Which of the following is a necessary condition for making a call on a smartphone?
A) Speaking clearly.
B) Turning the phone on.
C) Calling a friend.
D) Selecting a ring tone.
E) Inputting often used numbers.

Question

Quizplus · Accepted Answer

In order to make a call on a smartphone, the phone must first be turned on. Without this step, the user will not be able to access the phone's call function. While the other options may be helpful or necessary for making a call, they are not the necessary condition.

Which of the Following Is a Necessary Condition for Making