Designed and implemented the core system components, such as record management component, indexing component, system management component, query language component.

Implemented a simple database program with indices, nested-loop join, and a variant of nested-loop join using the ndbm library
Wrote a program to simulate a lock manager.

Designed and built up a PDA (Personal Database Application) using Oracle database system.

Enhanced Discrete Event Simulation and IP Switching.
Implemented a client-server game using rpc.
Implemented reliable Simple TCP layer.
Implemented FTP client for directory copy.

Exploited Object Oriented Programming concepts:
Inheritance, Polymorphism, RTTI, Concurrency, Network programming, RMI, and applet. Projects include:
an interactive program which manages one person's calendar of events, three solitaire game, a Site Searcher for user to search keyword in specified path web pages, a Big Number calculator with simple operations using java.awt package, and a Snake Bite video game using drawing, graphics, images, and events in an applet.

Wrote a simple pop mail program.
Wrote a program to extract the html file of specific url.
Implemented a web database system.
Implemented a simple maze game in a java applet.

Superscalar Microprocessor AGU (Address Generation Unit)
Team work
Based on AMD K5 architecture to design and implement AGU following X86 instruction set.

IRC(Internet Relay Chat) system. Simple Assembler.