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Erwin Daniel Sitanggang
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rwins@umbp.ac.id
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lofian@umbp.ac.id
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Jl. Letjend. Djamin Ginting No. 285-287, Padang Bulan, Medan Baru, Medan, Sumatera Utara, Indonesia - 20155
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LOFIAN: Jurnal Teknologi Informasi dan Komunikasi
Published by Universitas Mandiri Bina Prestasi
ISSN : 27989836     EISSN : 27989593     DOI : https://doi.org/10.58918/lofian.v2i2
Core Subject : Science,
Computer Science & IT
LOFIAN: Jurnal Teknologi Informasi dan Komunikasi, merupakan jurnal ilmiah yang berfokus pada bidang Teknologi Informasi dan Komunikasi (TIK) bertaraf nasional yang diterbitkan oleh Program Studi Teknik Informatika Universitas Mandiri Bina Prestasi (UMBP) dengan e-ISSN: 2798-9593 dan p-ISSN: 2798-9836. Diterbitkan secara berkala enam bulan sekali yaitu September dan Maret dengan tujuan untuk menyebarluaskan pemikiran konseptual atau ide-ide berupa temuan, inovasi dan penerapan teknologi ilmiah yang telah dicapai di bidang penelitian.
Arjuna Subject : Ilmu Komputer (semua kategori) - Ilmu Komputer (Lain-Lain)
Articles 61 Documents
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Simulasi Pemodelan Procedure-Consumer Problem pada Sistem Operasi Maradu Sihombing; Jaidup Banjarnahor
LOFIAN: Jurnal Teknologi Informasi dan Komunikasi Vol 1 No 1 (2021): September
Publisher : Universitas Mandiri Bina Prestasi (MBP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58918/lofian.v1i1.160

Abstract

Sistem operasi yang menggunakan lebih dari satu proses untuk dapat bekerja bersama mencapai tujuan yang diinginkan. Agar tujuan tercapai secara benar, proses-proses tersebut harus mensinkronkan kegiatan-kegiatannya sehingga terkendali dengan baik untuk menghindari kondisi deadlock, salah satu metode untuk menyelesaikan masalah Deadlock adalah Procedure-Consumer. Procedure-Consumer menggunakan Perangkat lunak metode sleep and wake-up untuk mencegah masalah yang terjadi ketika buffer penuh, sementara producer ingin meletakkan item ke buffer dan consumer ingin mengambil item sementara buffer telah kosong. Perangkat lunak menggunakan semaphore untuk untuk mem-blocked producer atau consumer lain ketika salah satu producer atau consumer sedang berada dalam buffer. Perangkat lunak simulasi Producer-Consumer ini merupakan illustrasi dari proses sinkronisasi, yaitu bagaimana cara mengatur beberapa proses yang mengakses beberapa variabel secara bersamaan.
Perancangan Sistem Informasi Jadwal Kegiatan Pelayanan dan Pendaftaran Ibadah Pada Gereja Pentakosta Indonesia Sidang Tanjung Sari Berbasis Web Debora Grace Daeli; Ginting, Wasit; Romanus Damanik
LOFIAN: Jurnal Teknologi Informasi dan Komunikasi Vol 3 No 1 (2023): Agustus
Publisher : Universitas Mandiri Bina Prestasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58918/lofian.v3i1.212

Abstract

The Covid-19 pandemic has had a huge negative impact on all areas. The Indonesian Pentecostal Church of the Tanjung Sari Congregation is a place of worship that was affected by Covid-19 causing the church to limit both activities and the number of people who worship at the church. These restrictions make it difficult for the congregation and guests to get information regarding the schedule of service activities and even have difficulty getting seats to worship because of restrictions on the number of people who attend offline worship. So with the Design of an Information System for Service Activity Schedules and Worship Registration at the Indonesian Pentecostal Church, the Tanjung Sari Assembly will help overcome problems related to delivering information to the congregation and guests of the Tanjung Sari Assembly. The method used in making this information system is to use the prototype model, where the flow and stages used include identifying users and developing prototypes. With this system, all congregation members and guests can obtain information regarding the exact schedule of weekly service activities and can register for worship to get seats in offline worship. In this system the congregation and guests only fill in their personal data so that they can access and find out all activities and officers from the church who as admins will always notify all activities that will be held.
Implementasi Metode Standar NIST Dalam Analisis Data Forensik Studi Kasus Penipuan Salah Transfer Mencatut Nama Wabup Pada SMP Ar-rohman Krangkeng Royadi, Didi; Asfi, Marsani; Sevtiana, Agus
LOFIAN: Jurnal Teknologi Informasi dan Komunikasi Vol 3 No 1 (2023): Agustus
Publisher : Universitas Mandiri Bina Prestasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58918/lofian.v3i1.216

