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All Journal Jurnal Ilmu Komputer Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) JURNAL MEDIA INFORMATIKA BUDIDARMA J-SAKTI (Jurnal Sains Komputer dan Informatika) IJISTECH (International Journal Of Information System & Technology) KOMIK (Konferensi Nasional Teknologi Informasi dan Komputer) The IJICS (International Journal of Informatics and Computer Science) JURIKOM (Jurnal Riset Komputer) Building of Informatics, Technology and Science Islam Universalia : International Journal of Islamic Studies and Social Sciences REMIK : Riset dan E-Jurnal Manajemen Informatika Komputer JOURNAL OF INFORMATION SYSTEM RESEARCH (JOSH) Journal of Computer System and Informatics (JoSYC) Jurnal Sistem Komputer dan Informatika (JSON) TIN: TERAPAN INFORMATIKA NUSANTARA Jurasik (Jurnal Riset Sistem Informasi dan Teknik Informatika) IJISTECH JPM: JURNAL PENGABDIAN MASYARAKAT Journal of Informatics Management and Information Technology Journal of Social Responsibility Projects by Higher Education Forum Jurnal Teknisi J-SAKTI (Jurnal Sains Komputer dan Informatika) Bulletin of Information Technology (BIT) KETIK : Jurnal Informatika ORAHUA : Jurnal Pengabdian Kepada Masyarakat
Surya Darma Nasution
Universitas Budi Darma, Medan
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Journal : Building of Informatics, Technology and Science

 1 
Penerapan Algoritma Elias Delta Codes Dalam Kompresi File Teks Rizky, Nadia Fariza; Nasution, Surya Darma; Fadlina, Fadlina
Building of Informatics, Technology and Science (BITS) Vol 2 No 2 (2020): December 2020
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (342.547 KB) | DOI: 10.47065/bits.v2i2.138

Abstract

File size or large files are not only a problem in terms of storage, but also another problem when communication between computers. Data usage with a larger size will take longer transfer times compared to data that has a smaller size. Therefore to overcome this problem you can use data compression. Seeing the compression of data compression, data compression is needed that can reduce the size of the data, so that it gains the advantage of reducing the use of external storage media space, accelerating the process of transferring data between storage media, data utilization used in this study is the elias delta codes algorithm. Compression is a method used to reduce the bit or data from the original result to a new result. Where this compression will be applied into the algorithm, the elias delta codes algorithm. After getting the results of the compression it will be designed into Microsoft Visual Studio 2008
Penerapan Algoritma Punctured Elias Codes Dalam Kompresi Citra Depika, Dwi Ayu; Nasution, Surya Darma
Building of Informatics, Technology and Science (BITS) Vol 2 No 2 (2020): December 2020
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (587.152 KB) | DOI: 10.47065/bits.v2i2.301

Abstract

In the process of managing multiple images or images, with larger image sizes or images that can hold longer storage and larger storage, it is needed more often as it cannot be contained on storage media and is not conveyed, thus opening up free space in memory storage media. So to make a lot of free space and have a data size that is not large on the storage media, a compression method is needed which means to shorten the required bit size. Punctured Elias Algorithm Code can be used to obtain information about the compression performed by compressing images to provide benefits in storage and requires more memory space compared to uncompressed images.
Modifikasi Algoritma Sattolo Shuffle Untuk Mengacak Soal Pada Aplikasi Ujian Online Nasution, Surya Darma; Mesran, Mesran
Building of Informatics, Technology and Science (BITS) Vol 7 No 1 (2025): June (2025)
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/bits.v7i1.7580

Abstract

The use of Computer-Based Testing (CBT) systems has become a popular evaluation method due to its efficiency and ability to accelerate the assessment process. However, challenges such as cheating and the similarity of question sequences among participants still frequently occur. This study aims to design and implement a modified Sattolo Shuffle algorithm with the addition of a Linear Congruential Generator (LCG) as a source of random numbers in the exam question randomization process. The Sattolo Shuffle algorithm was chosen because it produces a single cyclic permutation that ensures each question element is repositioned, reducing the potential for recurring patterns. The LCG is used to generate random indices deterministically but variably, based on specific parameters and an initial value (seed) derived from the participant’s serial number. The implementation was carried out in a web-based CBT system consisting of 50 questions in each exam session. Testing on three participants showed that the generated question sequences were completely different, with no identical orders found. Each participant received a unique combination of questions with an even distribution of question positions. Initial results demonstrate the algorithm's effectiveness in increasing question variation and preventing duplication, making it a potential solution to enhance security and fairness in CBT administration. This research is expected to contribute significantly to the development of more randomized, fair, and cheat-resistant online exam systems.
Co-Authors Abdul Halim Lubis Abdul Halim Lubis Abdul Karim Abdul Khair Tarigan Abu Sani Tanjung Afriany, Joli Ahmad Qorib Alwin Fau Amir Maniur Silitonga Andsyah Putera Utama Siahaan Bister Purba Cici Mulya Sari Daulay, Nur Hasanah Depika, Dwi Ayu Dikki Handoko Dito Putro Utomo Efori Buulolo Ega Yuliani Elvia Hariska Erna Verawati Ervina, Nina Fadlina Fince Tinus Waruwu Fitri Ruth Diani Br Simangunsong Fitri, Juli Guidio Leonarde Ginting Halimah Ani Harika Fitri Sinurat Hasibuan, Nelly Agustina Hikma Widayu Hotmoko Tumanggor Hutabarat, Sumiaty Imam Saputra Imam Saputra Imam Saputra Irliansyah, Muhammad Rio Joshua Feliex D. Sirait Kurnia Ulfa Maharani Maharani, Maharani Mardiana Haloho Mesran, Mesran Muhammad Syahrizal Muhammad Wirza Pratama Agatmadja Murdani Murdani, Murdani Natalia Silalahi Natalia Silalahi Natalia Silalahi, Natalia Nelly Astuti Hasibuan Nilmah Nilmah Nurdiyanto, Heri Nurma Ningsih Pane, Latifah Hanum Pane, Latifah Hanum Pramadi, Agus Adi Pratiwi, Rizka Dwi Puji Lestari Purba, Bister Putri Ramadhani Putri Ramadhani Rian Syahputra Rivalri Kristianto Hondro Rizky, Nadia Fariza Ronda Deli Sianturi S Sunaryo Saidi Ramadan Siregar Saparuddin Siregar Sari, Tetti Purnama Sari, Tetti Purnama Sianipar, Fitri Nur Indah Sari Sinta M. Panjaitan Sirait, Joshua Feliex D. Siti Nurhabibah Hutagalung Sri Wahyuni Sri Wanti Nasution Suginam Suginam Sukma Hakiki Silitonga Sunaryo, S Sutiksno, Dian Utami Syukur Novertiani Gulo Tari, Ratiya Taronisokhi Zebua Tri Handa Mirza Ulfa, Kurnia Vify Ernanda William Ramdhan Yuhandri Yuhandri, Yuhandri