Interactive system

•Interactive system

•An interactive system uses an interactive operating system and user interface to run interactive programs that allow the user to interact directly with the running programs to influence the future course of processing.

An interactive system may be

•single-user

•have multiple simultaneous users

Single-user system

•A PC is a single-user system because only one person can use it at a time. If more than one person can use the computer, there is a need for passwords to control access to the software and to the files.

Multi user system

•A Multi user system involves a single computer to which many users have apparently simultaneous access. Typically, each user accesses the system`s server computer across a network, using a PC as a client computer.