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All Journal Jurnal Info Sains : Informatika dan Sains Jurnal Ilmiah Sistem Informasi dan Ilmu Komputer Jurnal Pendidikan Sains dan Teknologi Terapan Neptunus: Jurnal Ilmu Komputer dan Teknologi Informasi
Ahmad Taufik Al Afkari Siahaan
Unknown Affiliation
Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science

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Perancangan Sistem Pakar Untuk Mendiagnosa Penyakit Asam Lambung Dengan Metode Certainty Factor Mhd Anshor Harahap; Ahmad Taufik Al Afkari Siahaan
Jurnal ilmiah Sistem Informasi dan Ilmu Komputer Vol. 3 No. 3 (2023): November : Jurnal ilmiah Sistem Informasi dan Ilmu Komputer
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/juisik.v3i3.635

Abstract

An expert system is a computer-based system that can match or mimic the ability of an expert to solve a problem. This system is designed to mimic the expertise of an expert to answer questions and solve problems in the fields of health or medicine, business, economics and so on. The important role of an expert can be replaced by a computer program whose working principle is to provide solutions as done by the expert. Certainty Factor is a method that defines a measure of certainty of facts or rules to describe an expert's belief in the problem at hand. This system is web-based, so that later this system can be accessed by the wider community online via the internet anywhere and anytime. In dealing with a problem, answers are often found that do not have full certainty.1 This research aims to find out what factors cause the appearance of stomach acid disease through the Certainty Factor method.
Perancangan Sistem Administrasi Pengelolaan Arsip Surat Masuk Dan Keluar Pada Biro Kesejahteraan Rakyat Berbasis Web Salsabila Arifa Hasibuan; Zahara Vonna; Ahmad Taufik Al Afkari Siahaan
Neptunus: Jurnal Ilmu Komputer Dan Teknologi Informasi Vol. 3 No. 1 (2025): Februari : Neptunus : Jurnal Ilmu Komputer Dan Teknologi Informasi
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/neptunus.v3i1.577

Abstract

Managing incoming and outgoing letter archives is an important aspect in supporting administrative performance at the Regional Secretary's People's Welfare Bureau. This research aims to design a web-based administration system that can increase effectiveness and efficiency in managing mail archives. The methods used in this research include requirements analysis, system design, and prototype testing. The results of the analysis show that the mail management process is currently still carried out manually, which results in difficulties in searching and archiving data. By designing a web-based system, it is hoped that it will make it easier for users to input, search and manage mail archives in real-time. The resulting system prototype is equipped with features such as mail data management, reports and notifications, which are designed to increase data accessibility and security. Test results show that this system can function well and meet user needs. It is hoped that this research can make a positive contribution to the Regional Secretary's People's Welfare Bureau in improving administrative performance through better archive management.
Pemodelan Bangun Sistem Informasi Absensi Karyawan Berbasis Web Pada Badan Pusat Statistik Provsu Muhammad Suhery; Ahmad Taufik Al Afkari Siahaan
Jurnal Pendidikan Sains dan Teknologi Terapan | E-ISSN : 3031-7983 Vol. 2 No. 3 (2025): Juli - September
Publisher : CV.ITTC INDONESIA

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Abstract

Penelitian ini bertujuan untuk memodelkan dan membangun Sistem Informasi Absensi Karyawan berbasis web pada Badan Pusat Statistik Provinsi Sumatera Utara (BPS Provsu). Absensi karyawan merupakan aspek kritis dalam menentukan kedisiplinan dan kinerja pegawai, sehingga diperlukan pendekatan teknologi informasi untuk mencatat absensi secara real-time dan efisien. Saat ini, BPS Provsu masih menggunakan metode manual untuk absensi, yang rentan terhadap kesalahan dan kurang efektif. Oleh karena itu, pengembangan sistem informasi absensi berbasis web menjadi solusi yang relevan dan mendesak. Metode pengembangan yang digunakan adalah metode waterfall, yang merupakan model terurut dan sistematik terdiri dari tahapan pengumpulan dan analisis kebutuhan, perancangan sistem, implementasi, pengujian, dan penerapan. Dalam aplikasinya, terdapat dua peran utama, yaitu User (karyawan) dan Admin. User melakukan absensi melalui aplikasi setelah login, dan memiliki akses untuk mengajukan izin absensi secara online. Admin bertanggung jawab untuk memonitor aplikasi, mengelola data karyawan, absensi, jabatan, dan keterangan izin, serta memastikan validitas data yang masuk. Hasil penelitian menunjukkan bahwa aplikasi ini memberikan kemudahan bagi karyawan dalam melakukan absensi dan mengajukan izin, serta meminimalisir kesalahan pencatatan data. Website sebagai bagian dari sistem informasi memberikan informasi yang mudah diakses oleh pengguna yang ingin mengajukan absensi izin atau sakit. Implementasi aplikasi ini juga membantu Admin dalam memonitor dan mengelola data dengan lebih efektif, serta menghasilkan laporan absensi yang akurat dan dapat diandalkan. Penggunaan aplikasi absensi berbasis web meningkatkan efisiensi operasional, meminimalkan risiko kehilangan data, dan memperbaiki proses pengelolaan absensi di BPS Provsu secara keseluruhan.
The effectiveness of technology for programming learning with Android Based In UIN SU's Computer Science Study Program Rakhmat Kurniawan Ramli; Ahmad Taufik Al Afkari Siahaan
Jurnal Info Sains : Informatika dan Sains Vol. 13 No. 03 (2023): Informatika dan Sains , Edition December 2023
Publisher : SEAN Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The popularity of Android devices and the availability of various educational applications will provide many benefits, this is because android supports various multimedia formats, allowing the integration of audio, video, and animation to improve the understanding of concepts and learning content on Android applications can be updated easily. As many as 99% of students and lecturers of UINSU's computer science faculty own android smartphones. Programming material is a complex learning material and difficult for students to understand in both theory and attraction transfer courses. Therefore, interesting learning media is needed to make it easier for students to understand the content of the learning material. The results of this research are the development process, feasibility and implementation results of android application-based programming learning.
Co-Authors Mhd Anshor Harahap Muhammad Suhery Rakhmat Kurniawan Ramli Salsabila Arifa Hasibuan Zahara Vonna