use a laser to read and write data. Optical disks have very large storage capacity but they are not fast as hard disks. There are three basic types of optical disks: CD-ROM, WORM and erasable.
DVD-ROM is higher- capacity disc
Optical disk drives are also known as cd roms for your computer. They allow you to store data and burn information on them from the disk drive slot on your computer.
Disk storage devices are most commonly used in personal computers as a means to enhance memory. The most common are hard disk drives, optical disk drives, and even zip drives.
DVDs or CDs
SATA hard disks are basically hard drives or optical disk drives. The prices an SATA hard disk for them vary from $50 to $200. They can be found on a variety of websites online.
CDR CDRW DVDR DVDRW Blueray
No a disk drive is neither input or output device, it is an optical disk drive (for CD/DVD's) and a disk drive (for hard drives) would be a storage device.
molex for IDE devices and sata power connector for SATA devices
Serial ATA (SATA) is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives, optical drives, and solid-state drives.
Magnetic storage is used on hard drives and floppy disks. Sectors of the disk are charged magnetically and are easily changed later. Optical storage uses a laser to read data. On a cd/dvd, the laser picks up tiny marks made starting in the center and rotating outward.
David Gregg was the inventor of the optical disk.
"Disc" refers to optical media, such as CDs or DVDs. "Disk" refers to magnetic media, such as hard drives. So the answer depends on which drive you are referring to; most have both an "optical disc drive", and a "hard disk drive".
An optical disc drive reads a disc by shining a laser on it and detecting the reflected beam. The reflectivity of a disc varies across its surface, which determines the intensity of the reflected beam. Photodiodes detect this reflected beam and produce electrical signals, which are interpreted as data.