What is the speed of data access of the optical disk?
a) 200-4000rpm
b) 200-5000rpm
c) 200-6000rpm
d) none of these
What are different types of optical disks?
a) compact disk (CD)
b) digital versatile disk (DVD)
c) blue ray disk (BD)
d) all of these
Which of the following disk is originally developed for storing audio data?
a) CD
b) DVD
c) BD
d) none of these
Which of the following disk, data can be read or write by laser beam?
a) compact disk (CD)
b) digital versatile disk (DVD)
c) blue ray disk (BD)
d) all of these
What is the capacity of DVD of storing data?
a) 4-10 GB
b) 4-12 GB
c) 4-14 GB
d) 4-16 GB
What is the storage of blue ray disk?
a) 50-70 GB
b) 50-80 GB
c) 50-100 GB
d) none of these