A public computer (or public access computer) is any of various computers available in public areas. Some places where public computers may be available are libraries, schools, or facilities run by government.
Public computers share similar hardware and software components to personal computers, however, the role and function of a public access computer is entirely different. A public access computer is used by many different untrusted individuals throughout the course of the day. The computer must be locked down and secure against both intentional and unintentional abuse. Users typically don't have authority to install software or change settings. A personal computer, in contrast, is typically used by a single responsible user, who can customize the machine's behavior to their preferences.
Public access computers are often provided with tools such as a PC reservation system to regulate access.
The world's first public access computer center was the Marin Computer Center in California, co-founded by David and Annie Fox in 1977.
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