The pandemic makes the utilization and competition of information and communication technology has increased. One of the ways to maintain the existence of schools are publication media of more varied school information and teaching-learning activities media. The purpose of this training program is to provide additional expertise for creating inexpensive and fast publications media and teaching-learning media. The offered solution is the use of web logs from Google which is often known as Blogger. Blogger offers a free and easy web log feature. The training was carried out directly at the Sekolah Dasar Negeri 1 Ngampel by using lectures and demonstrations method. There are several parts in this training, web log making, web log management, and also web log analysis. The results of this training show that the participants have succeeded in having their own web logs which are ready to be further managed and analyzed on a regular basis. The use of web logs can be used for various needs, including as a publication media and supporting teaching-learning activities.
The environment is one factor that influences the quality of life, including a high environment for people with the fear of height (Visual Height Intolerance, VHI). Currently, VHI is measured by using the Visual Height Intolerance Severity Scale (VHISS). The lack of evidence-based testing makes these measurements feel weak and less meaningful. The use of Virtual Reality (VR) and Electroencephalography (EEG) based on the Brain-Computer Interface (BCI) deserves to be tested. The test is done by reading the human brain's electrical activity using a BCI-based EEG when given VR exposure. The analysis process uses a simple wave concept. Furthermore, the correlation study was carried out using the Spearman-rho method with a consideration of the normality test, which produced non-parametric data. The correlation test results show that the BCI-based EEG biometric data in the form of the amount of waves per time and magnitude has a strong relationship with the VHISS scale. The higher the number of waves per time, the higher the amplitude, the higher the VHISS scale. The evaluation was carried out by examining the correlation based on the demographics of age and gender. Finally, EEG based on BCI and VR can be an alternative and concrete evidence to review the level of visual height intolerance other than VHISS.
Data transmission media using wireless is currently an alternative to using wired transmission media. Wireless Local Area Network (WLAN) used so far uses 2.4 GHz and 5 GHz frequencies. The use of frequency in the IEEE 802.11 standard protocol is increasingly dense and prone to interference. So that various protocols began to be developed according to needs. In this study using a frequency of 5 GHz and the Nv2 protocol. One of the protocol features in the Mikrotik Wireless device. Signal strength is affected by the Noise Floor Threshold. Noise Floor Threshold value -128 to -110. The higher the Noise Floor Threshold value, the weaker the signal strength will be. The lower the Noise Floor Threshold value, the stronger the signal strength. The Noise Floor Threshold value will also affect the Signal To Noise (dB). When the Noise Floor Threshold value is low, the Signal To Noise (dB) strength is getting stronger, and vice versa
Abstrak – Aplikasi surveilans penyebaran covid-19 di Indonesia telah diberlakukan secara masif sejak surat edaran mendagri tahun 2021 dengan nama Aplikasi Peduli Lindungi. Pencarian sumber masalah paling umum yang menyebabkan aplikasi peduli lindungi mendapatkan penilaian bintang satu oleh penggunanya dapat dilakukan dengan membaca ulasan. Metode yang digunakan meliputi data scraping untuk mengumpulkan data, attribute selection untuk memilih data yang digunakan, text preprocessing untuk membersihkan dan mempersiapkan data, text processing meliputi data sorting, word frequency, dan collocation, serta visualization untuk merepresentasikan hasilnya. Ditemukan 82.265 ulasan dengan bintang satu di google play store. Terdiri dari 73.919 ulasan yang dilengkapi dengan alasan dan sisanya hanya memberikan penilaian bintang satu saja. Data sorting berdasarkan versi aplikasi menunjukkan bahwa tidak semua pengguna menggunakan aplikasi dengan versi yang terbaru. Data sorting berdasarkan thumbsUp menunjukkan bahwa masalah sertifikat, versi aplikasi dengan perangkat lama, serta user experience di formulir tanggal lahir yang paling banyak dikeluhkan oleh penggunanya. Kata-kata yang paling sering muncul di ulasan dengan pembatasan bintang satu diantaranya adalah kata “tidak”, “aplikasi”, “bisa”, “sudah”, dan “vaksin”. Kumpulan kata tersebut menjadi lebih bermakna dengan pendekatan metode kolokasi yang ditemukan, seperti “Sudah vaksin, tidak ada, sertifikat vaksin”. Hasil temuan tersebut lebih mudah dianalisis dengan visualization menggunakan word cloud collocation. Kata Kunci: android; data scraping; kolokasi; surveilans; text processing; visualization; word cloud
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