An intelligent tutoring system (ITS) is a computer system that aims to provide immediate and customized instruction or feedback to learners, usually without requiring intervention from a human teacher.

Intelligent tutoring systems are computer systems that simulate human tutors by providing customized instruction and feedback to learners.

An intelligent tutoring system (ITS) is a computer system based on artificial intelligence designed to deliver content and provide feedback to its user. The main goal of ITS is to interact with students one on one, similar to a human tutor.

All ITSs share the same goal: to provide tutorial services that support learning.

...characterized by giving students an electronic form, natural language dialogue, simulated instrument panel, or other user interface that allows them to enter the steps required for solving the problem... the intermediate steps that are normally written on paper or enacted in the real world are instead done where the tutoring system can sense and interpret them. The tutoring system gives feedback and hints on each step.