On which storage device is track pattern spiral ?

Magnetic disk

Optical disk

Floppy disk

Pendrive

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This question was previously asked in

UPSC CISF-AC-EXE – 2020

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Optical storage devices such as CDs, DVDs, and Blu-ray discs store data along a single, continuous track that spirals outwards from the center of the disc. The read head follows this spiral track to access data sequentially or jump to specific locations.
Magnetic disks (like HDDs and floppy disks) use multiple concentric circular tracks on the surface of the platter(s).
Flash memory (like pendrives or SSDs) uses semiconductor memory chips and does not have a physical track pattern in the same sense as disk media.

– Optical disks use a single spiral track.
– Magnetic disks use concentric circular tracks.
– Flash memory uses solid-state storage without physical tracks.

The spiral track allows optical drives to read data in a continuous stream, which is efficient for audio or video playback. The concentric tracks on magnetic disks allow for faster random access using read/write heads that move radially across the platters.

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