I think the answer is n combination r or n permutation r.
Please mark me as brainliest.
The most common drive
letter where Windows stores most data and programs is "C".<span>
<span>In the beginning the computers used to have two floppy drives
which were named as A and B. Later when hard drives added up to the
technology, it was written as "C" because A and B were floppy drives
already :) </span></span>
Check to see if it’s plugged in all the way in if it’s not then unplug it and plug it back in
network is a group of two or more computer system connected together
