I have a Dell something "

1.) can these two work together, like DVI to HDMI?
2.) what type of cables to I need?, looking to save money here
3.) can i connect my pc in the VGA input/output and the tv in the other and have them work at the same time?
a lil bit more information my screen connects to my computer via VGA cable
let me know i would appreciate it, thanks in advanced to any helpful answers