The expert system application are developed in line with the existence of information technology. The development of expert systems aims to be a means of assistance to provide solutions in our lives. This expert system can help technicians get solutions quickly and can save time. Expert systems use computer technology to integrate, manipulate and display information or characteristics. Expert systems can also help in making better solutions. With the very rapid technological advances today, an idea or idea has emerged from the author to try to implement one of the expert system application programs into the quality of service activities of computer technicians. The author tries to build an application that will help to facilitate the provision of solutions to computer damage to hardware so that it can make it easier for users or technicians to get solutions quickly. The system to be created is "Designing an Expert System for Diagnosing Computer Problems Using Visual Basic" This system will use the prototype method and tools for modeling using UML (Unified Modeling Language). This system is built using the Visual Basic 6.0 application to process the Microsoft Access database.

This research evaluates the effectiveness of playback TV media in improving students' listening skills at SD 012 Kampung Panjang. Qualitative methods with classroom observations were used to collect data related to student interactions with this media. The research results show that rotating TV can increase students' motivation and involvement in listening learning. This media offers an interesting and realistic learning experience, even though there are obstacles. This research suggests the use of rotating TV and active interaction after listening as effective strategies in language learning.