Which two statements explain reasons to use a computer program to encode digital data?
A. Only authorized users can use these data.
B. The encoding makes digital data more secure.
C. It adds an extra step that takes more time.
n D. Encoded data can be changed by a computer virus.

A and B

Explanation: Because it makes the data you have secure and can only be authorized by you.

a

explanation:

no diagram was provided, but i'm guessing it's the one i've attached to my answer.

here, a mechanical force turns the rod.   this generates an electric current in the coil, which powers the bulb.

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle