Question

what is one disadvantage of transmitting personal data using digital signals?
a. the data are easily changed into different data.
b. the data can be changed by being transmitted.
c. the data could be accessed or stolen.
d. the data cannot be accessed by other computers.

Explanation:

Digital signals can be intercepted during transmission. Hackers may access or steal personal data. Option A is incorrect as digital data has error - correction mechanisms to prevent easy changes. Option B is wrong because proper transmission protocols minimize data - changing during transmission. Option D is incorrect as digital data is designed to be shared between computers.

Answer:

C. The data could be accessed or stolen.