Optical Storage | MCQs

Explanation

Laser technology is used in compact disc

Compact Disc is an example of Optical Storage

James T. Russell invented C.D. (Compact Disc).

 co-developed by Philips and Sony to store and play digital audio recordings.

history

 In August 1982, the first compact disc was manufactured.

It was then released in October 1982 in Japan and branded as Digital Audio Compact Disc.

It was released on March 2, 1983, in North America and Europe.

FIA CBT VU PAPER 22-12-2021

ND30-4-2023

Explanation

Blu-ray disk is a type of optical storage that uses laser technology to read and write data.

It stores high-definition video and large data.

Unlike floppy disks and hard disks which are magnetic storage devices.

Explanation

A CD (Compact Disc) is read using a laser beam in an optical drive.

The laser detects tiny pits and lands on the disc surface to read data.

Explanation

A standard compact disc (CD) is 120 mm (12 cm) (4.75 inches) in diameter and 1.2 mm (0.05 inch) thick.

This size is widely used for storing data, music, or video.

Explanation

Explanation

A DVD is a type of optical media used for storing digital data.

It is the same size as a CD, but has a larger storage capacity.

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RY18012023

Explanation

A CD-ROM (Compact Disc, read-only-memory) is an optical disc which is designed to store computer data in the form of text or graphics or software data.

A normal CD-ROM usually can store up to data is 680 MB.

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RY17-012-23

Explanation

optical media such as compact discs (CDs) and digital versatile discs (DVDs).

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There are two types of storage devices used with computers:

a primary storage device, such as RAM,

and a secondary storage device, such as a hard drive.

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The most common type of storage devices are___?