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The Student’s Errors in Mathematical Problem Solving Based on NEA Judging from the Self Efficacy on Learning CORE Cahyani, Hesti; Suyitno, Hardi; Junaidi, Iwan
Unnes Journal of Mathematics Education Research Vol 9 No 1 (2020): June 2020
Publisher : Universitas Negeri Semarang

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Abstract

The purpose of this study were (1) to describe the quality of learning with models CORE of the errors made by students in solving mathematical problems and (2) to describe the students' errors in solving math problems by NEA in terms of self-efficacy categories of high, medium, low on the model of CORE. This study uses concurrent design embeddes. The population in this study was all students of class VIII SMP Negeri 1 Kalikajar, Wonosobo. Data collected through the data collection of quantitative and qualitative data collection. The results showed that (1) the quality of learning through CORE model of good category, and (2) the student category higher self-efficacy has a pattern of phase transformation and encoding errors. Student’s category of self-efficacy was a pattern transformation phase error, process skills and encoding. Student self-efficacy lower category still make errors at this stage of reading, transformation, process skills, and encoding, but there is increased when writing down all the stages in detail.
Implementation of a Computer Network Monitoring System Using Icinga Linux-Based Ubuntu Server at SMA N 1 Bengkulu Tengah Junaidi, Iwan; Wahyudi , Jusuf; Rohmawan , Eko Prasetiyo
Jurnal Komputer, Informasi dan Teknologi Vol. 2 No. 2 (2022): Desember
Publisher : Penerbit Jurnal Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53697/jkomitek.v2i2.1047

Abstract

One of the network monitoring applications is using Icinga with the Linux Ubuntu server operating system. Icinga is a Linux application or tool that can be used to monitor computer networks. Monitoring computer networks using Icinga can monitor data traffic, network traffic and errors that occur on the network. Monitoring traffic and traffic on the network is displayed in graphical form, making it easier to do the analysis. Meanwhile, in monitoring the errors that occur on the network, they are grouped based on the client and service, so it is easy to see which error occurred from the client and what service was used. In operating the network monitoring system with Icinga using the Linux Ubuntu server operating system, the use of computer resources is very small, which is less than 20%.