What is the name of this port, it is located beside HDMI port

There are a heap of ports on the back of your computer and here they are explained. I go through each one on a new and older PC and let you know their function. USB ports (2.0, 3.0, 3.1 Gen 1 & 3.1 Gen 2), audio jacks, display outputs (VGA, DVI, HDMI, DisplayPort, USB Type C) and even PS/2. Its all covered here.

Explanation:

i hope this helps im so sorry if it doesnt

the only way i would see could be an autoclicker type software. but that is very time consuming.

answer(d) sequencing and iteration;