Abstract

Dalam beberapa waktu terakhir, kemajuan pesat teknologi tidak hanya membawa dampak positif, tetapi juga dampak negatif, termasuk munculnya modus penipuan baru yang memanfaatkan teknologi dan mencatut nama pejabat publik untuk mempermudah aksinya. Pelaku seringkali menggunakan media sosial seperti WhatsApp untuk melancarkan kejahatannya. Pada studi kasus ini, terjadi penipuan dengan mengatasnamakan pejabat publik yang terjadi di SMP Ar-rohman Krangkeng. Penelitian ini menggunakan metode NIST (National Institute of Standards and Technology), yang terdiri dari empat tahap: Pengumpulan (collecting), Pemeriksaan (examination), Analisis (analysis), dan Pelaporan (Reporting). Pada tahap Pengumpulan (collecting), penulis mengumpulkan barang bukti dari sisi korban dan pelaku (phishing link). Pada tahap Pemeriksaan (examination), penulis menggunakan alat FTK Imager dan hashmyfile untuk validasi. Setelah itu, dilakukan analisis (analysis), data dan hasil akhirnya disusun dalam bentuk laporan Reporting. Penggunaan metode NIST menghasilkan bukti penting dari perspektif korban, seperti percakapan WhatsApp Web dengan pelaku, sedangkan dari sisi pelaku, bukti yang ditemukan meliputi foto pelaku, alamat IP (202.67.41.246), lokasi di Surabaya, Jawa Timur (latitude -7.2574719, longitude 112.7520883), dan jenis perangkat Android yang digunakan oleh pelaku dalam menjalankan aksinya. Diharapkan bukti yang ditemukan dapat membantu pihak berwenang dalam mengambil tindakan yang tepat dan mencegah kejadian serupa terulang di masa mendatang. Efektivitas metode analisis forensik berbasis NIST yang ditunjukkan dalam penelitian ini menjadi referensi untuk penyelidikan di masa depan.
Analisa Algoritma C.45 Terhadap penentuan Rekomendasi Penerima Beasiswa SMP Swasta Methodist-8 Medan Sipayung, Sardo Pardingotan; Sihaloho, Tulus Pramita; Purba, Ade; Tarigan, Jenheri Rejeki
LOFIAN: Jurnal Teknologi Informasi dan Komunikasi Vol 3 No 1 (2023): Agustus
Publisher : Universitas Mandiri Bina Prestasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58918/lofian.v3i1.217

Abstract

Scholarships are financial assistance with the intention to be used as a means of continuing education that is taken and is usually given by foundations, companies and government agencies. Scholarships in the form of funds used to help underprivileged students in continuing their task of completing education. Therefore the scholarship must be on target to the recipient who is truly feasible and deserves to get it. The number of prospective recipients makes the selection process take a long time. In this case the use of data mining methods can be used as a solution to facilitate the selection process. The C4.5 algorithm is an algorithm that will be used in this study. The data used are the names of students, classes, parents' income, dependents of parents, and the average report card value. Data mining processing on a training data will produce a decision tree. The evaluation method carried out in this test was obtained by the accuracy value of 93.33 %, this could be proof that the C4.5 algorithm was accurate enough to provide scholarship recommendations.
Sistem Pendukung Keputusan Penentuan Siswa Berprestasi Dengan Metode Analytic Hierarchy Process (AHP) (Study Kasus: SMK Dharma Patra P. Berandan) Sinuraya, Bersama; Pinem, Anjar; Perangin-angin, Jimmy
LOFIAN: Jurnal Teknologi Informasi dan Komunikasi Vol 3 No 1 (2023): Agustus
Publisher : Universitas Mandiri Bina Prestasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58918/lofian.v3i1.219

