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PIKSEL : Penelitian Ilmu Komputer Sistem Embedded and Logic
Published by Universitas Islam 45 Bekasi
ISSN : 23033304     EISSN : 26203553     DOI : https://doi.org/10.33558/piksel
Core Subject : Science,
Computer Science & IT Decision Sciences, Operations Research & Management
Jurnal PIKSEL diterbitkan oleh Universitas Islam 45 Bekasi untuk mewadahi hasil penelitian di bidang komputer dan informatika. Jurnal ini pertama kali diterbitkan pada tahun 2013 dengan masa terbit 2 kali dalam setahun yaitu pada bulan Januari dan September. Mulai tahun 2014, Jurnal PIKSEL mengalami perubahan masa terbit yaitu setiap bulan Maret dan September namun tetap open access tanpa biaya publikasi. p-ISSN: 2303-3304, e-ISSN: 2620-3553. Available Online Since 2018.
Arjuna Subject : Ilmu Komputer (semua kategori) - Ilmu Komputer (Lain-Lain)
Articles 9 Documents
 1 
Search results for , issue "Vol 8 No 1 (2020): Maret 2020" : 9 Documents clear
Raw Material Usage and Process Order Module Development using SAP: A Case Study from General Packaging Manufacturer Richard, Richard; Setiawan, Julius Raymond; Surya, Mahenda Metta
PIKSEL : Penelitian Ilmu Komputer Sistem Embedded and Logic Vol 8 No 1 (2020): Maret 2020
Publisher : LPPM Universitas Islam 45 Bekasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/piksel.v8i1.2014

Abstract

ERP systems widely used in manufacturing companies, as manufacturing order and costing become a key component in the core business process. In order to increase the management effectiveness in the company, raw material usage in the manufacturing process becomes essential data to be discovered by the company, as the production cost derived from the usage of the raw material itself. SAP ERP can be customized and tailored to meets the business process needs as the leading software company in providing end-to-end ERP Systems. This research uses the UML diagram in the module design process, and the module application itself built under the SAP environment. With the outcome of ERP system module design from this research, the company could discover manufacturing process efficiencies by utilizing a set of system modules.
Online Expedition Services System for Customer at XYZ Ltd. Dina, Nasa Zata; Sabilla, Wilda Imama; Handoyo, Irvandy
PIKSEL : Penelitian Ilmu Komputer Sistem Embedded and Logic Vol 8 No 1 (2020): Maret 2020
Publisher : LPPM Universitas Islam 45 Bekasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/piksel.v8i1.2015

Abstract

XYZ Ltd. is an expedition company that uses container ships and container trucks as transportation modes. There are three business process transactions that are carried out by the company, i.e. customer registration, ordering expedition services, and payment expedition services. Currently, all business process transactions are carried out manually, so process automation is needed in order for the business processes to run more effectively and efficiently. For this purpose, an Online Expedition Services Customer Service Information System was proposed to be built. This system consists of three main processes, namely the customer registration process, the customer order process, and the payment process and report generation. XYZ Ltd. Customer Service Information System was built following the waterfall development model. The stages of system development consist of five stages, namely planning, requirements analysis, database, and interface design, implementation of program code writing and testing and system maintenance. In implementing and testing the system, whole system requirements have been checked; the three main business processes in the proposed online system were running precisely, effectively and efficiently.
Consumer Satisfaction of Sorabel Applications Using the Delone and Mclean Method Dari, Wulan; Prahartiwi, Lusa Indah
PIKSEL : Penelitian Ilmu Komputer Sistem Embedded and Logic Vol 8 No 1 (2020): Maret 2020
Publisher : LPPM Universitas Islam 45 Bekasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/piksel.v8i1.2016

