Technology in this era is growing rapidly, especially in the field of computers and technology. Where we can see that these developments can facilitate the work of humans or employees and employees. In the education sector, computer science is needed so that teachers can easily provide up-to-date material and are not left behind in today's very rapid technological developments. For this reason, training on programming-based computer science is needed. Many teachers or employees in their understanding of knowing computers are only limited to Ms. Because of that, Office is often used in daily activities. In computer science, there are actually many applications/programs that can make work easier. For this reason, this training was created to introduce one of the application programs in computer science, namely the Visual Studio Net application and the PHPMyAdmin Database. In the training activities carried out at the UISU Siantar Project Islamic Private Vocational School to build a desktop-based information system development process or an application embedded in a computer. Application designed with offline software that has been prepared by the school

The development of the network has changed, which used to use cables, now many wireless networks are built or commonly called Wireless Local Area Networks (WLAN). The use of the internet is increasingly widespread, starting from government agencies, companies, schools and others. WLAN network currently has a very important role as various information that we are looking for we can easily get on the internet. As well as used to make it easier to do our work such as exchanging and storing data. The internet has benefits if Users use it properly. The internet can also have an impact if it is used improperly, namely students at SMP Negeri 1 Dolok Merawan accessing the website during class hours which can disrupt teaching and learning activities. Then it is necessary to apply the Firewall Filtering method using a proxy router to block and limit websites at certain hours to support better and more comfortable teaching and learning activities.
 
 

Penelitian ini bertujuan untuk mengetahui besar tingkat kepuasan konsumen terhadap produk roti Pinkan Bakery & Cake. Dengan mengetahui tingkat kepuasan konsumen, maka pihak toko dapat memperbaiki dan meningkatkan faktor kepuasan konsumen apabila ada kelemahan dan kekurangan. Metode yang digunakan dalam penelitian ini dengan data mining yaitu Algoritma C4.5, sumber data diambil dengan menggunakan angket/kuesioner pada tahap survei pengisian lembar kertas kepada pengunjung toko atau masyarakat sekitar di lingkungan Desa Bangun. Adapun variabel yang digunakan yaitu (1) Harga, (2) Rasa, (3) Kualitas Produk, (4) Kebersihan Tempat. Untuk memudahkan proses pembuatan pohon keputusan proses uji penelitian menggunakan software Rapidminer 5.3. Berdasarkan seluruh hasil tahapan penelitian yang telah dilakukan pada Penerapan Algoritma C4.5 pada analisis faktor Kepuasan Konsumen terhadap Produk Roti Pinkan Bakery and Cake dapat disimpulkan bahwa permasalahan menentukan faktor kepuasan konsumen terhadap produk Roti dapat diselesaikan menggunakan teknik data mining, yaitu dengan Algoritma C4.5. Menghasilkan 5 rules dan Tingkat akurasi yang dihasilkan oleh metode tersebut adalah 93%. Dari perhitungan dengan Algoritma C4.5 maka didapatkan faktor yang paling dominan adalah Rasa (C2) dengan nilai gain sebesar 0,333610402.