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All Journal Jiko (Jurnal Informatika dan komputer) Jurnal Informatika Teknologi dan Sains (Jinteks)
Suwinda Aulansari
Universitas Islam Negeri Sumatera Utara
Computer Science & IT Control & Systems Engineering

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PENERAPAN KRIPTOGRAFI VIGENERE CIPHER PADA KEAMANAN DATA PESAN TEKS BERBASIS WEBSITE Suwinda Aulansari; Diah Sawitri; Ali Ikhwan
Jurnal Informatika Teknologi dan Sains Vol 4 No 4 (2022): EDISI 14
Publisher : Program Studi Informatika Universitas Teknologi Sumbawa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (248.272 KB) | DOI: 10.51401/jinteks.v4i4.2155

Abstract

Security is an urgent component of an information system. However, this is still very rarely realized by the owner or manager of the information system. That results in information being exchanged or compromised by parties who are not supposed to receive the message. Therefore, a data security system is needed so that information doesn’t crash into the wrong hands. To control data security, you can use cryptography, one of which is the vigenere cipher algorithm. This research uses a literature study research method sourced from various journals and experiments by designing and implementing systems. The final result of the application implementing the vigenere cipher algorithm is expected to help maintain the security of information.
SISTEM INFORMASI PENGAJUAN CUTI KARYAWAN PADA PT XYZ BERBASIS WEB Diah Sawitri; Suwinda Aulansari; Fathiya Hasyifah Sibarani
Jurnal Informatika Teknologi dan Sains (Jinteks) Vol 5 No 4 (2023): EDISI 18
Publisher : Program Studi Informatika Universitas Teknologi Sumbawa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51401/jinteks.v5i4.3544

Abstract

Perkembangan teknologi di masa sekarang di era yang segala sesuatu berubah begitu cepat menjadi sangat penting bagi perusahaan untuk mengikuti dan memahami kemajuan teknologi. Sistem informasi pengajuan cuti karyawan merupakan jenis penerapan teknologi informasi yang sering diimplementasikan pada suatu perusahaan. Sistem informasi pengajuan cuti karyawan dirancang agar dapat mengelola proses pengajuan, persetujuan dan pemantauan cuti karyawan pada suatu perusahaan. Proses pengajuan cuti karyawan di PT XYZ dilakukan dengan mengisi formulir yang artinya masih menggunakan cara manual. Banyak permasalahan yang timbul karena hal tersebut, seperti lamanya proses pengajuan cuti disetujui, besarnya kemungkinan proses kesalahan administrasi dan kurangnya transparansi. Tujuan dilakukan penelitian ini yaitu untuk membangun sistem informasi pengajuan cuti karyawan berbasis web. Pengembangan sistem dilakukan dengan mengaplikasikan metode Waterfall. Penelitian ini memberikan hasil yaitu sistem informasi pengajuan cuti karyawan berbasis web yang dapat membantu mengelola dan memantau pengelolaan cuti karyawan di PT XYZ dengan mengatasi permasalahan pengajuan cuti.
IMPLEMENTATION OF THE COMPLEX PROPORTIONAL ASSESSMENT METHOD IN DETERMINING THE PLACE OF INDUSTRIAL WORK PRACTICE Suwinda Aulansari; Muhammad Dedi Irawan
JIKO (Jurnal Informatika dan Komputer) Vol 7 No 2 (2024)
Publisher : Program Studi Teknik Informatika Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/jiko.v7i2.8393

Abstract

Industrial Work Practices are a form of directly applying the knowledge gained in the classroom to the industrial world or the world of work. However, in its implementation, problems exist, such as workloads that must be by majors and conditions. This research uses the COPRAS method to build a decision support system to determine the place of industrial work practice at Prama Artha Private Vocational School. This method focuses on resolving each alternative's relative weight and utility and performing complex calculations proportionally. This study used 10 alternative data for internship places as samples and five criteria: student expertise, company division, distance, number of students, and type of company. The results of this study are that the PLN UP3 Pematang Siantar alternative is ranked first with a final calculation result of 100, the USI Pematang Siantar alternative is ranked second with a final calculation result of 96.29 and continued with the Tunas Bangsa STIKOM alternative with a final calculation value of 93.01. This COPRAS ranking system is based on the weights and values given to each criterion so that objectivity and accuracy are guaranteed in determining the place of internship based on the needs and abilities of students. Based on the results of black box testing of the system, it can be concluded that the system as a whole can run according to functionality and is ready for use
Co-Authors Ali Ikhwan Diah Sawitri FATHIYA HASYIFAH SIBARANI Muhammad Dedi Irawan