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All Journal Information Technology and Telematics Dinamik Elkom: Jurnal Elektronika dan Komputer IKRA-ITH Informatika : Jurnal Komputer dan Informatika INTECOMS: Journal of Information Technology and Computer Science IKRA-ITH ABDIMAS Jurnal ICT : Information Communication & Technology Zonasi: Jurnal Sistem Informasi Jurnal Informatika dan Rekayasa Perangkat Lunak Infotek : Jurnal Informatika dan Teknologi Dinamika Informatika: Jurnal Ilmiah Teknologi Informasi Jurnal Pengabdian Masyarakat Intimas (Jurnal INTIMAS): Inovasi Teknologi Informasi Dan Komputer Untuk Masyarakat Duta Abdimas: Jurnal Pengabdian Masyarakat Jurnal Pengabdian Pada Masyarakat Jurnal Abdimastek (Pengabdian Masyarakat Berbasis Teknologi) International Journal of Information Technology and Business
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Rancang Bangun Sistem Informasi Berbasis Web Pada Bengkel K41_Garage Fakhri Zufar Abhirama; Edy Supriyanto; Hari Murti; Rara Sri Artati Redjeki
INTECOMS: Journal of Information Technology and Computer Science Vol 6 No 2 (2023): 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/intecoms.v6i2.7662

Abstract

Bengkel motor adalah sebuah tempat yang untuk memperbaiki kendaraan bermotor baik kerusakan ringan maupun berat. Bengkel K41_Garage adalah sebuah bengkel yang menyediakan sparepart dan melakukan jasa service sepeda motor, dalam proses penjualannya masih mengandalkan konsumen yang datang ke bengkel untuk mencari sparepart atau manual. Hal ini menyebabkan admin kesulitan untuk melakukan cek barang, sedangkan konsumen kesulitan akan jarak dan waktu yang terbatas, serta adannya antri. Dengan adannya masalah tersebut, maka akan dibangun Sistem informasi berbasis web pada bengkel K41_Garage. Sistem ini akan menggunakan pemrograman PHP Mysql, Metode pengembangan sistem Waterfall, dan metode perancangan sistemnya menggunakan UML (Unified Modelling Language). Setelah terciptanya sistem ini diharapkan dapat mempermudah admin dalam melakukan cek barang serta proses penjualan, dan memudahkan konsumen dalam melakukan transaksi pembelian sparepart.
Adopsi Generator Kunci Euler Number dan Pembangkit Kunci Blum Blum Shub untuk Meningkatkan Confidentiality Level pada Extended Vigenere Eka Ardhianto; Rara Sriartati Redjeki; Edy Supriyanto; Hari Murti; Eko Nur Wahyudi
Infotek: Jurnal Informatika dan Teknologi Vol. 7 No. 1 (2024): Infotek : Jurnal Informatika dan Teknologi
Publisher : Fakultas Teknik Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/jit.v7i1.21512

Abstract

Algoritma Vigenere merupakan model algoritma enkripsi yang masih dikembangkan dalam bidang keamanan informasi saat ini. Salah satu aspek yang dianggap penting dalam bidang keamanan informasi adalah kerahasiaan. Masalah pencapaian kerahasiaan pesan atau informasi yang tinggi sangat penting dalam bidang keamanan informasi. Extended Vigenere dikenal sebagai evolusi dari Vigenere yang menerapkan lebih banyak set karakter. Salah satu pengembangan algoritma Vigenere adalah dengan memodifikasi generator kunci yang digunakan. Eksperimen ini bertujuan untuk menguji pengaruh kerahasiaan informasi pada penggunaan generator kunci Blum Blum Shub (BBS) dan nomor Euler yang diterapkan pada Extended Vigenere. Metode pembangkitan kunci BBS dan nomor Euler digunakan secara berurutan. Sebagai metrik pengukuran, perhitungan entropi dari keluaran Extended Vigenere digunakan. Hasil yang diperoleh berupa peningkatan kerahasiaan informasi yang signifikan dengan nilai entropy achievement lebih dari 79% dari entropy optimum.
Aplikasi Pengaduan Masyarakat Pada SPKT Polres Semarang Menggunakan Sequential Search haidhar achmad; Rara Sriartati Redjeki
Elkom : Jurnal Elektronika dan Komputer Vol 16 No 1 (2023): Juli : Jurnal Elektronika dan Komputer
Publisher : STEKOM PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/elkom.v16i1.957

