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All Journal Nusantara Hasana Journal Jurnal Informatika Progres
Samsuriah
STMIK Profesional Makassar
Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Economics, Econometrics & Finance Education Nursing

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SISTEM PENDUKUNG KEPUTUSAN DALAM MENENTUKAN TINGKAT KEPUASAN PELANGGAN TERHADAP PELAYANAN PADA CAFE ALGO MAKASSAR Supriadi; Kurnia Yahya; Samsuriah
PROGRESS Vol 14 No 2 (2022): September
Publisher : P3M STMIK Profesional Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56708/progres.v14i2.341

Abstract

Decision Support Systems can be defined as information systems and analytical models designed to determine decision makers to get better information. By utilizing this SPK, it is believed that it will really help dynamics in overcoming problems to determine the level of customer satisfaction with Cafe Algo services. The SPK method in this study uses SAW, this method is used to determine the weight of the criteria for attributes, in the positioning system. it will create the best option with absolutely precise calculations. The alternative is customers assessing service quality based on predetermined standards. The final result of this calculation concludes that in general, the average customer is satisfied with the service quality of Cafe Algo.
PENERAPAN KRIPTOGRAFI CAESAR CIPHER PADA FITUR PESAN TEKS Samsuriah; Ida
Nusantara Hasana Journal Vol. 2 No. 9 (2023): Nusantara Hasana Journal, February 2023
Publisher : Yayasan Nusantara Hasana Berdikari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59003/nhj.v2i9.813

Abstract

The progress of communication in the era of technological development where applications and communication support in various ways are increasingly sophisticated indicates that more and more people need access and relationships in every existing communication. Therefore, data or information security is needed to maintain confidentiality. One way to secure data or information is with Cryptology. Cryptography is the study of posting security (confidentiality), cryptographic algorithm techniques consisting of substitution and transposition techniques. Cryptographic methods or techniques can be trusted to deal with data or information security problems, because apart from using computer programming languages, cryptography also uses mathematical formulas, ranging from simple formulas to complex formulas. From the results of the study it can be concluded that with the formula used in the Caesar Cipher cryptographic method, it can be said that even though the Caesar Cipher is difficult to solve, it can be easily solved using mathematical formulas and using a programming language to obtain encryption and decryption results.
Co-Authors Kurnia Yahya Supriadi