help with guitar rig3

Im planning to get the guitar rig3, but how do i connect my guitar to my PC?

will these work ?

http://www.amazon.com/Line-6-GuitarPort-XT/dp/B0000AJQ42/ref=pd_cp_e_1?pf_rd_p=413863501&pf_rd_s=center-41&pf_rd_t=201&pf_rd_i=B000KFZ7T4&pf_rd_m=ATVPDKIKX0DER&pf_rd_r=001V2CVZJ9GYFPKG1TJJ

http://www.activemusician.com/item--EM.BHR-UCG102

http://www.activemusician.com/item--EM.9900-40932-00