Abstract

The Semarang Police in the SPKT (Integrated Police Service Center) field has functions which include serving complaints from people affected by criminal acts, namely reports of fraud, robbery, embezzlement, theft, loss of valuables and so on. The high number of public complaints at this time so that people really need fast service in the SPKT section. SPKT is the spearhead of police services in providing services to the community to improve and facilitate services, an online complaint application is needed. This research is only used for reporting public complaints about traffic, crime and drugs that occur in Semarang district at the Integrated Police Service Center (SPKT) Semarang Police. The search method is only used to find the complaint number using the sequential search method. The results of the study show that the application of public complaints in the Semarang Police SPKT section makes it easier for the public to submit complaints to the Semarang Police regarding traffic, crime, drugs and searching for complaint numbers using the sequential search method
Analisis Kualitas Web Koni Kota Semarang Terhadap Kepuasan Pengguna Dengan Menggunakan Metode Webqual 4.0 Nova Fadhilah Rahmadian; Edy Supriyanto; W. T. Handoko; Rara Sriartati Redjeki
INTECOMS: Journal of Information Technology and Computer Science Vol 7 No 1 (2024): 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/intecoms.v7i1.8686

Abstract

Dalam era digital yang berkembang pesat, situs web telah menjadi alat komunikasi krusial bagi organisasi dan entitas pemerintah, termasuk Komite Olahraga Nasional Indonesia (KONI). Kualitas situs web memiliki peran signifikan dalam memastikan efektivitas dan keberhasilan organisasi, termasuk KONI Kota Semarang, dalam mencapai tujuan mereka. Penelitian ini bertujuan untuk mengidentifikasi faktor-faktor yang mempengaruhi kepuasan pengguna terhadap situs web KONI Kota Semarang dengan menggunakan metode WebQual 4.0. Dengan metode questioner pada 65 responden diperoleh User Satisfaction 4,00 dan Information Quality 4,01yang berarti pengguna setuju bahwa mereka puas dengan layanan web KONI Kota Semarang dan qualitas yang ada pada web cukup baik. Namun hasil dari Interaction Quality 3,97dan Usability 3,90 yang berarti bahwa qualitas interaksi pengguna web dan ketergunaan web masih dirasa kurang oleh pengguna. Penelitian ini mengusulkan bahwa situs web yang berkualitas tinggi tidak hanya meningkatkan efisiensi internal organisasi, tetapi juga memengaruhi persepsi masyarakat terhadap profesionalisme dan komitmen organisasi terhadap olahraga. Kata Kunci:kepuasan pengguna, WebQual4.0, kualitas,interaksi online
Studi Literasi Tersistematis Implementasi Metode-Metode Pengembangan Sistem Informasi Berbasis Basis Data Terdistribusi Endang Lestariningsih; Rara Sriartati Redjeki; Edy Supriyanto; Hari Murti; Eka Ardhianto; Eko Nur Wahyudi; Widiyanto Tri Handoko
Jurnal Informatika dan Rekayasa Perangkat Lunak Vol 6, No 1 (2024): Maret
Publisher : Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/jinrpl.v6i1.9314

Abstract

Information systems cannot be separated from a database as the main database. As time goes by, the amount of data processed by information systems increases significantly. Currently, databases are not only stored in one storage media location, but can also be stored in different locations and locations. This is also supported by advances in network technology, both hardware and supporting software. The distributed database system model provides significant support for processing data stored in different locations. Many information system implementations use the concept of a distributed database system. The aim of this research is to study the development of database system implementation using distributed database system technology. This research uses a systematic literature observation approach. The results obtained are that the concept of a distributed database system is still used today to support information system governance that produces information tailored to user objectives. Systems created using development techniques based on the distributed database concept have advantages in several aspects of development.
Penggunaan Sistem Informasi Dalam Pengelolaan Data Olah Raga Zuliarso, Eri; Sulastri, Sulastri; Diartono, Dwi Agus; Soelistijadi, R; Artati, Rara Sri
Intimas Vol 4 No 1 (2024)
Publisher : Fakultas Teknologi Informasi dan Industri Unisbank

