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An Employee Attendance And Data Management System Based On Rfid Technology And Api Communication Has Been Successfully Developed And Tested With Satisfactory Results. The Problem Faced Is The Weakness Of Traditional Attendance Methods Which Are Susceptible To Human Error And Time Consuming, Hampering The Productivity And Effectiveness Of Company Operations. The Aim Of Developing This System Is To Increase Efficiency And Accuracy In Recording Employee Attendance. The Method Used In This Research Is The Waterfall Method, Which Includes The Stages Of Requirements Analysis, System Design, Implementation, Testing And Maintenance. At The Needs Analysis Stage, Identification And Documentation Of The Desired Attendance System Requirements Are Carried Out. The System Design Phase Involves Designing The Hardware And Software Architecture, Including The Use Of Rfid With Components Such As The Esp8266, Buzzer, And Rc522 As Well As Integration With The Server Via Api. Implementation Is Carried Out By Developing Hardware And Software According To The Design That Has Been Created. Testing Is Carried Out On Hardware Components To Ensure Function According To Specifications And Hardware-Software Integration To Ensure Smooth Communication Without Delays Or Loss Of Data. Business Logic Testing Ensures The System Detects Absences And Performs Automatic Salary Deductions According To Company Policy. The Data Export Module Was Developed To Export Attendance, Member, Division And Salary Data To An Excel File With The Appropriate Format. The Results Show That The Hardware Components Function Well, Able To Read And Send Rfid Data To The Server Accurately. Hardware And Software Integration Via Api Runs Smoothly, Enabling Real-Time Two-Way Communication. Business Logic Testing Shows That The System Can Detect Employee Absences And Perform Automatic Salary Deductions With High Accuracy. The Data Export Module Proved Effective, Allowing Users To Export Data To An Excel File In An Easily Accessible Format For Further Analysis Or Reporting. The Conclusion Of This Research Is That The Employee Attendance And Data Management System Based On Rfid And Api Technology Has Been Proven To Increase Efficiency And Accuracy In The Employee Attendance And Attendance Management Process. This System Offers A Modern And Effective Solution Compared To Traditional Attendance Methods, Providing Significant Flexibility And Ease Of Access. The Implementation Of This Technology Makes An Important Contribution In The Field Of Human Resource Management, Optimizing Productivity And Operational Effectiveness Of The Company.

Physical Education, Sports and Health are subjects that equip students with physical skills, health understanding and healthy living habits. This subject not only emphasizes the development of physical fitness, but also the formation of character, discipline and teamwork. Traditional teaching methods often face challenges in maintaining student interest and participation. Students who are used to digital technology feel that conventional methods are less interesting and irrelevant to their digital world. This research uses the waterfall method and aims to develop interactive learning media that integrates various elements such as animation, video tutorials, motion simulations and interactive quizzes. The results of the research produced interactive learning media with validation results from material and media experts showing a high level of feasibility, with an average score of 85%, exceeding the minimum criteria of 75%. Student responses were very positive, with 87% stating that this media increased their understanding and interest in learning.

Along with the rapid development of technology and knowledge at this time makes information a very important role in order to achieve goals the development of computer technology today has grown rapidly, this encourages the creation of the need for the application of increasingly sophisticated computer technology. Design and build a kiosk rental information system at the web-based traditional market of Sumaja Makmur Village aims to facilitate the process of kiosk rental payment transactions. The situation faced by the traditional market of Sumaja Makmur Village is that the process of stall rental transactions is still carried out manually, so it takes time because traders have to come to the market chairman's office to make stall rental transactions. The research method used is a qualitative descriptive method, while the system development method uses the waterfall method.

