An example of computer hardware is ? A. keyboard B. app C. web browser D. operating system

D. Operating system

Explanation:

A keyboard is a secondary item like a mouse and is not apart of computer hardware and app is also not a computer hardware because its coding not hardware. Web Browser is a Internet thing not hardware.

option A

Explanation:

Computer hardware is the physical parts or components of a computer, such as the monitor, mouse, keyboard.

the file button then you go to insert tab and click insert hyperlink.

answerequal fluid intake and fluid loss;