optical drive Flashcards
how does an optical drive read data
An optical drive uses lasers to read data on the optical media.
how many types of optical drives
there are three types of optical drives..
what are the different types of optical drives
Compact disc (CD) Digital versatile disc (DVD) Blu-ray disc (BD)
what can you do with a CD, DVD and BD
CD, DVD, and BD media can be pre-recorded (read only), recordable (write once), or re- recordable (read and write multiple times).
what is the storage capacity of a cd
CDs have a data storage capacity of approximately 700 MB.
what is the storage capacity of a DVD with a single layer and a dual layer
DVDs have a data storage capacity of approximately 4.7 GB on a single- a layer disc, and approximately 8.5 GB on a dual-layer disc.
what is storage capacity of a BD
BDs have a storage capacity of 25 GB on a single-layer disc, and 50 GB on a dual-layer disc.
What is a CD-ROM
CD read-only memory media that is pre-recorded
What is CD-R
CD recordable media that can be recorded one time
What is CD-RW
D rewritable media that can be recorded, & erased, and re-recorded
What is DVD-ROM
DVD read-only memory media that is pre-recorded
What is DVD-RAM
DVD RAM media that can be recorded, erased, and re-recorded
What is dvd r-dv
DVD recordable media that can be recorded one time
What is DVD RW
DVD rewritable media that can be Recorded, erased, and re-recorded
What is BD-ROM
Blu-ray read-only media that is pre-recorded with movies, game or software