Abstract

The rapid development of information technology influences on all fields of the economy. One form of the development of information technology is about how consumers shop through online stores. Researchers need to do this research because nowadays there are many online stores that have developed in Indonesia. Researchers want to know how much influence the quality of information and service quality on customer satisfaction and make a positive contribution and make continuous purchases at the online store. This study uses the Delone and Mclean methods and with AMOS software. The purpose of this study is to analyze a number of hypotheses, which are: H1: System Quality has a positive effect on Use; H2: Use has a positive impact on net benefits; H3: System Quality has a positive impact on User Satisfaction; H4: User Satisfaction has a positive effect on Use; H5: Information Quality has a positive effect on Use; H6: Information Quality has a positive effect on User Satisfaction; H7: User Satisfaction has a positive effect on Net benefits; H8: System Quality has a positive effect on Information Quality; H9: Information Quality has a positive effect on System Quality. The test results can be seen that Quality System has a positive effect on User Satisfaction, this can be seen from the estimated value of 0.529, User Satisfaction has a positive effect on the Net benefits that can be seen from the estimated value of 1,146, and User Satisfaction has a positive effect on Use with an estimated value of 1,352. From the test results with the final research model that supports the hypothesis (H0) said that there is a relationship between variables with the level of satisfaction of the Sorabel Application to the Sorabel Application user as a medium for online purchases
Parallel Computation in Uncompressed Digital Images Using Computer Unified Device Architecture and Open Computing Language Koprawi, Muhammad
PIKSEL : Penelitian Ilmu Komputer Sistem Embedded and Logic Vol 8 No 1 (2020): Maret 2020
Publisher : LPPM Universitas Islam 45 Bekasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/piksel.v8i1.2017

Abstract

In general, a computer program will execute instructions serially. These instructions will be run on the CPU or referred to as serial computing. But when computing is run in large numbers, the time required by serial computing becomes very long. Therefore, we need another computation that can streamline data processing time such as parallel computing. Parallel computing can be done on GPUs (Graphical Processing Units) that are run with the help of toolkits such as CUDA (Computer Unified Device Architecture) and OpenCL (Open Computing Language). CUDA can only be run on NVIDIA graphics cards, while OpenCL can be run on all types of graphics cards. This research will compare the performance of parallel computing time between CUDA and OpenCL tested on uncompressed digital images. The digital image tested has several different sizes. The results of the study are expected to be a reference for digital image processing methods.
Logistic Model Tree and Decision Tree J48 Algorithms for Predicting the Length of Study Period Maulana, Mohamad Firman; Defriani, Meriska
PIKSEL : Penelitian Ilmu Komputer Sistem Embedded and Logic Vol 8 No 1 (2020): Maret 2020
Publisher : LPPM Universitas Islam 45 Bekasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/piksel.v8i1.2018

Abstract

One point to be assessed in the accreditation process in an institution is the length of the student's study period. The Informatics department in XYZ college has been accredited by the national accreditation bureau for higher education (BAN-PT), but the accreditation has the potential to be improved. One thing that affects the accreditation value is many students did not graduate on time. Therefore, the current study used available student data, both academic and non-academic, using data mining. Two model classifications were used, i.e. Logistic Model Tree (LMT) and Decision Tree J48. The study was aimed to compare LMT and Decision Tree J48 algorithm in predicting the length of student’s study and to find out the influence factors. The data were Informatics Engineering students who have graduated in February 2018 to February 2019 (135 records). Results showed that the LMT algorithm produced an accuracy rate of 71% better than Decision Tree J48 (62.8% accuracy) in predicting the length of the student’s study. The factors influencing the length of study of students are temporary grade point average (GPA) of the first semester, temporary GPA of the second semester, organizational status, and employment status.
Securing Web Application by Embedded Firewall at Gytech Indosantara Mandiri Ltd. Yusup, Muhammad; Maisyaroh, Maisyaroh; Septiana, Laila
PIKSEL : Penelitian Ilmu Komputer Sistem Embedded and Logic Vol 8 No 1 (2020): Maret 2020
Publisher : LPPM Universitas Islam 45 Bekasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/piksel.v8i1.2019

