I don't know of a way to force them to a particular processor; if you want to force them to a single processor (with the proviso that they'll all run on the same processor) to e.g. avoid issues with ...

It appears as though a program I use has issues running on pc's with hyperthreading capable CPU's. The workaround for this is to set processor affinity through task manager to a single cpu instead of ...

Extra processing power also lets users multitask more effectively. For example, one core could be used for surfing the Web, while the second core is handling an anti-virus scan. (Processor affinity ...