I have two running right now. you can run as many as your computer can handle
It is a network or multi-user operating system.
A method of operation in which multiple users with different programs interact nearly simultaneously. example: printers
yes
No.
You either have a malware problem (viruses, spyware, etc), you need to defrag (too many file fragments), or you have too many programs running simultaneously.
Programs that are running but not in use are running in the "background."
Shopping for yellow running shorts can be done through eBay, which makes the process easier because you can compare many different type of yellow shorts simultaneously.
No, It means that you can run two different programs simultaneously that take up the 1.6ghz without hindering the other.
Modern operating systems allow for multiple processes and programs to be run simultaneously. Additionally the use of VMware can allow for multiple operating systems to be running at the same time. Modern operating systems include the desktop clients of Windows, MacOS, and Linux, while major mobile platforms independent of these are Blackberry and Android.
Programs that are running will be in 'Task Manager' this can be accessed by right-clicking the taskbar and then selecting 'Tast Manager', programs that are not in use will not be running/seen until started.
they cost of running the programs is too high
event driven programs do not have a specific pathway in which the programs instructions are executed. different parts of the program are evoked by events that take place during the running of the program.