Explanation:
A hub is used to send the message from one port to other ports.It does not know the specific address of the destination where the message needs to send.it works on Physical layer of the OSI model(layer 1).
A switch can handle data and it knows the specific address of the destination.A switch works on the data link Layer of the OSI model(layer 2).
I think the answer for 1 is c but I am not sure
System software is a type of computer program that is designed to run a computer’s hardware and application programs.
Generalized software refers to software designed to read, process and write data with the help of functions performing specific audit routines and with self-made macros.
<span>You could use cloud storage. Basically, the things you save are actually saved on another computer, that is, on another server, that is used as a hard drive for many pcs. You can access the cloud storage if you have internet and it works like a normal hard drive. There are even laptops that don't have storage other than cloud storage.</span>
Sorry for this but to be honest we do t get taught this in the school I go to sorry