No, RAM is a form of computer memory that is an integrated circuit, which uses electricity to read and write data. A laser beam IS used in CD/DVD drives though, where the laser detects differences in distance from tiny pits on the surface of the disc representing data.
A laser is used to alter the internal metal alloy layer of the CD-RW. The strength of the laser can be varied and this allows the alloy to be manipulated and the data on the CD to be changed.
Internal hard drives are inside of your pc or phone or pretty much any electrical device. Depending on how large your hard drive is, you can store a lot or a little of data.
optical media
Laser beams are used to read and write data on CDs and DVDs. Apart from writing on these disks, the laser beam can also be used to erase the data stored or even overwrite the data stored with fresh data depending on the type of disk used.
Laser light is used in CDs and DVDs to read and write data. A laser beam is used to either create pits on a disc's surface (writing data) or to detect the patterns of pits (reading data) as the disc spins. The laser's focused beam allows for precise and fast data access on optical media.
Answer: A CD drives is EIDE, a CD-R is a CD drives that can record or write data to a CD(the data may or may not be multisession, the data cannot be erase once its been written on). , a CD-RW is a CD drive that can record or write data to a CD(the data may or may not be multisession, the data can be erase or written over).
Internal data bus is defined as a collection or a sequence of the signal line that are responsible for carrying data from one computer to another computer or from one destination to another destination. Basically it is used to transfer data to the external drives and also referred as the internal bus.
Lightscribe was a set of technologies that allowed users to use their optical drives to write data onto optical media (read: CDs and DVDs) as well as produce labels using the same laser diode.
No, tape drives use magnetic means for storing and reading data. Any kind of Compact media, (CDs, DVDs, Blu Ray, etc.) on the other hand, use lasers to read and write data. (Verify that part, someone.)
Optical media.
Optical drives such as CD or DVD writers store data as described in the question. When these drives write, they use lasers, and the lasers etch into the ink/dye that is located inside the label of the CD or DVD. The laser causes the ink to change colors. The write speed of the medium is determined by the speed at which the ink can change colors. The faster the chemical change takes place, the faster it can be written to.