yes
If you mean upgrade your system version, then yes. You are able to take one Leopard disk (new version of OS X which is version 10.5) and install it on as many computers as you like. This is not the same for applications though! Some applications such as Adobe's Creative Suite will NOT let you install on multiple computers.
they are about the same.
PlayStation network is down for maintenance today (21/09/2010) until 5pm Pacific Time
Yes you can, using ur Apple ID and password.
So that multiple users may share the same printer.
A KVM switch, or keyboard, video, and mouse switch, is used to connect multiple computers to the same keyboard, video display, and mouse. This setup is often used in situations where one needs to use multiple computers or operating systems at the same time. For example, Network administrators use this method to monitor and control multiple servers simultaneously.
Yes because my friend has world of warcraft on his computer and then he downloaded it onto mine you just cant have both computers use the same WoW account or one person will get kicked off of the server
You can just delete the patch file once downloaded and installed by wow. You can not revert wow to a previous version because wow is auto-updating. Every client has the exact same version (for their OS).
Firefox 4 Beta is almost the same as the official Firefox 4
Yes you can but you cant be on World of warcraft on both computers at the same time
A load balancer is an effective way to distribute workload across multiple computers because it is easy to use, quick and efficient. There are other ways to do this same task but they tend to be more in depth.
no,it is not same