Although the size and the shape of CD-ROM and DVD-ROM are different, a DVD-ROM stores data, instructions, and information in exactly the same manner and thus achieves the same storage capacity.

Question

Quizplus · Accepted Answer

A DVD-ROM typically has a much larger storage capacity than a CD-ROM due to differences in how data is stored and read (e.g., using smaller pits and lands, and sometimes additional data layers), not because they store data in the same manner.

Although the Size and the Shape of CD-ROM and DVD-ROM