What are hubs, switches, routers, and how do they work?

How do you make a lenny face? plz, brailiest to who can answer first.

What statement best describes operating systems? it’s possible for modern computers to function without operating systems. most operating systems are free or very inexpensive. operating systems are managed by the computer’s microprocessor (cpu). operating systems manage the computer’s random access memory (ram).

What is the name of the sound effect that danny hears