Which of the following stores data using microscopic light and dark spots? A. Hard disk
B. Compact disc
C. Flash drive
D. RAM
Which of the following stores data using microscopic light and dark spots?
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Which of the following stores data using microscopic light and dark spots? A. Hard disk
B. Compact disc
C. Flash drive
D. RAM
The correct answer is B. Compact disc.
Compact discs store data using microscopic pits (dark spots) and flat areas (light spots) that represent binary data. When a laser reads the disc, it detects changes in light reflection from these areas to retrieve the stored information. If you need more information or help, feel free to ask!