Abstract

Gytech Indosantara Mandiri Ltd. in the last few years experienced many Cybercrime attacks on the Web Server which caused many moral and material losses. Therefore, it is necessary to consider ways to fight and prevent attacks on the webserver. One way to fight and prevent attacks is to use the Attack Signatures method by using ModSecurity and fail2ban as a Web Application Firewall (WAF). ModSecurity is used to detect and prevent the occurrence of Cyber Crime in the Http and https services. Whereas Fail2ban is used to prevent Bruteforce attacks on ssh, FTP and telnet services. Modesecurity, which acts as a Web Application Firewall (WAF) will send logs to Fail2ban when exploits occur on the Web Server. Meanwhile, Fail2ban will block the Attacker's IP address so that both can be used as a Web Application Firewall or can be used as layer 7 network security.
The Simulation of Heat Propagation Rate in Smart Roasting Process Using Finite Difference Method Sari, Rafika; Lubis, Nuraina Fika; Fitriyani, Aida; Mayadi, Mayadi
PIKSEL : Penelitian Ilmu Komputer Sistem Embedded and Logic Vol 8 No 1 (2020): Maret 2020
Publisher : LPPM Universitas Islam 45 Bekasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/piksel.v8i1.2020

Abstract

In the industrial 4.0 era, there have been many developments in daily equipment that have been transformed into more sophisticated tools both in terms of how they are used, the efficiency of their work and the quality of the results obtained due to the digitization process that is easily accessed by many people. Therefore, As the early step, the paper discusses the computational modeling in the automatic cooking methods, namely the smart roaster system. The cooking method in the form of granules by using a roasting process, which generally utilizes heated sand, is interesting to learn since there are two mechanisms of heat propagation from the pan to the food object, namely the mechanism of heat propagation by conduction and radiation, but in this study, the heat propagation due to temporary convection was ignored. The first mechanism is accommodated by Fourier's Law, while the second is by Stefan-Boltzmann's Law. For simplification, the system is discussed in one dimension with the same grain size, but the object can have a different size. The composition of the pan walls, grains of sand, empty space, and food objects can be randomized so that various configurations can be created. Discussed how the process of heat propagation can occur in the roasting process and also radiation to the surrounding space on the top of the sand surface. The numerical analysis method is used with the finite difference method and the Matlab programming language for simulation.
COVID-19 Spread Pattern Using Support Vector Regression Herlawati, Herlawati
PIKSEL : Penelitian Ilmu Komputer Sistem Embedded and Logic Vol 8 No 1 (2020): Maret 2020
Publisher : LPPM Universitas Islam 45 Bekasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/piksel.v8i1.2024

Abstract

Pandemics are rare and happen in about 100 years period. Current pandemic, COVID-19, occurs in the industrial 4.0 era where there is a rapid development computation. Yet, the scientists in every country face difficulty in predicting the growth simulation of this pandemic. The paper tries to use a soft computing algorithm to predict the pattern of the COVID-19 pandemic in Indonesia. Support Vector Regression was used in Google Interactive Notebook with some kernels for comparison, i.e. radial basis function, linear and polynomial. The testing results showed that radial basis function outperformed other kernels as a regressor with some parameters should follows the real condition, i.e. gamma, c, and epsilon.
COVID-19 Spread Pattern Using Support Vector Regression Herlawati, Herlawati
PIKSEL : Penelitian Ilmu Komputer Sistem Embedded and Logic Vol 8 No 1 (2020): Maret 2020
Publisher : LPPM Universitas Islam 45 Bekasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/piksel.v8i1.2024

Abstract

Pandemics are rare and happen in about 100 years period. Current pandemic, COVID-19, occurs in the industrial 4.0 era where there is a rapid development computation. Yet, the scientists in every country face difficulty in predicting the growth simulation of this pandemic. The paper tries to use a soft computing algorithm to predict the pattern of the COVID-19 pandemic in Indonesia. Support Vector Regression was used in Google Interactive Notebook with some kernels for comparison, i.e. radial basis function, linear and polynomial. The testing results showed that radial basis function outperformed other kernels as a regressor with some parameters should follows the real condition, i.e. gamma, c, and epsilon.

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