A public information system is an information system for instance an ATM or airways reservation system that is obtainable for public utilizes. Levent Orman of Cornell University differentiates these systems from systems intended for and utilized by specialists.

Purpose:

Public information systems exist to give a service or to give support to a public process.

Users:

The "public" in this case is varied and contains private people and households, businesses and other organizations and government agencies. Each member of the public may utilize the system in a dissimilar role depending on the member's requirements at the time of utilize.

Data Requirements:

A competent system will already have information required for conclusion of its task. A system permitting a citizen to renew her driver's license for instance will already contain a set quantity of data about that person.

Improvements:

An effectual system will collect information about how users plan through the system called process data and advance its functioning derived from this data.

Cost:

Such systems are frequent free since the cost of managing electronic data is almost zero and not being charged is favored by the user.