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35315/intimas.v4i1.9668

Abstract

Komite Olahraga Nasional Indonesia (KONI) Kabupaten Kendal is an organization that is authorized and responsible for managing, fostering, developing and coordinating all sports activities in Kendal Regency. The Kendal Regency KONI management manages 54 sports with a total of 689 athletes, while there are 100 coaches. To manage this, an athlete information system is needed to manage data and information about athletes, including athlete profiles, match results, training schedules, health and fitness other information related to athletes. The primary function of an athlete information system is to assist coaches, team managers, and other support staff in making better decisions related to athlete development and team strategy. In addition, athlete information systems can also help improve athlete performance and overall team management efficiency. The Stikubank University lecturer team has built an Athlete and Coach Information System. This community service activity is carried out to provide training and assistance in the use of the Athlete Information System. The aim of this activity is to provide insight and skills in using Athlete Information Systems to administrators, athletes, and coaches so that the information systems built can help sports teams achieve better performance and gain greater competitive advantages.
Perluasan Pemasaran melalui Literasi Aplikasi Shopee bagi UMKM Paguyuban Lentera Mranggen Demak Supriyanto, Edy; Lestariningsih, Endang; Murti, Hari; Redjeki, Rara Sriartati; Handoko, Widiyanto Tri; Ardhianto, Eka; Soelistijadi, R.; Wismarini, Theresia Dwiati; Wahyudi, Eko Nur; Lusiana, Veronica
Jurnal Pengabdian Pada Masyarakat Vol 9 No 4 (2024): Jurnal Pengabdian Pada Masyarakat
Publisher : Universitas Mathla'ul Anwar Banten

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30653/jppm.v9i4.989

Abstract

Pelaku usaha UMKM adalah kelompok penting yang menggerakkan perekonomian mikro dimasyarakat. Paguyuban UMKM Lentera yang terletak di Mranggen Demak, sebelah timur pinggir kota Semarang, juga perlu mendapatkan perhatian untuk meningkatkan kemampuan pengelolaan dan pendapatan. Hal ini dilihat dari maraknya pembukaan minimarket yang tumbuh dibanyak area penduduk. Permasalahan yang dihadapai saat ini dalah area pemasaran yang terbatas dan jumlah pendapatan yang saat ini stagnan dan cenderung menurun. Solusi yang ditawarkan atas permasalahan adalah adanya ekspansi pasar melalui pembukaan toko online. Pelaksanaan kegiatan ini menggunakan teknik Participatoty Action Research (PAR) dengan bentuk seminar, pelatihan, dan pendampingan. Hasil yang diperoleh adalah meningkatnya pemahaman anggota UMKM Lentera terhadap manfaat, resiko penggunaan toko online, serta keberhasilan para anggota UMKM Lentera untuk membuka toko online sebesar 64,28% dari jumlah peserta keseluruhuan. Toko online yang dimiliki perserta lengkap dengan foto produk dan harga yang siap bersaing. Sebagai bentuk refleksi perlua danya pendampingan dan kegiatan secara berlanjut untuk meningkatkan pemasaran dari berbagai aspek. MSME entrepreneurs are an important group that drives the micro-economy into society. The Lentera MSME Association, which is located on Mranggen Demak, eastern of the edge of Semarang city, also needs attention to improve management capabilities and income. This can be seen from the widespread opening of minimarkets which are growing in many populated areas. The problems currently faced are the limited marketing area and the amount of income which is currently stagnant and tends to decrease. The solution offered to the problem is market expansion through opening an online shop. The implementation of this activity uses Participatory Action Research (PAR) techniques in the form of seminars, training and mentoring. The results obtained were an increase in the understanding of MSME Lentera members regarding the benefits, risks of using online shops, as well as the success of MSME Lentera members in opening online shops amounting to 64.28% of the total number of participants. The online shop owned by participants is complete with product photos and prices that are ready to compete. As a form of reflection on the need for ongoing assistance and activities to improve marketing in various aspects.
New Design of Encryption with Covertext and Reordering Eka Ardhianto; Widiyanto Tri Handoko; Hari Murti; Rara Sri Artati Redjeki
International Journal of Information Technology and Business Vol. 5 No. 2 (2023): April : International Journal of Information Technology and Business
Publisher : Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/ijiteb.522023.01-05

