Question

compared to stored analog data, what is a disadvantage of stored digital data?
a. multiple copies of the stored data take up very little space.
b. they are vulnerable to hackers and viruses.
c. stored data are made up of only two different values.
d. they lose quality when they are copied several times.

Explanation:

Digital data is represented in binary (0s and 1s), making it accessible in digital systems. Hackers can target digital - storage systems, and viruses can corrupt digital data. Option A is an advantage of digital data. Option C is a characteristic but not a disadvantage. Digital data doesn't lose quality when copied as it's based on binary values.

Answer:

B. They are vulnerable to hackers and viruses.