pc tower

Hello Everyone, I am moving my PC tower to another room in my home and the problem I now have is network connection of my tower PC to the router and the outside world. Are the 2 items below are what I need to purchase ! ? As I have my PC tower next to the router the cable is quite short...

Hi, i was wondering if someone could please help me. It is my daughters birthday next week and recently my laptop was broken. She wants me to replace this so she can can play sims 4. Could anyone advice me on a pc tower (only) to buy which would be suitable? She will literally only be using it...