The ports are universal. The round keyboard/mouse plugs are PS/2 ports. Modern motherboard have none, one (green/purple), or 2 (green and purple). If it's a single port with the (green/purple) you can only use one or another. You can get a PS/2 to USB adapter. Usually they work pretty well. http://www.newegg.com/Product/Product.aspx?Item=N82E16812119237
I believe that motherboard has a VGA port so the CRT should be fine. If not it should come with a VGA to DVI adapter.
You should be able to use all your old stuff if you like.