The device with the model number 203596 and the title Microcomputer 56 is a type of educational microcomputer that has an LCD screen and a keyboard. This device is usually designed to teach basic concepts and various applications of microcontrollers. An example of this type of microcomputer is the MTS-51 model, which is used to teach the architecture and instructions of 8051 series microcontrollers. These devices have various capabilities, including LED display control, dot matrix, stepper motor, and serial communication. These devices help students and enthusiasts to learn and gain experience with various concepts and applications of microcontrollers.