Abstract

Teknologi Informasi  dewasa ini sangat berperan, terutama dalam pengolahan data yang sifatnya kompleks, disamping itu peranannya juga dapat membantu proses pengolahannya yang tepat dan akurat, dalam penelitian ini penulis mencoba untuk mengolah data siswa, terutama penentuan siswa yang cerdas, melalui penelitian ini diyakini pihak sekolah dapat dengan mudah dan objektif menentukan siswanya yang berprestasi, dengan bantuan metode Analytical Hierarchy penelitian ini mampu menghasilkan sebuah aplikasi untuk memudahkan proses pengolahannya tersebut.
Sistem Pendukung Keputusan Penerima Beasiswa Dengan Metode Fuzzy Logic (Studi Kasus: STT Sumatera) Sartana; Simbolon, Fauzi Haris; Simbolon, Ratna Wati
LOFIAN: Jurnal Teknologi Informasi dan Komunikasi Vol 3 No 1 (2023): Agustus
Publisher : Universitas Mandiri Bina Prestasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58918/lofian.v3i1.220

Abstract

Sumatra Theological College (STT) is one of the educational institutions that provides scholarships to students every year. This is of course with the aim to ease the burden of student education costs. At the beginning of each semester of the new school year, STT Sumatra selects students who are eligible for scholarships. This selection process requires accuracy and time, because student data will be compared with the scholarship criteria one by one. The purpose of this scholarship is to help students obtain proper educational services in tertiary institutions. Selection of scholarship recipients is carried out by a scholarship selection committee. The process of determining scholarship recipients goes through several stages and uses conventional methods. Several problems were found including the long time in the process of selecting scholarships for the underprivileged, difficulties in determining scholarship recipients. .So we need an application that can help determine scholarship recipients. Then a decision support application for determining underprivileged scholarship recipients was designed. The aim is to assist the decision-making process in determining scholarship recipients. This decision support application for scholarship recipients uses the Fuzzy Logic method as a method that will process the results of student assessments which will produce a ranking from the largest to the smallest, with this method decision making becomes easier.
Sistem Pendukung Keputusan Penilaian Pegawai Terbaik Dengan Metode Simple Additive Weighting Di Dinas Pekerjaan Umum Dan Penataan Ruang Kabupaten Karo Gija, Permana; Erwin Daniel Sitanggang
LOFIAN: Jurnal Teknologi Informasi dan Komunikasi Vol 4 No 2 (2025): Pebruari
Publisher : Universitas Mandiri Bina Prestasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58918/lofian.v4i2.266

Abstract

Sistem Pendukung Keputusan (SPK) telah menjadi bagian integral dalam berbagai organisasi dan lembaga pemerintahan, termasuk Dinas PUPR Kabupaten Karo. Dalam konteks ini, penilaian kinerja pegawai menjadi hal yang krusial untuk memastikan efisiensi, produktivitas, dan kualitas layanan yang diberikan oleh pegawai di dalam organisasi. Oleh karena itu, penelitian ini bertujuan untuk mengembangkan sebuah SPK yang menggunakan Metode Simple Additive Weighting (SAW) untuk menilai pegawai terbaik di Dinas PUPR Kabupaten Karo. SPK ini dirancang untuk membantu pimpinan dalam proses pengambilan keputusan terkait penilaian pegawai. Metode SAW digunakan untuk menghitung nilai kinerja setiap pegawai berdasarkan beberapa kriteria yang relevan. Kriteria-kriteria ini dipilih dengan cermat dan mencakup aspek-aspek seperti produktivitas, kualitas pekerjaan, keterampilan, dan kompetensi. Setiap kriteria diberi bobot sesuai dengan tingkat kepentingannya dalam konteks penilaian.Dalam penggunaannya, SPK ini mengharuskan pengguna untuk menginput data kinerja pegawai berdasarkan kriteria yang telah ditetapkan. Kemudian, sistem akan melakukan perhitungan berdasarkan bobot kriteria dan menghasilkan peringkat pegawai berdasarkan penilaian mereka. Hasil ini dapat digunakan untuk mendukung keputusan terkait promosi, insentif, atau pengembangan pegawai. Selain itu, SPK ini dapat memberikan manfaat tambahan berupa transparansi dalam proses penilaian, yang dapat meningkatkan motivasi dan kinerja pegawai. Penelitian ini merupakan kontribusi penting dalam upaya meningkatkan efektivitas manajemen SDM di Dinas PUPR Kabupaten Karo. Dengan menggunakan pendekatan SAW dalam SPK ini, diharapkan organisasi dapat lebih mudah mengidentifikasi dan mempertahankan pegawai-pegawai berkinerja tinggi, yang pada gilirannya akan berkontribusi pada pencapaian tujuan organisasi dengan lebih baik.
Pemodelan Otomasi Bak Sampah berbasis Sensitivitas Objek M. D. Priangga; Simamora, S N M P
LOFIAN: Jurnal Teknologi Informasi dan Komunikasi Vol 4 No 2 (2025): Pebruari
Publisher : Universitas Mandiri Bina Prestasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58918/lofian.v4i2.274

