Regional potential is the ability of an area that can be developed to improve the area according to its regional characteristics. This potential can cover social, economic, infrastructure, natural resources, and human resources and their work. To improve regional development, a strategic policy is needed that leads to improving the economy of a region. In this study the regional grouping of 3 agricultural, plantation, and livestock groups in Bangkalan Regency consisted of 18 sub-districts using the K-Means Clustering method, from which the data was processed preprocessing using Scaling transformations starting from the lower limit search and the upper limit, looking for the Lower Limit and Upper Limit, then grouping using K-Means Clustering. From the research, it was found that testing in the agricultural sector with 3 clusters for the initial cluster center 5,7,15 obtained final clusters according to the highest yield criteria in cluster 1 compared to clusters 2 and 3. For testing in the plantation sector with 3 clusters for the initial cluster center 4,7,16 the final clusters were obtained according to the highest yield criteria in cluster 2 compared to clusters 1, and 3 and for testing the livestock sector with 3 clusters at the initial cluster center 3,11,13 the final clusters were obtained according to the criteria it was known that more height in cluster 2 is compared to cluster 1 and 3.
Communication in the digital age plays an important role, a person can carry out various transactions or exchange data practically and quickly. So as to pose a great risk to information security, ranging from misuse of access or unauthorized authority, modification, change of information, destruction to theft, this is in accordance with the main principles of data and information security ranging from Confidentiality, Integrity, Authentication, and Availability. In research that has been done using RC4 Cryptography Algorithm for Encryption and Decryption in Data Files shows that the RC4 algorithm can run well and is able to secure the authenticity of the data so it is not easily changed by people who are not responsible or people who do not have good access rights in the form text or files in several pdf, doc, Docx, Xls, xlsx or text file formats and directly affect the execution time of encrypted and decrypted files.
Introducing a company or business in order to attract potential customers is a mandatory requirement so that the company or business has improved performance or can be more easily recognized by prospective customers, causing the company or business to sell products or services to prospective customers more easily because they are known and trusted by customers. Everything can be done easily using promotional services or professional branding services that follow the development of communication technology, in using these services companies or businesses do not need to come to the location where the service is located, the intended customers are not only local consumers and the promotional media used is not media print out. This research develops a web-based branding service information system, a system built using the Elicitation Requirement stage by distributing questionnaires and conducting interviews with system users and related parties in the development of the system, the System Requirement analysis stage based on functional and non-functional needs, system design use cases, Activity Diagrams and CDM PDM for database design, web-based implemented systems, using PHP, the coding process with Notepad ++ text editor, MySql as the database, testing using Black Box to test each system function, research results are obtained according to the stages that the system simplifies the ordering process for customers who want to use branding services, no need to come to what service location because it is done online, the media used are easily accepted by customers because it is done digitally and presented interactively for slow reach again is not only local but has expanded.
All Water is the most important source in the human body, healthy water can help the metabolic processes in the body perfectly. Water used by humans must be in accordance with those set by the government (Permenkes RI number 492 of 2010, regarding the requirements and supervision of water quality). Clean water according to regulations issued by the government through the Indonesian Ministry of Health is having a PH value of 6.5 - 8.5, TDS (Total Dissolved Solid) a maximum of 500 mg / L, and a maximum turbidity level is 5 NTU (Nephelometric Turbidity Unit). In the process of managing dirty water into clean water, it must be done carefully so that the germs in the water are completely gone and the people who use them are free from all diseases. From the problems above, a clean water management system has been created. This system can read the value of water suitable for use or not. Water condition readings using PH sensor, TDS (Total Dissolved solid) sensor and turbidity sensor (TSD 10). Data values from the sensor (input) are processed using fuzzy method as a logic to start the pump if the water value does not match the set point specified and display the sensor value on the LCD (Liquid Cristal Display). The results of the whole system were obtained an average error for the sr-HC04 sensor 1%, turbidity 2.12%, the TDS sensor 2.40% and the pH sensor 0.48%.
The development of Fintech's business in Indonesia helps maximize the use of technology to change, sharpen, or improve various financial aspects ranging from payment methods, transferring funds, obtaining funds, loans to asset management can begin to be accelerated and shortened using technology. However, considering technology that is not well prepared will have an impact on a poor user experience. The DANA application still requires UI / UX difficulties on transactions so it does not meet user expectations. Assessing user-centered design can help in user-related issues. Supporting user-centered design has been supported by various techniques, methods, tools, procedures and processes that help design interactive systems that are more user-centered. Data mining methods used are interviews with end users and literature studies. New design and prototype recommendations according to usability test results. A total of seven participants tested the usability of the new transaction prototype. The expected results of this design help overcome/control the user in conducting transactions.
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