 What is a "trusted computer"?
The Web, after all, is less than a generation old. During the first two-thirds of the twentieth century, this type of rationalization took the form of ever-more complex managed systems, with crisp specification of roles, lines of authority, communication and control. But the impulse to build fully-specified systems, designed by experts, monitored and controlled so as to limit human greed and error and to manage uncertainty, was basic and widespread. In technical systems too, we saw in mid-century marvels like the AT&T telephone system and the IBM mainframe. For a moment in history, these large scale managed systems were achieving efficiencies that seemed to overwhelm competing models: from the Tennessee Valley Authority to Sputnik, from Watson’s IBM to General Motors.
 A computer that will not run a program without authorization from some other locus, such as a copyright owner.
 A computer system that implements the belief that machines are trustworthy, while human users are malevolent and or incompetent.  A computer system that is well-designed and tightly bound.  A computer that will not run a program without authorization from some other locus, such as a copyright owner.  A computer system where human beings are located and can make decisions about what is worthwhile.