What is Blu-Ray Disk explain ?
BRD(BLU - RAY DISK)
Blu - ray is an optical disc format similar
to CD and DVD . It was developed for
recording and playing back high -
definition ( HD ) video and for storing
large amounts of data .
A single Blu - ray disc can hold up to 25 GB
of data . Even a double sided , dual layer
DVD can only hold 17 GB of data . Dual -
layer Blu - ray discs can store up to 50 GB
of data . That is equivalent to 4 hours of
HDTV .
Blu - ray discs can hold more
information than other optical media
because of the blue lasers . The blue -
violet laser has a shorter wavelength
than the red lasers used for CDs and
DVDs.
This allora me laser to focus on a smaller
area ,which makes it possible to store more
data on a dise the same seas a CD or DVD.
Read More
What is ROM (Read Only Memory) ? & Types of ROM.
Output device and his types define and pictures.
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