The Merriam Webster Dictionary, 1998, defines robotics as “technology dealing with the design, construction, and operation of robots”.
Robotics encompasses such diverse areas of technology as mechanical, electrical, and electronic systems; computer hardware; and computer

The Robot Institute of America defines a robot as a programmable, multifunctional manipulator designed to move material, parts, tools, or specialized devices, through variable programmed motions, for the performance of a variety of tasks.

Different fields of technology involved in the architecture of robots:
 Theory of robots
 Sensors and transducer technology
 Motors technology (Steppers or DC servo motors)
 Motor drive and control
 Control theory
 Power semiconductor drive Microelectronics
 Digital systems
 Computer systems & Computer interfacing

general areas of robotics:
• industrial,
• hobbyist,
• show or promotional,
• domestic or personal,
• military,
• educational, and
• medical.

Classification of Robots
 Manual-Handling device.
 Fixed-Sequence Robot.
 Variable-Sequence Robot.
 Playback Robot.
 Numerical Control Robot.
 Intelligent Robot.

History of Robotics
 1922: Rossum’s Universal Robots
 1954: First programmable robot
 1978: First PUMA robot
 1983: Started teaching in Robotics

Advantages of Robots
Increase Productivity, Safety, Efficiency, Quality, and Consistency of products. Work in Hazardous environments and have capabilities beyond that of humans.