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Rapid advances in Information Technology (IT) in the 21st century have significantly transformed educational practices, particularly in vocational high schools (SMK) specializing in Software Engineering (RPL). Traditional learning media, such as textbooks, static slides, and lectures, often fail to provide an interactive learning experience, limiting students’ engagement and reducing the effectiveness of knowledge retention. To overcome this challenge, this study focuses on developing and validating an interactive quiz application called VOCANETIC, designed as an innovative learning aid for SMK RPL students. The research uses a Research and Development (R&D) approach, emphasizing the stages of product development, expert validation, and feasibility assessment. VOCANETIC is developed using VB.NET in the Microsoft Visual Studio environment, and MySQL is employed for efficient data management and storage. The application features interactive quizzes, real-time feedback, and user-friendly interfaces to enhance student engagement and motivation. Based on evaluation and analysis by expert validators, VOCANETIC meets the “Proper” feasibility criteria, demonstrating usability, interactivity, and educational effectiveness. The results indicate that VOCANETIC is capable of supporting active learning, improving students’ understanding of software engineering concepts, and providing an effective platform for self-assessment and practice. In conclusion, the VOCANETIC application is proven to be a valid, reliable, and practical tool that can be implemented as an interactive learning medium in SMK RPL, offering an innovative approach to facilitate student learning and engagement in the digital era.                                                              

The student admission process in many educational institutions is still conducted manually, leading to issues such as data duplication, input errors, and delays in reporting. This study designs and implements a desktop-based student registration information system using VB.NET and MySQL, equipped with an admission-status checking feature and an automated quota-management module. The system was developed using the waterfall model, consisting of requirement analysis, system design using UML, implementation, and black-box testing. Two user roles are supported: admin and student. Admin users can manage applicant data, configure program quotas, open or close the registration period, and generate reports, while student users can create accounts, complete registration forms, and independently check their admission results. The implementation results show that all core functions operate validly based on testing involving two respondents. The quota-management feature successfully restricts the number of applicants according to predetermined capacities, and the admission-status module automatically displays pass or fail results. The system improves administrative efficiency, enhances data accuracy, and reduces reliance on manual record-keeping. Therefore, this desktop application serves as an effective solution for schools requiring a reliable and efficient admission management system without depending on stable internet connectivity.

Bank BJB Syariah Karawang provides Loans and KPR. Loans and mortgages are Bank products in which the Bank provides a sum of money to lend to customers, with interest giving, but only a small proportion of them know the interest calculations or called Sharia-Buying when taking credit, whether it is a home loan or vehicle. The methodologi that the authors use in the writing of this thesis include the method of identification and system design. System identification includes organization identification, system running, and problem identification. While the design of the system includes design input output, DFD, ERD, data dictionary and database. Implementation activities in this company has been running well and also has been using computer-based systems, but the technology used is still a technology of the past. In doing the calculation of home loans based on sharia has also been using a computer system. As the authors observe, there are still problems that occur such as recording the margin calculation of each customer that takes a long time, so that will result in errors in the calculation of bank margin that has been established Based on the above matters, the authors argue that to overcome these problems, it is necessary to design and implement an integrated system among related functions in a system using Microsoft Visual Studio 2008 and its database Microsoft SQL Server 2005. With the implementation of the system it is expected that the input process and calculation of margin bank syaiah needed for the future can run smoothly and on time.

The implementation of activities in PT Global Indotech Industry has run quite well but has not used a computer-based system to check and calculate raw materials. As the author observed, it turns out there are still problems that occur in checking and calculating the raw material supplies of helmet sockets, such as miscalculating raw material stocks and slow checking of stock availability of raw materials, so that it will disrupt scheduled production systems and can harm the company. Based on the things mentioned above, the author argues that in order to overcome the problem in question, it is necessary to design and implement a system that is integrated between related functions in a system using Microsoft Visual Studio 2008 and its database Microsoft SQL Server 2005 while system design includes design input output, DFD, ERD, data and database dictionary. With the implementation of this system, it is expected that the process of checking and calculating helmet socket raw material supplies for the future can run smoothly and on time.

The Madukoro gas station is one of the gas stations in Semarang where the payment and refueling systems are still done manually. In general, the manual payment and filling system has many obstacles, resulting in long queues because the service is not fast and effective, also triggering the exchange of counterfeit money because payment uses cash. The application of e-money technology based on microcontrollers is made to make a payment system using electronic money instead of cash that is integrated with fuel filling, this system aims to reduce the long queues that occur and also prevent the amount of counterfeit money circulating at gas stations and make services more fast and easy. The method used in the design of this system is to use the method of Research and Development (R&D) theory from Borg and Gill, starting with gathering information by interviewing Madukoro gas station supervisors and field surveys then designing and developing systems to overcome the problems obtained in research. The system design uses a microcontroller as a data processor that will retrieve data from a database that was previously inputted from the VB.Net application and e-money reader and outputs to instruct the pump to remove fuel from the tank in accordance with the calibration of fuel output per second. As information on the rest of the fuel in the tangka, this tool uses the help of a load sensor that will be displayed on the LCD. In general, this system will make services faster and easier, thereby reducing the number of long queues, but also to avoid the circulation of counterfeit money in gas stations Madukoro, Semarang.

Currently the development of information technology is growing rapidly. Therefore the application of information systems in agencies and companies is needed because information technology makes the performance will be implemented well and can handle a variety of data processing. One company that requires information technology is PT. Poliplas Makmur Santosa Ungaran. Inventory system used at PT. Makmur Santosa Ungaran Poliplas is still in the form of notes in the form of spreadsheets that are concurrently daily, making it vulnerable to errors in planning raw material requirements, and the uncontrolled use of production raw materials such as dyes. Therefore we need an adequate raw material planning information system to process data and make raw material planning reports automatically. The purpose of this study is to determine the amount and time of raw materials that must be available for the smooth production process. The problem formulated is when the raw material must be available at PT. Poliplas Makmur Santosa with the right amount and time. The method used in this research is Material Requirement Planning (MRP). The results of this study indicate that the implementation of a computerized system at PT. Poliplas Makmur Santosa Ungaran can support the smooth production related to the availability of the right material, with the right amount and time so that data storage can be more safe and efficient, the program used to make this application uses the VB programming language. NET and SQL Server 2008 as database management.