Brief Introduction to Cryptography and Database. Cryptography talk about security or safety. In the world of technology such as this, data security is something that is absolutely where all data is stored in digital form. Cryptography is the science which studies how to disguise the message and returns it to its original shape so that when the data happens tapping, tapping party will not get the information / data the original because the original data have been disguised. This camouflage technique called encryption and decryption techniques to restore it is called.
Information System (Database)
The database is not only a collection of files. More than that, the database is a central source of data used by multiple users way for various applications. The core of the database is a database management system (DBMS),
which allows creation, modification, and updating the database; get back data, and generate reports.
The purpose of an effective database are:
1. Ensuring that data can be used among users for various applications.
2. Maintaining good data accuracy and consistence.
3. Ensuring that all data needed for applications now and future will be provided quickly.
4. Allow the database to grow and the need user to develop.
5. Allowing users to build their personal views about the data without regard to how data is stored physically.
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Artificial Intelligence (AI)
Artificial Intelligence (AI) is a topic that is talked about artificial intelligence. How computers behave or act like humans, in solving a problem. AI has a technique / concept that can be applied to solve the problem. Some basic techniques are searching method breadth first search, depth first search, heuristic search, etc. Until now, the most obvious application of AI can be seen in the chess program that beat Gary Kasparov (GM Chess No.1 in the World, though not necessarily the program makers can beat Gary Kasparov). Other applications are Japanese-made robot that can respond to and recognize human faces.
Game Network
Game Network is often called multiplayer games, because it can be played by several users at once within a network (whether it's local network LAN or Internet network). Network games are very popular for reasons of comfort and space (space). Users do not need to fight for sight in one monitor to another user, the user can design a strategy game in front of the computer itself, not limited by space (between rooms, buildings and even between countries). The network is a simple game can be created by using Visual Basic applications and use the Winsock component.
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