PC computer is a flexible electronic device and can receive and process data quickly and accurately, and can also store data for a long time. There is a time when the PC hardware is damaged. So that it annoys the user. In connection with the problems that occur, the researchers aim to build an Expert System application to diagnose damage to PC computers using the Certainty Factor method by using Visual Studio 2010 applications and using Microsoft Access 2013 as a database. Applications that are built can be an alternative in knowing the type of damage and provide alternative solutions in handling damage to PC computer hardware.
Community service activity aimed to provide an understanding of mathematical concepts consists of tips and tricks to solve exam questions for junior high school students. Furthermore, the background of the implementation of this training is to get students used to solve non-routine problems found during national examination, particularly in mathematics subject. This community service was carried out from October to November 2019 with 15 participants. This activity consists of three stages starting with the field assessment, the implementation stage and the last is final stage. In the field assessment stage, the servant determines the trainees to work national examination questions quickly and accurately that is specifically for junior high school students and determine where training will be held. The second stage is the implementation stage for exposuring to rapid strategies in administering national examination, question and answer, and national examination simulation. The final stage is the evaluation stage that is an implementation evaluation of theactivities that have been arranged based on each task that has been given .Based on the training activity that have been carried out it can be concluded that the training activity adds the knowledge and skills of students in working mathematics national examination questions. In addition, this training motivates students to be more active in learning mathematics and to be more mature in preparing for the upcoming national examination. Keyword: training, national examination questions, junior high school students.
It is crucial to implement evaluation after the teaching and learning process. Evaluation will reflect the success of teaching and more important the achievement of the students. Therefore, EFL teachers should develop a good test to measure students' achievement. This study analyzed multiple-choice items of English summative tests constructed by junior high school EFL teachers in Kupang, NTT. The result of this analysis functions as feedback to the English teachers on the quality of English summative tests they had created. This research was descriptive research with documentation for data collection.The English summative tests for grades VIII and IX were collected and then analyzed by using ITEMAN software to reveal item difficulty, item discrimination, and distracters effectiveness of the tests. The findings revealed that the English summative tests were developed with easy items. However, the tests still had a good discriminatory level. The test items which had all distracters perform well were only half of the total items.
Language is a human and non-instinctive method of communicating idea, feeling and desires by means of a system of sounds and sounds symbols. Speaking is a number of impossible from must be selected. Picture is visual representation (of in object or scene or person or abstraction). This study is aim to know whether there is an effect of using picture to improve the speaking ability of SMP Negeri 1 Kefamenanu. The method used to conduct this study is descriptive quantitate method. There were 20 students class VIII in the second grade students of junior high school as the sample of this study. The result of the formula above, it is done through the following procedure check the t-score by using 1 level of significance states in the low of one tailed test. One tailed test used instantly of two tailed is the tendency of the writer in order to match with the result of the two groups. Thus, in accordance the result of the data analysis in this study concludes18 students have got score good 2 students got enough level. Based on the conclusion of data analysis the writer would like to give suggestion for the teacher and the students to pay attention more of the studying about speaking. Confronting with the large class teacher is expected to use a good method particularly communicative method that can help the students to be virtually independent for the spoken language.
Introduction and training of “Fast Math Tricks” for elementary school students in GMIT Petra Kefamenanu congregation aims to develop students' thinking skills and interest in mathematics. This community service activity is carried out for one month, with a meeting duration of 90 minutes per meeting. Students who take part in the activity are students who are considered capable of participating in the training, come from the sixth grade of elementary schools in the GMIT Petra Kefamenanu congregation. The method of implementing this activity is the method of testing, lecturing, and practice. The activity began with an introduction to "Fast Math Tricks", followed by training on "Fast Math Tricks". With the introduction and training of "Fast Math Tricks", students understand and like mathematics more and will become provisions for students for education at the next level. Student response is very good in implementing activities because "Fast Math Tricks" is a new thing for them, in addition to the introduction of "Fast Math Tricks", it can provide benefits and convenience for elementary school students in doing calculations. From the introduction and training activities of fast math tricks, it was concluded that students were 87.50% helped, 8.33% was quite helpful, and 4.17% were not helped by the application of fast math tricks in calculating multiplication and division.
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