This application of an expert system for identification of oil palm plant diseases aims to make it easier for employees of the Oil Palm Research Center of Sungai Lilin Musi Banyuasin Business Unit to identify oil palm plant diseases based on the symptoms seen then this application provides solutions and appropriate control methods for plant diseases. the oil palm. The data used in this study are data on 10 diseases that exist in oil palm plants and 47 symptoms that appear. The method used in this expert system for identification of oil palm plant diseases uses the Forward Chaining method and the depth-first search tracking technique so that the tracking process will be tested from the first symptom to the last to get a conclusion in the form of the name of the disease along with its causes and how to control it. in this expert system, namely functional testing and expert system testing. Functional testing uses the Black Box method with the Equivalence Patitioning (EP) technique. System testing is carried out by system users, namely. Based on the results of testing with the Black Box method, the developed system functions as expected. Furthermore, expert testing is a test that compares the results of the system diagnosis with the results of expert diagnoses. Expertise test results also show good results. Furthermore, external testing, this test is by giving questionnaires to 35 respondents to get an assessment of the system. The results of the questionnaire (Expert) obtained a satisfaction value of 89.2%Keywords: Oil Palm Disease, Expert System, Forward Chaining Method, depth-first search

The Lumpatan 1 Village Office which is located on Jl.Betung-Sekayu, Lumpatan, Sekayu, Musi Banyuasin Regency is the Lumpatan I Village Office for the Musi Banyuasin Regency, South Sumatra Province. This office has a duty as community service for the Musi Banyuasin area. However, this office does not yet have electronic media to convey information to the public, so it is difficult for people to find information about the office. So far, to find information about this office, people still come to the office directly without any media connecting the community with this office. In this study the method used is the Waterfall method which consists of five stages, namely: Needs Analysis, System Design, Coding, Testing or Implementation, and Maintenance. With this Company Profile, it will be useful for the Lumpatan 1 Village Office and users (Community) because it is a medium of information or a liaison between the office and the community. This Company Profile was built using the PHP and MySQL programming languages ​​as a medium for delivering data and the web server is localhost PHP Myadmin.

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Multimedia is one form of information technology, namely information technology that combines images, writing, text, sound, video, animation into an information system that is useful in making decisions for its users. This media displays information about the registration flow of prospective new students in a clear and concise manner. The method used is the MDLC (Multimedia Development Life Cycle) method as software development. For an explanation of each registration flow information using audio, in addition to making this media more interesting, characters or animations are displayed.