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Sakaria Efrata Ginting
Information Systems Study Program, Sekolah Tinggi Ilmu Komputer Medan, Indonesia
Computer Science & IT Decision Sciences, Operations Research & Management

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Implementation of Data Based Record Security using The Luc Method Sakaria Efrata Ginting; Hery Sunandar; Zekson Arizona Matondang
Login : Jurnal Teknologi Komputer Vol. 13 No. 2 (2019): Login : Jurnal Teknologi Komputer, Edition Desember 2019
Publisher : Sean Institute

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Cryptography is defined as the study of how to hide messages so that they cannot be read by those who are not blessed. Security in cryptography has become a very important aspect of an information system. Security problems often get less attention from designers and processors. Cryptography applications can be used to secure data. Therefore, database record users need help to meet the security needs of data stored in a Database Record or database. Records are the contents or data of managed tables that are interrelated and various data are stored in the table and cannot be manipulated. One of the safest methods for the above purposes is to use the Luc safety technique. Luc is a public cryptographic algorithm that uses a set of prime numbers to generate public and private keys. In this research, we will try to implement a mathematical science called cryptography. With the existence of cryptography which includes the encryption and decryption process, messages, data, and information can be coded so that unauthorized people cannot read the information and return it to its original state, other than people who do not know the key to decrypt it.
Comparison of Breadth First Search (BFS) and Depth-First Search (DFS) Methods on File Search in Structure Directory Windows Sakaria Efrata Ginting; Abdul Sani Sembiring
Login : Jurnal Teknologi Komputer Vol. 13 No. 1 (2019): Login : Jurnal Teknologi Komputer, Edition June 2019
Publisher : Sean Institute

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Documents of any kind are of course stored by a certain method, with the hope that if in the future the data/documents contained in them are needed then simply searching, the desired data will be obtained quickly. However, the more documents that are stored, the search time will also increase, coupled with incorrect search results. This is due to the large number of documents that must be selected and examined for their relevance to the subject being sought. Breadth First Search (BFS) and Depth-First Search (DFS) is a technique used to search for data in a particular file in a file. With this searching technique, if you want to find one of the data from a lot of data manually, it will take a very long time, but using the Breadth First Search (BFS) and Depth-First Search (DFS) methods, the search will be more fast.
Prediction of Sparepart Sales Level using Exponential Smoothing Method Sakaria Efrata Ginting; Alex Rikki
Login : Jurnal Teknologi Komputer Vol. 12 No. 2 (2018): Login : Jurnal Teknologi Komputer, Edition Desember 2018
Publisher : Sean Institute

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Prediction of spare parts is very important to do, in order to ensure the availability of stock when there is a lot of demand. In predicting spare parts, accurate calculations are needed, for that we need the Exponential Smoothing method, where the process of this method is carried out in several stages of testing the previous data to get the right value. The results obtained will be a recommendation for the following year how much inventory of spare parts is needed.
Co-Authors Alex Rikki Sinaga Hery Sunandar Sembiring, Abdul Sani Zekson Arizona Matondang