Computer Concept Courses (CCC) Practice Test 2025 – Comprehensive All-in-One Guide to Exam Success!

Question: 1 / 400

What type of storage device uses laser technology to read and write data?

Flash drive

Hard drive

Optical disc

Optical discs are the type of storage devices that utilize laser technology to read and write data. They work by using lasers to read the pits and lands on the disc's surface, which represent binary data. When data is written to an optical disc, a laser alters the surface to create these patterns that can later be read by another laser in the same device. This technology enables high-density storage and is commonly used in various formats such as CDs, DVDs, and Blu-ray discs.

In contrast, flash drives and solid-state drives (SSDs) rely on non-volatile memory chips to store data electronically without moving parts, and hard drives use magnetic storage technology, employing magnetic platters to read and write data. Thus, the unique mechanism of optical discs makes them distinctly different from the other types of storage listed.

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SSD

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