Abstract

Documents for some entities are confidential and important, so security is required. Encryption with Covertext and Reordering (ECR) is a text-based document security model. ECR uses a random key to generate the ciphertext. The ECR’s random key is selected using the human-generated method. This research aims to increase the level of document security based on the ECR mechanism. This paper proposes a new method by using a random key in a permutated table. The random key is generated automatically by a function. The entropy is used as a measurement of the security level of the encrypted documents. The experimental shows that the permutated table inside the ECR provides better entropy values. It implies a better security level. The use of permutated tables also makes it easier to use ECR to secure documents.
Rancang Bangun Sistem Pelanggaran Siswa dengan Otomatisasi Telegram Orang Tua di SMP Negeri 44 Semarang Merita Cahya Kurniasari; Rara Sriartati Redjeki
Jurnal ICT: Information Communication & Technology Vol. 25 No. 1 (2025): JICT-IKMI, July, 2025
Publisher : LPPM STMIK IKMI Cirebon

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

Abstract

Pelanggaran tata tertib siswa masih menjadi permasalahan di SMP Negeri 44 Semarang, dengan komunikasi antara sekolah dan orang tua yang belum optimal. Penelitian ini bertujuan mengembangkan sistem pelaporan pelanggaran siswa berbasis web dengan notifikasi otomatis melalui Telegram. Metode pengembangan yang digunakan adalah prototype, mencakup tahapan perancangan, pengembangan, dan pengujian menggunakan black-box testing. Sistem dibangun menggunakan PHP, MySQL, API Telegram, dan Ngrok. Hasil implementasi menunjukkan bahwa sistem dapat mencatat pelanggaran dan mengirim notifikasi ke orang tua dalam waktu kurang dari 10 detik. Sistem ini meningkatkan efektivitas komunikasi dan keterlibatan orang tua dalam pembinaan siswa. Evaluasi pengguna menunjukkan penerimaan positif terhadap kemudahan penggunaan dan kecepatan sistem. Sistem ini berpotensi dikembangkan lebih lanjut dan diintegrasikan ke sistem manajemen sekolah lainnya
Aplikasi Pengaduan Masyarakat Pada SPKT Polres Semarang Menggunakan Sequential Search achmad, haidhar; Rara Sriartati Redjeki
Elkom: Jurnal Elektronika dan Komputer Vol. 16 No. 1 (2023): Juli : Jurnal Elektronika dan Komputer
Publisher : STEKOM PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/elkom.v16i1.957

Abstract

The Semarang Police in the SPKT (Integrated Police Service Center) field has functions which include serving complaints from people affected by criminal acts, namely reports of fraud, robbery, embezzlement, theft, loss of valuables and so on. The high number of public complaints at this time so that people really need fast service in the SPKT section. SPKT is the spearhead of police services in providing services to the community to improve and facilitate services, an online complaint application is needed. This research is only used for reporting public complaints about traffic, crime and drugs that occur in Semarang district at the Integrated Police Service Center (SPKT) Semarang Police. The search method is only used to find the complaint number using the sequential search method. The results of the study show that the application of public complaints in the Semarang Police SPKT section makes it easier for the public to submit complaints to the Semarang Police regarding traffic, crime, drugs and searching for complaint numbers using the sequential search method
Co-Authors - Sunardi achmad, haidhar Agus Prasetyo Utomo ANDAWANERI, MARETHA Arief Jananto Budi Hartono Dwi Agus Diartono Dwi Budi Santoso Edy Supriyanto Edy Supriyanto Edy Supriyanto Eka Ardhianto Eko Nur Wahyudi Endang Lestariningsih Eri Zuliarso Fakhri Zufar Abhirama Fitika Andraini haidhar achmad Hari Murti Hari Murti Luh Putu Ratna Sundari Merita Cahya Kurniasari Murti, Hari Nova Fadhilah Rahmadian Novita Mariana NURUL R, DIKA R. Soelistijadi Sariyun Naja Anwar Setyawati, Apriliana Sulastri Sulastri Theresia Dwiati Wismarini Utomo, Agung Prasetyo Veronica Lusiana W. T. Handoko Widiyanto Tri Handoko Wismarini, Th Dwiati WT Handoko Yohanes Suhari Yulizar, Muhammad