Computer Basics Devices, Data, Storage, And Internet Concepts Practice Test

What is a type of optical disc able to store large amounts of data, especially high-resolution?

USB Drive RAM DVD Cloud Storage

Correct Answer:

DVD

Explanation:

Optical discs store data by using a laser to read tiny pits and lands written on the disc surface. Among the options, the DVD is the optical disc designed to hold much more data than a CD, which makes it a good fit for high-resolution media. A standard DVD can hold about 4.7 GB, with dual-layer versions up to around 8.5 GB, enough for high-quality video and large files. USB drives and RAM are not optical discs and serve different roles—RAM is temporary, fast memory, and USB drives are flash storage, not discs. Cloud storage is online and depends on an internet connection. So a DVD best matches an optical disc capable of storing large amounts of data, including high-resolution media.

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