Multiprogramming (2 Programs) When one job needs to wait for 1/o, the processor can switch to the other job Program A Run Walt Run Walt Program B Walt Run Walt Run Walt Run Run RunRun Combined Walt Walt B B TIme (b)Multlprogramming wlth two programsMultiprogramming （2 Programs） • When one job needs to wait for I/O, the processor can switch to the other job