the answer is D Voice commands
Answer:
For information you can trust
Explanation:
The answer is Software as a Service (SaaS).
SaaS is one of the 3 main categories of cloud computing. In SaaS, a 3rd party provider hosts applications and make them available to customers over the internet. It removes the need for businesses to install and run applications on their own data centers or computers. It also eliminates the expense of hardware acquisition and maintenance, as well as software installation and support.
