The email should be lighter but they're variables such as the word processing program. Not sure if this answered your question.
I think it’s A, but sorry if I’m wrong it just looks like the one. :) Also this is my first time answering a question!
B.................................
1) Input devices are any devices that input information to the computer - Examples include your keyboard, mouse, microphone, ect.
2) Output devices are any devices that output information from the computer. - Examples include your monitor, printer, headset/speakers, ect.
3) Processing devices are devices that take the information and process it. The most obvious example of this is the Central Processing Unit (CPU) on your computer.
Answer:
It can deliver the services faster with higher reliability and quality
