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Rancang Bangun Sistem Cetak Faktur Penjualan Berbasis Website pada PT. Akusara Mitra Sinergi Semarang Jovan, Tjia, Marcelino; Widayati, Yohana Tri; Bakti, Cristeddy Asa
Jurasik (Jurnal Riset Sistem Informasi dan Teknik Informatika) Vol 10, No 1 (2025): Edisi Februari
Publisher : STIKOM Tunas Bangsa Pematangsiantar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/jurasik.v10i1.857

Abstract

This research aims to design a website-based sales invoice printing system to overcome the problems of complexity and limitations in using MS. Excel at PT Akusara Mitra Sinergi Semarang. This research uses the Waterfall system development method and also the UML (Unified Modeling Language) model in designing a sales invoice printing system. In this design, using the CodeIgniter framework program or in the PHP programming language, HTML, and MySQL database to store data. The main features provided include creating, managing, printing invoices, and setting invoice numbers. Based on the results of the design, the system succeeded in increasing the speed and accuracy of the invoicing process, as well as minimizing human error. Thus, this system is expected to support PT Akusara Mitra Sinergi Semarang in achieving higher operational efficiency and strengthening overall business performance.
ANALISIS DAN KOMPARASI ALGORITMA NA VE BAYES DAN C4.5 UNTUK KLASIFIKASI LOYALITAS PELANGGAN MNC PLAY KOTA SEMARANG Widayati, Yohana Tri; Prihati, Yani; Widjaja, Stephanus
Jurnal Transformatika Vol. 18 No. 2 (2021): January, 2021
Publisher : Jurusan Teknologi Informasi Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/transformatika.v18i2.2541

Abstract

Customer loyalty is an important factor to the survival of a company. The problem facting today is related to the descreasing number of customer loyalty that happened to PT MNC Play. If this is allowed   to continue it is not impossible this will endanger the continuity of the company s business.Keep in mind the factors that cause customers to have loyal and disloyal status, data mining classification techniques can be used to classify loyal and disloyal customers. Many data mining classification algorithms can be used, so it needs to be comparative to know the accuracy of each algorithm, the algorithem used is C4.5 and Na ve Bayes. The data used were 28,899MNC Play customer of Semarang City.The results of the classification   process were evaluated using cross validation, confusion matrix, ROC Curve to find the more accurate data mining classification algorithm to determine loyal and disloyal customers.Keywords: Classification, Customers Loyalty, Na ve Bayes, C4.5.
PENERAPAN METODE PROTOTYPING DALAM PERANCANGAN USER INTERFACE (UI) WEBSITE REGISTRASI ONLINE PENDAKI Mranani, Mugie; Widayati, Yohana Tri; Prakoso, Satrio Agung
INTECOMS: Journal of Information Technology and Computer Science Vol. 8 No. 5 (2025): INTECOMS: Journal of Information Technology and Computer Science
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/phr7kd66

Abstract

Kebutuhan akan sistem pelayanan yang cepat, efisien, dan mudah diakses mendorong sektor pariwisata untuk mengadopsi pendekatan digital, termasuk dalam proses registrasi pendakian gunung. Penelitian ini bertujuan merancang antarmuka pengguna (User Interface/UI) sistem registrasi online pendaki Gunung Sindoro melalui Basecamp Ndoro Arum dengan metode Prototyping. Metode ini dipilih karena bersifat iteratif dan berorientasi pada pengguna, memungkinkan perbaikan desain secara berkelanjutan berdasarkan umpan balik pengguna. Pendekatan penelitian yang digunakan adalah deskriptif kualitatif, dengan teknik pengumpulan data melalui observasi, wawancara, dan studi literatur. Proses pengembangan meliputi analisis kebutuhan, perancangan prototipe menggunakan Figma, evaluasi, dan penyempurnaan desain. Hasil menunjukkan bahwa metode Prototyping efektif dalam menghasilkan desain UI yang responsif, intuitif, dan sesuai dengan ekspektasi pengguna. Prototipe yang dikembangkan meningkatkan efisiensi registrasi sekaligus memperkuat pengalaman pengguna dalam mengakses layanan. Penelitian ini diharapkan menjadi referensi bagi pengembangan sistem registrasi daring berbasis UI/UX.
Pengembangan website ujian tes TOEFL pada Lembaga Kursus “Plug-in” Wijaya, Arya Bima; Widayati, Yohana Tri; Prakoso, Satrio Agung
Jurnal Ilmiah Teknologi Informasi Asia Vol 19 No 2 (2025): Volume 19 nomor 2 2025 (8)
Publisher : LP2M Institut Teknologi dan Bisnis ASIA Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32815/jitika.v19i2.1189

Abstract

The TOEFL test is an international standard for measuring English language ability. This research developed a web-based TOEFL examination system at the “Plug-in” Training Institute using the Scrum method to address the shortcomings of the old system, such as audio control, score accuracy, and insufficient detail in recording results. The data were collected through observation, interviews, and literature study. Scrum was applied in three sprints that focused on the listening section navigation, score calculation, and answer logging. Features for single audio playback, a timer, automatic score calculation, and a detailed results display were successfully implemented. Testing showed the system to be stable and accurate according to TOEFL standards. This system improves efficiency, fairness, and user experience in digital TOEFL examinations. Suggestions for development include broader testing, UI/UX optimization, a data export feature, and more detailed answer logging for analysis.
Implikasi Reward dan Turnover Intention Terhadap Kinerja Karyawan Dengan Pengumpulan Data Berbasis IT: Studi Kasus Yayasan Bina Budhi Wibisono, Leo Agung; Kartika, Erawati; Widayati, Yohana Tri; Widjaja, Stephanus
Jurnal Ilmu Komputer dan Bisnis Vol. 16 No. 1 (2025): Vol. 16 No. 1 Mei (2025)
Publisher : STMIK Dharmapala Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47927/jikb.v16i1.942

Abstract

Penelitian ini bertujuan untuk mengetahui bagaimana pengaruh penghargaan terhadap kinerja karyawan operasional dan tenaga kependidikan di Yayasan Bina Budhi dan bagaimana pengaruh turnover intention terhadap kinerja karyawan operasional dan tenaga kependidikan Yayasan Bina Budhi. Hipotesa dalam penelitian ini adalah semakin efektif pemberian penghargaan dan semakin berkurangnya turnover intention maka akan meningkatkan kinerja karyawan operasional dan tenaga kependidikan. Metode yang digunakan dalam penelitian ini adalah metode kuantitatif. Metode pengumpulan data dalam penelitian ini adalah metode angket (kuisioner). Subyek penelitian menggunakan sampel sebanyak 40 responden, Teknik pengambilan sampel dengan metode sampling jenuh. Data yang digunakan adalah data primer dan metode pengolahan data yang digunakan adalah analisis regresi linear berganda. Hasil penelitian menunjukkan terdapat pengaruh positif dan signifikan variable penghargaan terhadap kinerja karyawan operasional dan tenaga kependidikan.