The new student enrollment process at SMP MIFTAHURROHMAN faces various challenges in terms of efficiency and effectiveness. The current manual process often leads to delays and errors, and fails to meet enrollment targets. To address these issues, we developed a web-based application designed to facilitate the enrollment of new students. This application allows students to register online, upload supporting documents, and print registration receipts. The system is built using the waterfall method and technologies such as PHP, MySQL, and the CodeIgniter framework. Both students and school administrators can monitor and manage registration data in real-time. The implementation of this application is expected to make the new student enrollment process faster, more accurate, and transparent, thereby improving operational efficiency and user satisfaction. This research shows that the developed application effectively addresses the existing problems and provides significant benefits for the school.  

The rapid development of technology has driven companies to enhance efficiency in their business processes. This development needs to be supported by the use of appropriate and relevant technology to ensure smooth business operations. PT Duta Ekspor Globalindo is a company engaged in export services and requires technology to manage its financial system. Currently, the company still relies on manual methods and Microsoft Excel for financial record-keeping, which can lead to errors, delayed reporting, and security issues. Therefore, this research aims to facilitate the company in managing its financial system by developing a web-based Financial Information System application. The waterfall method, consisting of analysis, design, coding, and testing, was used in the development of the application. The application was built using PHP programming language and MySQL database. The research resulted in the creation of a Financial Information System capable of efficiently managing financial and generating reports.    

This research aims to design and build a website-based library book e-catalog application at the Fatahillah College Center Foundation. This application is designed to overcome the limitations of the manual system currently used by libraries, increase the efficiency of book information management, and make information access easier for users. The research methods used include descriptive methods, observation, interviews, and system development using the Waterfall model. The research results show that the e-catalog application can manage book, member, and loan transaction data effectively. It is hoped that implementing this application can support literacy activities and increase library operational efficiency.

Methodology is a very important basic framework in the design and development of professional software, aimed at creating an information system that meets the business needs of an organization. Success in software development relies heavily on managing the software project as a whole. Establishing a methodology includes high dynamics in the design stages of a model that describes the activities and life cycle of a system. SDLC (Systems Development Life Cycle) or Systems Development Life Cycle, in the context of systems and software engineering, is a process that includes the creation and modification of systems, as well as the models and methodologies used to develop them. This discussion will explain the analysis of selecting software development methodologies, including waterfall, prototype, iterative, spiral, and rapid application development (RAD). It is hoped that the results of this discussion can provide considerations in choosing and using the right methodology based on each individual's needs, strengths and weaknesses, as well as other factors such as familiarity with technology, system complexity, system reliability, and short and precise time requirements, as well as referencing several scientific journals.

As a beginner in the business of exotic animals provider, Rumbur Exotic Pet run the business activities manually and do not utilise advanced technology, so it’s performance is less effective and efficient. Therefore, adequate technological support is needed to improve business performance and productivity through designing a Java-based sales information system. This research use the Waterfall model as one of the SDLC (System Development Life Cycle) software development methods. The system design tools that used are Data Flow Diagrams (DFD) and Entity Relationship Diagrams (ERD). The results of designing a Java-based sales information system can increase work effectiveness and efficiency, facilitate data collection and storage of sales information, produce detailed and accurate reports, and encourage productivity and profitability.     

An employee payroll information system is an important component in an organization for managing employee salary data and payments effectively and efficiently. This research aims to analyze the factors that influence the success of employee payroll information system project management. The research method used is the waterfall method, which includes planning stages, needs analysis, system design, implementation, as well as testing and evaluation. This system is designed to automate the payroll process, from calculating salaries, withholding taxes, to creating financial reports. With this information system, it is hoped that it can reduce human error in the payroll process and increase employee satisfaction through transparency and accuracy of salary data. Where the implementation results show a significant increase in the speed and accuracy of payroll. Key factors for the success of this project include active involvement of stakeholders, use of appropriate technology, and effective risk management.

