams and it can store about 72 minutes of music ie up to 700 MB of data. Data stored in CD can be preserved for a long time. However, due to scratches in the CD, it is difficult to read the data stored in it.
Full Form of CD (CD Full Form in Hindi)
The full form of CD is Compact Disc, which is called Compact Disc in Hindi.
History of CD
The CD was invented by American inventor James Russell in 1965. James Russell envisioned a storage device for storing and playing back audio recordings. James Russell in 1966 laser, digital recording and Optical Disk Presented the patent of CD from the combination of technologies.
James Russell sold his patents to Philips Electronics and Sony Corp in the 1980s. The first commercial CD was released in 1982. In the same year the world’s first CD player CDP-101 was released and it started being used worldwide.
Gradually CD became very popular all over the world, at that time CD was a standard device for audio recording.
How does CD work?
The tracks in CD are spiral and flat. Data in CD is encoded by laser technology. Encoding of data is done in CD by laser beam. A special device called a CD Writer is used to write data to a CD.
One side of the CD is bright, when the CD is inserted into the CD Player, laser beams collide on the bright side, through this process the data stored in the CD is read.
Types of CD
There are many types of CDs on the basis of technology and usage. The different types of CDs are explained below –
1 – CD ROM (CD – Read only Memory)
CD ROM The full form of Compact Disc Read Only Memory is Hota Hai. The data stored in CD ROM can only be read. Store data cannot be written in it. CD ROM is used to distribute games or software.
2 – CD – RW (CD-ReWritable)
As it is clear from the name, data can be written and erased many times in CD-ReWritable. But writing the data more often reduces the quality of the CD. It is also called CD-RW. CD-RW uses an alloy that reflects differently than regular CDs.
3 – CD – R (CD Write Once Read Many)
CD – R is also known as CD WORM, in which WORM means Write Once Read Many. Data in CD-R can be written only once and then it can be read many times.
4 – Video CD (Video CD)
Video CD, also known as VCD, is used to store and view videos, images or pictures. now instead of dvd is used. The resolution of VCD was much lower than that of DVD.
5 – Photo CD (Photo CD)
Photo CD was designed by Kodak. Photo CDs were created to store images in digital form. In this, the stored image could be accessed and edited in the computer. Photo CD was launched in 1992, which was made to store 100 High Quality Images.
Features of CD
Following are the main features of Compact Disc –
- CD is also called CD-ROM because data can be written only once in it.
- Audio, video or text data can also be stored in CD.
- The storage capacity of CD is up to 700 MB.
- CD is a portable storage device. You can take it anywhere.
- Laser technology is used to read the data stored in the CD.
- After the arrival of DVD, Blue Ray device, CD is now used very less.
Advantages of CD
Following are the main advantages of CD –
- CD is a portable storage device.
- Data can be stored in CD for a long time.
- The cost of CD is less as compared to other devices.
- Data stored in CD can be accessed randomly.
Disadvantage of CD
Following are the disadvantages of CD –
- The storage capacity of CD was only 700 MB, so now this storage device is not used.
- The speed of reading and writing data in CD is very slow.
- Scratching a CD makes the data stored in it unreadable.
- Data in CD can be written only once.
FAQ: Common Questions Related to CDs
The full form of CD is Compact Disc.
The CD was invented by American inventor James Russell in 1965.
The storage capacity of CD is 700 MB.
To access the data stored in CD, a device is required which is called CD Player.
The world’s first CD player was the CDP-101. Which was made by Philips Electronics and Sony together.
CDs are no longer used with the advent of storage devices such as DVD and Blue Ray. Because the storage capacity of DVD and Blue Ray is more than that of CD.
CD is made of metal and plastic. There are total 3 layers in CD. In this, the middle layer is made of aluminum.
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Last Word: What is CD in Hindi
After reading this article completely, you must have understood that what is cd in hindi And why is it used. CD was initially used to store audio recordings but gradually it was also used to store video and text data.
But with the advent of storage devices like DVD and Blue-Ray, the use of CD started decreasing and now CD is not used.
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