JURNAL PTI (PENDIDIKAN DAN TEKNOLOGI INFORMASI) FAKULTAS KEGURUAN ILMU PENDIDIKAN UNIVERSITA PUTRA INDONESIA "YPTK" PADANG

Web-Based Expert System for Computer Troubleshooting Diagnosis Using the Forward Chaining Method

Rayhand Ferdiano — 2026-09-25

Computer fault diagnosis at SMKN 2 Padang Panjang is currently performed manually and relies on a single technician, resulting in lengthy identification and repair processes. Furthermore, the lack of organized records regarding computer fault history hinders the tracking of failure patterns in specific units. This study aims to develop a web-based expert system utilizing the Forward Chaining method to assist in computer troubleshooting and diagnosis based on user-reported symptoms. The research employs the Research and Development (R&D) approach with the Rapid Application Development (RAD) model, comprising the stages of Requirements Planning, User Design, Construction, and Cutover. A knowledge base (rule base) is automatically generated from training data using the C4.5 Decision Tree algorithm and subsequently processed via a Forward Chaining inference engine. The system incorporates QR Code features for unique computer identification and a diagnosis history log. System validation involved Black Box Testing, White Box Testing, expert evaluation, and user testing. Black box and white box testing results confirmed that all system functions operated according to the design. Expert evaluation yielded an average score of 95.8% (categorized as highly valid), while testing with 25 users demonstrated a 96% alignment between the system's diagnoses and those of experts. These results demonstrate that the developed web-based expert system is effective, valid, and suitable for use as an initial diagnostic tool for computer troubleshooting in a school laboratory environment.

Analyzing User Behavioral Intention Toward Hotel Reservation Systems in Bali: An Integrated TAM-UX-Trust-Satisfaction Approach

Kadek Dwi Pradnyani Novianti — 2026-09-25

The digitalization of self-reservation systems has become a crucial strategy for mid-scale hotels in Bali to maintain competitiveness and reduce third-party commissions. This study aims to analyze the adoption of room reservation systems in mid-scale hotels (non-starred to three-star hotels) in Bali by integrating the Technology Acceptance Model (TAM), User Experience (UEQ), Trust, and Satisfaction frameworks toward users' Behavioral Intention. Utilizing an associative quantitative approach, data collection was conducted through a total sampling (census) method directed at all active users of the local reservation system at Hotel X, yielding 35 respondents (N=35). The data were analyzed using multiple linear regression via Jamovi software. The results indicated that the integrated model simultaneously possesses high predictive capability with an R² value of 79.3%. Partially, Satisfaction was proven to be the strongest and most significantly positive driver of Behavioral Intention (p = 0.010). Conversely, the Dependability variable showed a significant negative effect (p = 0.029), indicating that overly rigid control systems actually reduce users' adoption intention. Meanwhile, the core TAM variables (Perceived Ease of Use and Perceived Usefulness) as well as Trust were found to have no partial significant effect. The managerial implications of this study recommend hotel management prioritize simplifying the reservation workflow to minimize operational friction and maximize users' transactional satisfaction.