Information systems technology is currently very necessary in the field of education, especially in utilizing computer laboratory assets. Unfortunately, computer laboratory asset data processing is still done manually using handwritten logbooks which have weaknesses in terms of time, efficiency and effectiveness in data processing. Therefore, a web-based information system project management system is a solution to overcome the problem of processing computer laboratory asset data. This system development approach uses the waterfall method which includes needs analysis, system design, implementation and testing of the system. The system design uses use case and activity diagrams which are the final product of this research.  With this system, it is hoped that data processing can be accurate, handle data leaks and work processes will also be faster and more timely. System implementation. The system implementation is expected to improve the ability to process asset data in the computer laboratory.

For project management software to be efficient and increase productivity, effectiveness, efficiency, security, and functionality, it must be able to accommodate different user needs. It is important to analyze human-computer interactions when designing software to prevent problems that could harm users. To help IT consultants and client organizations in managing and supervising projects more effectively, this author focuses on developing a “Web-Based Collaborative Project Management Information System for Information Technology Project Management”. IT consultants can share data, manage teams, connect with clients, and manage projects, tasks, and milestones with this solution. Business clients have access to IT specialists, can provide project quotes, and can aggregate project status. The waterfall development technique used includes requirements analysis, design, coding, testing, and maintenance. User research shows this.

This research discusses the development of tourism in Aik Berik Village, which is located in North Batukliang District, Central Lombok Regency, with a focus on Benang Stokel and Benang Kelambu Waterfalls as superior tourist attractions. Tourism in this village has a significant impact on the local community's economy, where this tourism is able to create new jobs for the community. Through community empowerment strategies such as training and digital promotion, local communities play an important role in the management and promotion of tourist destinations. However, the development of this tourism still experiences several challenges in the promotion and accessibility of other destinations. around the Mosquito Net Yarn. In the research carried out, the research used qualitative methods using an approach in the form of case studies, collecting data obtained by interviews, observation and documentation. This research also uses techniques to determine informants using purposive sampling. The main informant is the mosquito net tourism manager, the key informants are tourist motorbike taxi drivers, traders and parking attendants, and the supporting informants are tourists. The data analysis technique used is data reduction. The research results show that active community participation and cooperation between various parties have opened up new economic opportunities and improved community welfare.

CV Buana Utama is a company that distributes frozen sea fish. The employee attendance system at CV Buana Utama, which includes information about entry times, picket schedules and attendance reports, is still done manually. So, during the recording process, errors may occur, or reports may be less accurate, and it may take longer to find the required data. This research utilizes the waterfall method. This Android-based application will make the employee attendance system better than the manual system so that employees are more time disciplined and work runs more efficiently. Apart from that, the best solution is to use an Android system that can solve company problems and achieve company goals.

Businesses, regardless of size, must continuously adjust to fast-paced technological advancements to remain competitive, particularly in the hotel industry. The Room Division plays a vital role as the heart of the hotel business, serving as the frontliner. A significant number of hotels have implemented technological advancements inside their operational room divisions, particularly in the front office and housekeeping departments. However, there are only a limited number of apps that can provide automation for analyzing the effectiveness of room attendants using delegation systems. A prototype of the hotel room division application based on the Intelligent Planning System (IPS). The IPS module provides automated analysis with rapid and precise outcomes, minimizing human involvement and reducing the likelihood of human mistakes. The research is conducted by applying the Software Development Life Cycle (SDLC) with the waterfall model, which includes planning, development, testing, and implementation stages. The prototype's anticipated outcome is to serve as a viable solution, with innovative features potentially benefiting the hotel's operational room division.  

Procurement is a recurring activity in a company's business process. While the traditional procurement process is often considered less efficient and effective, it requires a better solution. The traditional procurement process also often requires a long time, high cost, and lack of transparency. This can lead to inefficiency and the risk of misuse. This research aims to develop a more efficient and effective procurement application model using SDLC and waterfall methodologies. This research uses observation methods to study the current procurement process and interviews to get input from stakeholders regarding application needs. The results showed that the developed procurement application model can help companies in a more efficient and effective procurement process. This application model can help companies to save time and costs, as well as increase transparency and accountability of the procurement process.

