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Question
Which of the following can store information in the form of microscopic pits on metal disks?
Which of the following can store information in the form of microscopic pits on metal disks?
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Solution
The correct option is A Laser disks
Laser disks can store information in the form of
microscopic pits on metal disks.
Optical video recording technology, using a transparent
disc, was invented by David Paul Gregg and James Russell in 1958 (and patented
in 1961 and 1990). The Gregg patents were purchased by MCA in 1968. By 1969,
Philips had developed a videodisc in reflective mode, which has advantages over
the transparent mode.
An optical disc is an electronic data storage medium that
can be written to and read using a low-powered laser beam. Originally developed
in the late 1960s, the first optical disc, created by James T. Russell, stored
data as micron-wide dots of light and dark.
Laser disks can store information in the form of microscopic pits on metal disks.
Optical video recording technology, using a transparent disc, was invented by David Paul Gregg and James Russell in 1958 (and patented in 1961 and 1990). The Gregg patents were purchased by MCA in 1968. By 1969, Philips had developed a videodisc in reflective mode, which has advantages over the transparent mode.
An optical disc is an electronic data storage medium that can be written to and read using a low-powered laser beam. Originally developed in the late 1960s, the first optical disc, created by James T. Russell, stored data as micron-wide dots of light and dark.
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