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All Journal Seminar Nasional Aplikasi Teknologi Informasi (SNATI) Jurnal Ilmu Komputer dan Informasi
Benny Hardjono
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Computer Science & IT Library & Information Science

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Multiple Choice Computer-Based Test with Feedback, using Random Number Generator Benny Hardjono
Seminar Nasional Aplikasi Teknologi Informasi (SNATI) 2004
Publisher : Jurusan Teknik Informatika, Fakultas Teknologi Industri, Universitas Islam Indonesia

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Abstract

Pelajar perlu mengerti dan pendidik perlu mengetahui apakah mereka telahmengajarkan pengetahuan mereka dengan baik, keduanya memerlukan umpan balik.Computer Based Test (CBT) membantu untuk mempercepat pemenuhan kebutuhan umpanbalik ini. Beberapa sertifikat profesional juga telah menggunakan CBT, dengan pertanyaanpilihan ganda. Tetapi cara CBT seperti ini, di dalam lab. komputer yang tempat duduknyasangat berdekatan, memberi peluang atau bahkan mengundang orang untuk menyontek.Salah satu cara untuk mengatasi masalah ini adalah penggunaan randomisasi untuk urutansoal yang muncul dan randomisasi untuk letak pilihan jawaban ganda. Di dalam penelitianini, Linear Congruential Generator (LCG), suatu fitur randomisasi yang terdapat di dalamVisual Basic (MS VB), digunakan untuk membuat aplikasi CBT yang dibutuhkan. Dua jenisaplikasi VB yang dibuat, berbasiskan data MS Access atau MS SQL, telah berhasil diuji cobadi Lab. Komputer UPH oleh lebih dari 200 orang mahasiswa, dalam kelompok-kelompoksecara paralel (oleh 50 mahasiswa atau kurang untuk subyek seperti: Interaksi ManusiaKomputer, Komunikasi Data dan Ujian saring Asisten Lab. Komputer. Tiga tipe hak aksesdisediakan: administrator, dosen dan mahasiswa. Seusai CBT, pengguna langsung dapatmelihat nilainya, di samping ini, dosen pengampu mata kuliah dapat melihat informasi yangberguna, seperti: pertanyaan mana saja yang dijawab salah untuk setiap penggunapertanyaanmana saja dijawab salah oleh semua pengguna dan sebaliknya, nilai rata-ratakelas, waktu untuk menyelesaikan CBT, data login-logout, nama komputer, serta IP-nya.Fitur umpan balik lain pada versi akses dosen adalah, kemampuan CBT untuk memberikanpesan kepada setiap mahasiswa, saat CBT sedang berlangsung. Selain CBT meningkatkanpersentase pemakaian jaringan komputer, juga telah berhasil dibuktikan bahwa cara yangdipakai untuk menghasilkan urutan soal dan letak pilihan jawaban secara acak tidakmengganggu pemakai CBT.Keywords: random, computer based test, education
THE PAR (PEER ASSESSMENT RATING) CALCULATION ON 2 DIMENSIONAL TEETH MODEL IMAGE FOR THE CENTERLINE COMPONENT AND TEETH SEGMENTATION ON THE OCCLUSAL SURFACE TEETH MODEL IMAGE Hanif Arief Wisesa; Ratna Rustamadji; Miesje Karmiati Purwanegara; Benny Hardjono
Jurnal Ilmu Komputer dan Informasi Vol 7, No 2 (2014): Jurnal Ilmu Komputer dan Informasi (Journal of Computer Science and Information)
Publisher : Faculty of Computer Science - Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (600.339 KB) | DOI: 10.21609/jiki.v7i2.259

Abstract

Abstract The PAR (Peer Assessment Rating) Index is used by orthodontists around the world to calculate the severeness of a malocclusion. A malocclusion is a dental disease where the teeth are not properly aligned. In Indonesia, the number of malocclusion is relatively high. The occurrence of orthodontics who can treat malocclusion is also low in Indonesia. In 2013, a research is done to create the telehealth monitoring system to provide better treatment of malocclusion in Indonesia. The research is further improved by using different Adaptive Multiple Thresholding methods to segmentate the image. The result will be used to calculate the Centerline component of the PAR Index. The result is a system that could calculate the PAR Index automatically and is compared to the results using manual method.
COMPARATIVE STUDY OF RTOS AND PRIMITIVE INTERRUPT IN EMBEDDED SYSTEM Dwi Purnomo; Machmud R Alhamidi; Grafika Jati; Novian Habibie; Benny Hardjono; Ari Wibisono
Jurnal Ilmu Komputer dan Informasi Vol 8, No 1 (2015): Jurnal Ilmu Komputer dan Informasi (Journal of Computer Science and Information)
Publisher : Faculty of Computer Science - Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (486.332 KB) | DOI: 10.21609/jiki.v8i1.282

Abstract

Multitasking is one of the most challenging issues in the automation industry which is highly depended on the embedded system. There are two methods to perform multitasking in embedded system: RTOS and primitive interrupt. The main purpose of this research is to compare the performance of R¬TOS with primitive method while concurrently undertaking multiple tasks. The system, which is able to perform various tasks, has been built to evaluate the performance of both methods. There are four tasks introduced in the system: servo task, sensor task, LED task, and LCD task. The performance of each method is indicated by the success rate of the sensor task detection. Sensor task detection will be compared with the true value which is calculated and measured manually during observation time. Observation time was varied after several iterations and the data of the iteration are recorded for both RTOS and primitive interrupt methods. The results of the conducted experiments have shown that, RTOS is more accurate than interrupt method. However, the data variance of the primitive interrupt method is narrower than RTOS. Therefore, to choose a better method, an optimization is needed to be done and each product has its own standard.
PEER ASSESSMENT RATING (PAR) INDEX CALCULATION ON 2D DENTAL MODEL IMAGE FOR OVER JET, OPEN BITE, AND TEETH SEGMENTATION ON OCCLUSION SURFACE Muhammad Febrian Rachmadi; Ratna Rustamadji; Miesje Karmiati Purwanegara; sani Muhammad Isa; Benny Hardjono
Jurnal Ilmu Komputer dan Informasi Vol 7, No 1 (2014): Jurnal Ilmu Komputer dan Informasi (Journal of Computer Science and Information)
Publisher : Faculty of Computer Science - Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1186.131 KB) | DOI: 10.21609/jiki.v7i1.256

Abstract

Abstract Malocclusion is a clinical symptom, in which the teeth of maxilla and mandible are not located at the proper location. If malocclusion left untreated, it can lead to complications in the digestive system, headache, and periodontal disease disorders. Malocclusion problems involving abnormalities of teeth, bones, and muscles around the jaw are obligation of orthodontic specialists to treat them. The treatments can be varying based on the type of malocclusion, including tooth extraction and tooth braces. To know certain degree of malocclusion experienced by the patient, an assessment method called Peer Assessment Rating (PAR) Index is usually used by the specialist. To help the works of orthodontic specialists in Indonesia, a new automated calculation system based on 2D image of tooth model for PAR Index is being developed. In this paper, the calculation system for over-jet, open-bite, and teeth segmentation is developed. The result of the developed system is then compared with manual assessment done by orthodontic specialist, in order to verify the accuracy of the system.
Co-Authors Ari Wibisono Ari Wibisono Dwi Purnomo Grafika Jati Hanif Arief Wisesa Machmud R Alhamidi Miesje Karmiati Purwanegara Muhammad Febrian Rachmadi Novian Habibie Ratna Rustamadji Sani Muhammad Isa Sani Muhammad Isa