10.1 Optical Media
What is the physical size of Blu-ray standard discs?
12 cm
What is the physical size of standard DVD formats?
12 cm
What is the capacity of a Blu-ray mini disc (DL)?
15.6 GB
DVD-18 (DS/DL) has a capacity of
15.90 GB (>8 hrs. of video)
What is the capacity of a single Blu-ray Disc (SL)?
25 GB
How much data can Blu-ray Discs (BDs) store?
25-50 GB
DVD-5(SS/SL) has a capacity of
4.27 GB (>2 hrs. of video)
How much data can single-layer DVD-ROM store?
4.7 GB
What is the capacity of a dual-layer Blu-ray Disc (DL)?
50 GB
What is the capacity of a Blu-ray mini disc (SL)?
7.8 GB
DVD-9 (SS/DL) has a capacity of
7.95 GB (≈4 hrs. of video)
How much data can a CD hold?
700 MB
CD came in two capacities:
74 min. and 80 min.
What is the physical size of Blu-ray mini discs?
8 cm
How much data can dual-layer DVD-ROM store?
8.5 GB
DVD-10 (DS/SL) has a capacity of
8.74 GB (≈4.5 hrs. of video)
Which optical media has the greatest storage capacity?
Blu-ray
Disc designed to play high-definition movies
Blu-ray Disc
BD-R stands for
Blu-ray Disc Recordable
BD-RE stands for
Blu-ray Disc Recordable Erasable
Originally created to play music; it stores music digitally and is read by a laser
CD (compact disc)
Allows optical drives to read the data on a compact disc and display the file and folders mastered to it.
CD File System (CDFS)
What are three groups of optical media
CD, DVD, Blu-ray
Optical disc on which users can write once, but not erase, their own items
CD-R (compact disc recordable)
Optical disc from which data can only be read from
CD-ROM (compact disc/read-only memory)
A CD that allows data to be erased and written again several times.
CD-RW (CD-Rewritable)
CD-RW stands for
Compact Disc-Rewritable
Originally designed to play movies, capable of surround sound
DVD
DVD-R/RW stands for
DVD Read and Rewritable
burn once DVD
DVD+R
The most common form of optical media today
DVD-ROM
When installing an optical drive make sure it shows up in
Disk Management
DVDs that can hold data on two sides, each of which has a single layer
Double-sided (DS) format
A disc that has a single side that has two layers to which data can be written
Dual-layer (DL) format
All optical media comes in three formats:
ROM (read-only memory), R (write-once), RW/RE (write many)
Optical media drives use which type of data connection?
SATA
Optical media drives are powered using
SATA power
DVD today stands for
digital versatile disc
Blu-ray discs come in two standards:
standard and mini