This research proposes the use of a decision support system based on the Profile Matching method to determine the thesis supervisor. This method is effective in making decisions that are in accordance with the concentration of the thesis title, functional position, and educational level of the lecturer. This research refers to the concept of a decision support system that offers several alternative choices to assist management in making decisions efficiently. The Profile Matching method is carried out with the stages of variable weighting, factor grouping, and total value calculation. This research also refers to related studies that have been conducted previously to build a more effective and efficient system in determining supervisors. The research method used is Research and Development with a waterfall System Development Life Cycle (SDLC) model. The results showed that the use of a decision support system with the Profile Matching method can provide recommendations for supervisors in accordance with the criteria set. Product testing using Aiken's V and ISO/IEC 25010 standards also shows that this system is feasible to use with good validity values and quality that meets standards. In conclusion, the decision support system with the Profile Matching method can help speed up and improve efficiency in determining thesis supervisors in the PTIK study program at UIN Sjech M.Djamil Djambek Bukittinggi. Suggestions for further development are to consider integration with web technology for ease of access and use.

Procurement of goods is a recurring activity in a company's business process. Meanwhile, the traditional goods procurement process is often felt to be less efficient and effective, so it requires a better solution. The traditional procurement process also often takes a long time, has high costs and lacks transparency. This can lead to inefficiencies and risks of abuse. This research aims to develop a more efficient and effective goods procurement application model using SDLC and waterfall methodology. This research uses observation methods to study the current procurement process and interviews to obtain input from stakeholders regarding application needs. The research results show that the goods procurement application model developed can help companies in the goods procurement process more efficiently and effectively. This application model can help companies save time and costs, as well as increase transparency and accountability in the procurement process.

Raja Photo Studio is a place that provides services in the field of photography, with the aim of maximizing and empowering all the potential and abilities of its founder, who was born from a background in the world of photography. The photo services in question are for people who need photos for their own purposes. such as graduation photos, pre-wedding photos, family photos and so on. Customers can book coverage for weddings and aqikah events and so on. The information available at Raja Photo Studio includes product information in the form of prices and photo sizes, sales information. Based on research regarding the Web-Based Service Information System at Studio Raja Using the Waterfall Method

The critical period for the growth and development of infants can be referred to as a critical period. It is said that this critical period in infancy will be very detrimental to the environment around it and it is said that the future due to infancy is very short and cannot be repeated. Newborns are more susceptible to various diseases. Diseases in infants can be identified based on the symptoms that arise. This is caused by several factors including the lack of information about diseases in infants after birth that is known to the general public. Therefore, research is needed on diseases and symptoms that affect babies after birth. One alternative in order to find out the disease in the baby after birth can use an expert system. In building the system, the author uses the Backward Chaining method, uses the Waterfall system development method (SDLC) and the Object Oriented Approach (OOA). The result of this research is a web-based application that can later be accessed or used to make it easier for the public, especially parents of babies, to diagnose symptoms or diseases in babies after birth as early as possible.

The representation process for mapping malnutrition rates in the Waingapu City District area does not yet use computer technology, so the process of monitoring malnutrition rates in each region is still not presented well. This certainly makes it difficult for cadres and the Health Service to monitor the rate of malnutrition in the Waingapu City District Area. Therefore, it is necessary to build an information system that is able to provide data, both in the form of graphs and maps, for mapping malnutrition rates in the Waingapu City District area. The design and development of this information system was carried out using data collection methods and direct interviews with the Waingapu City Health Service, by looking for other references related to similar research. The aim of designing a web-based geographic information system for data collection on malnutrition sufferers is to help the community and the Health Service in monitoring and handling cases of malnutrition in the Waingapu City District area. This Geographic Information System will display malnutrition data based on sub-districts using color polygons as signs that provide information about safe conditions or conditions that require further treatment. The method used in creating a website is waterfall and goes through six stages, namely: the Reguirement Analysis (Analysis), Design (design), Development (coding), Testing (trial), and maintenance (maintenance) stages and system testing is carried out using black box.