What is the function of a CD-ROM drive?
A CD-ROM drive uses a low-power laser beam to read digitized (binary) data that has been encoded in the form of tiny pits on an optical disk. The drive then feeds the data to a computer for processing. The standard compact disc was introduced in 1982 for digital audio reproduction.
What is CD-ROM and its uses?
An acronym for Compact Disc Read-Only Memory, a CD-ROM is a storage medium for digital data. CD-ROMs can hold 650 MB or 700 MB. CD-ROM are commonly used for software installation programs, such as you might buy at your local retail store.
What is CD-ROM and its types?
CD-ROM stands for (Compact Disc Read Only Memory), and it is mainly used to mass produce audio CD’s and computer games. Computer users can only read data and music from the discs, but they cannot burn their own information onto the discs, from their personal computers.
What are basic features of CD-ROM?
A CD-ROM is a type of computer memory in the form of a compact disc which contains data. This type of disc can only write data once, then the data on the disc is read-only which cannot be altered or erased, and the information will be permanently stored on the disc.
What is the difference between CD and CD-ROM?
A Compact Disc Read Only Memory (CD-ROM) is a read-only disc. … A Compact Disc Recordable (CD-R) is a Write Once Read Multiple (WORM) disc. These discs can only record data once and then the data becomes permanent on the disc. The disc cannot be recorded onto a second time.
What are the advantages and disadvantages of CD-ROM?
CD-ROM – CD Read Only Memory. Data can only be written once i.e. once the pits are burnt on to the surface, that part of the disk cannot be used again for storage although it can be re-played endless times.
7. Compact Disks.
|Advantages of CDs||Disadvantages of CDs|
|Small and portable||Fairly fragile, easy to snap or scratch|
Which is an example for CD-ROM?
The definition of a CD-ROM drive is the place on a computer where a compact disc can be held, read and played. An example of a CD-ROM drive is where a person can play a music CD on the computer. A device that holds and reads CD-ROM discs. Modern CD-ROM drives also play audio CDs.
What are the types of CD-ROM?
The CD-ROM was later designed an extension of the CD-DA, and adapted this format to hold any form of digital data, with an initial storage capacity of 553 MB.
|A traditional CD-ROM|
|Media type||Optical disc|
What are two types of CD drive?
There are three main types: standard manufactured CDs (CD-DA), CD-R recordable and CD-RW rewriteable. Standard manufactured CDs can be played on any CD digital audio player. CD-Rs can be played on CD-R machines and many but not all CD digital audio players. CD-RWs can only be played on CD-RW compatible machines.
What is the memory of CD-ROM?
A CD-ROM holds between 650-700 megabytes (MB) of data, meaning it has enough memory to store approximately 300,000 pages of text.
What is the use of CD?
|The readable surface of a compact disc includes a spiral track wound tightly enough to cause light to diffract into a full visible spectrum.|
|Developed by||Philips, Sony|
|Usage||Audio and data storage|
|Extended to||CD-RW DVD Super Audio CD|
How do I read a CD-ROM?
When reading a CD-ROM, a low power laser beam is focused on the rotating CD-ROM and its reflection is viewed by the read head. When the beam reflects back from the CD- ROM, it’s intensity changes as it moves from “land” to “pits”. These variations in the laser beam are decoded as data by the CD-ROM drive.