Bellís Seven Price Tiers
10$: wrist watch & wallet computers
100$: pocket/ palm computers
1,000$: portable computers
10,000$: personal computers (desktop)
100,000$: departmental computers (closet)
1,000,000$: site computers (glass house)
10,000,000$: regional computers (glass castle)
Super server: costs more than $100,000 ìMainframeî: costs more than $1 million
an array of processors, disks, tapes, comm ports