Abstract

Manual tasks that still rely heavily on human skill and discipline cannot yet match the superior results achievable through automation. The designed waste bin model ensures no physical contact between the end-user and the bin during disposal. This is achieved by installing a sensor to detect obstacles approaching the bin. When an obstacle, such as the end-user, is within a range of 80 to 40 centimeters from the sensor's line of sight, the bin lid will automatically open. Additionally, a sensor inside the bin detects the waste height from the lid. When the waste reaches a predefined height of 40 to 20 centimeters, a buzzer will sound, and a notification will be displayed indicating that the bin is full. The model was designed using the Wokwi simulator and implemented with an ESP-32 microcontroller. The model also employs an embedded-systems approach. The results demonstrate that the device successfully detects obstacles in front of the bin, ensuring non-contact between the end-user and the bin. The predefined waste height is also accurately detected by the sensor, triggering a notification on the Visual-Display Unit (VDU) and activating the buzzer.
Sistem Pendukung Keputusan Perekrutan Berbasis Web Pada PT Organic Meets Good Market Menggunakan Metode Weight Product Natasimbolon, Astri; Astrid Nata Simbolon; Lismardiana Sembiring; Wanra Tarigan; Sariadin Siallagan
LOFIAN: Jurnal Teknologi Informasi dan Komunikasi Vol 4 No 2 (2025): Pebruari
Publisher : Universitas Mandiri Bina Prestasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58918/lofian.v4i2.281

Abstract

In facing future challenges, the management of PT Organic Meets Good Market must prepare its human resources well. Human resources who are superior, skilled and competent in their field will play a very important role in supporting the success of an organization. The importance of recruitment is to get employees who are competent and qualified to fill new positions in accordance with the required skills. To get human resources requires several steps and systems that are all very closely related to each other
Efektivitas Pelaksanaan Sistem Penjaminan Mutu Internal Pada Perguruan Tinggi Swasta (Studi Kasus Universitas Mandiri Bina Prestasi) Sartana; Fauzi Haris Simbolon; Ratna Wati Simbolon; Maradu Sihombing; Marice Hotnauli Simbolon
LOFIAN: Jurnal Teknologi Informasi dan Komunikasi Vol 4 No 2 (2025): Pebruari
Publisher : Universitas Mandiri Bina Prestasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58918/lofian.v4i2.286

Abstract

Based on Minister of Education and Culture Regulation No. 53 of 2023, universities as educational institutions have a big responsibility to provide quality educational services through the Internal Quality Assurance System (SPMI). It is hoped that the presence of SPMI can make a positive contribution to the quality of education in a tertiary institution. SPMI can be called the foundation of higher education which must be implemented by ensuring that every element in the environment moves according to higher education standards. The implementation of SPMI has indeed become a benchmark for determining the quality of a tertiary institution, but there are still many who have not implemented it according to the standards that have been set, resulting in the level of effectiveness of implementing SPMI in tertiary institutions being low. The private university Mandiri Bina Prestasi University (UMBP) has complete SPMI documents and refers to Minister of Education and Culture Regulation No. 53 of 2023 and measures the level of effectiveness of SPMI implementation through SPMI implementation effectiveness indicators by conducting Internal Quality Audits (AMI) and Monitoring and Evaluation (Monev) on the performance and quality of each work unit within the UMBP environment including all Study Programs. In this way, by filling out questionnaires and questionnaires which are distributed to all elements and work units, the level of effectiveness of the implementation of SPMI at UMBP Higher Education can be measured, making it easier for decision makers and policy makers to improve and even increase the standards that apply at UMBP so that Good University Government can be achieved.

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