In This Paper Wediscussed Real-Time Software Components For Embedded Systems. Real-Time Systemsare Computer Systems That Monitor, Respond To, or Control an External Environment.This Environment Is Connected to the Computer System Through Sensors,Actuators, and Other Input-Output Interfaces. It May Consist of Physical Orbiological Objects of any Form and Structure. Often Humans Are Part of Theconnected External World, But a Wide Range of Other Natural and Artificialobjects, As Well As Animals, Are Also Possible.