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All Journal bit-Tech Computer Science and Information Technologies
Verri Kuswanto
Buddhi Dharma University
Computer Science & IT Engineering

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Analysis and Evaluation Web-Based Sales System Using the ISO 9126 Quality Model Ryu Tantanu Ryu Tantanu; Verri Kuswanto
bit-Tech Vol. 8 No. 1 (2025): bit-Tech
Publisher : Komunitas Dosen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32877/bt.v8i1.1654

Abstract

This study aimed to evaluate the quality of the TR Car Dealership web-based sales system by addressing specific challenges in its functionality, reliability, usability, efficiency, maintainability, and portability. The primary objective was to assess whether the system effectively supports user needs and provides a seamless experience for account registration, product browsing, purchase transactions, and administrative tasks. The ISO 9126 model was utilized as the assessment framework, focusing on six quality attributes that are critical to user satisfaction and system performance. Testing was conducted using black-box testing for functionality assessment and survey-based evaluations for usability and user satisfaction. Automated tools, such as JMeter, Google Lighthouse, and SonarQube, were employed to measure reliability, efficiency, and maintainability under various conditions. The results revealed high scores across several attributes: Functionality achieved an average of 90%, affirming the system’s operational capabilities; Usability scored 91.3%, highlighting ease of use; and Efficiency reached 87%, reflecting effective performance under normal load. However, the Reliability attribute scored 86%, indicating room for improvement, particularly in handling high traffic and unexpected inputs. These findings underscore the TR Car Dealership system’s strengths in user-friendliness and feature completeness while suggesting targeted enhancements for reliability and stability. By addressing these aspects, the system can further enhance user trust and deliver a more resilient and consistent performance. This research demonstrates the effectiveness of the ISO 9126 model in identifying actionable improvements for web-based sales systems.
Analysis and Design of Monitoring Information System in the General Affairs Division Charles Liustanto; Verri Kuswanto
bit-Tech Vol. 7 No. 3 (2025): bit-Tech
Publisher : Komunitas Dosen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32877/bt.v7i3.1711

Abstract

With the rapid advancement of technology, the surrounding environment must adapt to these developments. This can be seen in the industrial sector, which is starting to adopt information systems to support its activities. However, this adaptation is not uniform, and some areas have yet to adopt information systems to support their operations, such as at PT. Diansurya Global, particularly in the General Affairs Division. In this division, all activities are conducted traditionally, such as managing vehicle orders, monitoring the availability of drivers and vehicles, and storing vehicle data, which is still in hardcopy format. Therefore, a monitoring information system is needed to assist the activities in the General Affairs Division. PT. Diansurya Global is a company that produces and exports metal equipment. Consequently, a monitoring information system is designed to provide real-time information on the availability of drivers and vehicles, which accelerates the determination of routes and delivery schedules. Additionally, this system can also assist other divisions in placing operational vehicle orders, thus preventing duplicate or uncommunicated orders due to the documentation within the system. System testing is conducted using the user acceptance testing method to ensure that the features meet user needs. This monitoring information system can also be used to store information such as vehicle administration data, including payment history for administrative costs and maintenance history for operational vehicles.
Analysis and Design Web-Based Computer Service Management Information System Prayoga Kurniawan; Verri Kuswanto
bit-Tech Vol. 8 No. 2 (2025): bit-Tech
Publisher : Komunitas Dosen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32877/bt.v8i2.3108

Abstract

Computer systems are essential to modern business operations but often encounter issues such as slow performance, system crashes, and virus infections due to inadequate maintenance practices. Although computer repair service companies are available to address these problems, they frequently experience inefficiencies caused by limited information about hardware or software damage, poor communication between technicians, and ineffective service reporting systems. These issues reduce the overall quality of service and customer satisfaction. To overcome these challenges, this study developed a web-based service management system designed to streamline repair workflows, enhance coordination among technicians, and improve communication with customers. The system integrates a diagnostic module that applies a simplified Backward Chaining reasoning method, enabling users to identify the causes of computer faults by testing possible hypotheses based on observed symptoms similar to the reasoning process of an expert technician. The system was evaluated using the Blackbox testing method, focusing on input accuracy, feature functionality, and overall system performance. The testing results showed that all system features operated correctly (100%), and the diagnostic module effectively simulated expert reasoning in identifying computer faults. User feedback also indicated noticeable improvements in operational efficiency, technician collaboration, and customer satisfaction. Overall, the proposed system demonstrates its potential as a reliable tool for optimizing computer repair business processes, improving diagnostic accuracy, and enhancing communication and service delivery
Analysis and Design of a Web-Based Online Booking System for Laboratory Examination Services Jovan Arsenio Nathanael; Verri Kuswanto
bit-Tech Vol. 8 No. 3 (2026): bit-Tech
Publisher : Komunitas Dosen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32877/bt.v8i3.3317

Abstract

The laboratory examination registration process in many clinics is still conducted manually, resulting in inefficiencies, limited accessibility, and fragmented data management. This study aims to design and evaluate an online laboratory examination booking system to address these limitations and improve service accessibility. The system was developed using a prototype-based approach, enabling iterative refinement through continuous user feedback during the design and evaluation stages. This approach supports early validation of system requirements and functional suitability when compared to conventional linear development methods. The proposed system provides integrated access to laboratory examination information, including available examination types, pricing, schedules, and downloadable examination results, which can be accessed anytime and anywhere without requiring patients to revisit the clinic. System evaluation was conducted through usability testing involving patients and officers using the System Usability Scale. The results indicate high usability levels, with patients achieving a score of 91% and officers achieving 92%, reflecting excellent system acceptance and ease of use. These findings demonstrate measurable improvements in registration efficiency and user satisfaction compared to the previous manual process. Furthermore, the application of the prototype method proved effective in identifying functional gaps at an early stage, resulting in a more user-centered and adaptable system design. This study contributes a practical solution for improving laboratory examination registration services and empirical evidence supporting the effectiveness of prototype-based development in healthcare information systems.
Co-Authors Charles Liustanto Jansen Wiratama Jovan Arsenio Nathanael Prayoga Kurniawan Ryu Tantanu Ryu Tantanu Santo Fernandi Wijaya