Which address is a public address?

A ____ is an automated program that uses hyperlinks to jump between webpages, collecting data about each page as it proceeds.

A. plug-in B. spider C. cookie D. QR code

Mike creates a graph on his computer using a spreadsheet application. He uses the mouse as the peripheral device with the computer.Which of the following serves asan intermediary between application programs and the computer's hardware that allows Mike to complete his work?

A. ?Hard drive B. ?Buffer C. ?Operating system D. ?Input device