What is the typical size of a CD-ROM?
The most common size of CD-ROM is 120 mm in diameter, though the smaller Mini CD standard with an 80 mm diameter, as well as shaped compact discs in numerous non-standard sizes and molds (e.g., business card-sized media), are also available.
What is the largest CD-ROM?
Largest Capacity The largest CD-R discs manufactured are 99-minute CD-R discs. For storage, these discs are capable of holding up to 870 MB of data.
What is the storage medium for CD-ROM?
Optical
Suitable devices and storage media for a given application
| Medium | Type | Capacity |
|---|---|---|
| CD-ROM/R | Optical | 640 MB |
| CD-RW | Optical | 640 MB |
| DVD-ROM/R | Optical | 4.7 GB |
| DVD-RW | Optical | 4.7 GB |
How many GB is a CDR?
CD-R
| Capacity | Typically up to 700 MiB (up to 80 minutes audio) |
| Read mechanism | 600-780 nm wavelength (infrared and red edge) semiconductor laser, 1200 Kibit/s (1×) to 100Mb/s (56x) |
| Write mechanism | 780 nm wavelength (infrared and red edge) semiconductor laser |
| Standard | Rainbow Books |
| Developed by | Philips, Sony |
What CD-ROM means?
compact disc read-only memory
CD-ROM, abbreviation of compact disc read-only memory, type of computer memory in the form of a compact disc that is read by optical means.
What is the function of CD-ROM?
(Compact Disc-Read Only Memory) A type of CD disc that can only be read, but not recorded. Used to store programs and data files, a CD-ROM holds 650MB or 700MB of data and employs a different recording format than the audio CD (CD-DA), from which it evolved.
Are CD Roms still used?
CD-ROM will become pretty much obsolete in countries with decent internet coverage within the next 5 years, especially since band with keeps improving. Although DVD-ROM might become a more useful (but also more expensive) carrier, since the file size of software is still increasing rapidly.
Which device storage capacity is largest?
A correct answer is option (C) Hard disk. A hard disk is a storage device that can store the maximum amount of data.
What are the pros and cons 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 |
What is the purpose of CD-ROM?
Used to store programs and data files, a CD-ROM holds 650MB or 700MB of data and employs a different recording format than the audio CD (CD-DA), from which it evolved. In the 1990s, the CD-ROM rapidly replaced the floppy disk for software distribution.
Do they make 120 min CD-R?
Cd R Discs 120 Minutes.
What are the advantages and disadvantages of CD ROM?