Temperature monitoring system for grain silos  Application program with graphical user interface.  Microprocessor-based multi-channel analogue-to-digital converter with parallel processing. Centrifuge/Foam tester control & monitoring system  Application program with graphical user interface.  Virtual state machine for centrifuge speed Control and timing.  Virtual state machine for operational control of Electro-mechanical foam-testing device. Voice command system  Discrete speech recognizer  Vocabulary maker with speech training  Audio capture and preprocessing circuit 8085 Simulator/ EEPROM programmer  Design and implementation of assembler and simulator.  Design and implementation of EEPROM programming circuit and software. Real-time OS  Real time OS for 80x86 machines  Preemptive multitasking with low interrupt latency  Basic system device drivers (Svga, floppy, mouse, keyboard)