Q1.To make your computer run faster we need multiprogramming. That is several programs run concurrently. In multiprogramming there will be some programs that need some resources such as input device which has a large delay or a program might start some slow operation such as sending output to a printer. This would lead to the processor being unused. To keep the processor being busy at all times the execution of such a program is halted and the operating system switches the processor to run anoth