Anything that you can you to input actions or data into a computer. For example mice and keyboards are input peripherals because you use them to give the computer input of actions you want it to perform. This includes actions like opening a web browser with a mouse click or typing characters to the screen with a keyboard.
The opposite would be an output peripheral which would be something like the computer screen itself.
True, the CPU would often be recovered as the brain of the computer.
Answer:
Online Education provides greater accessibility for some students.
Explanation:
Online Education does not provide equality for all students, because the same issues that apply in the classrooms apply here. Greater accessibility for some students, because for those with access with the technology required it saves these students a long commute to school. Not everyone can be educated this way, some people just can't learn via this option. There is also isn't unlimited access to education, some things just can't be done digitally.