NIHAYATUS SAADAH
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Implementasi Model Experiential Learning Pada Materi Kelipatan Persekutuan Terkecil dan Faktor Persekutuan Terbesar Kelas IV Rodliyah, Iesyah; Saraswati, Sari; Saadah, Nihayatus
Jurnal Gantang Vol 3 No 2 (2018): September
Publisher : Program Studi Pendidikan Matematika, Fakultas Keguruan dan Ilmu Pendidikan Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (639.462 KB) | DOI: 10.31629/jg.v3i2.601

Abstract

Artikel ini adalah bagian dari penelitian besar pada pengembangan perangkat pembelajaran dengan strategi experiential learning berbasis game. Penelitian ini bertujuan untuk mendeskripsikan pelaksanaan strategi experiential learning pada materi KPK dan FPB di kelas IV. Model pembelajaran experiential learning ini dibuat dalam sebuah permainan yang dinamakan dengan Joyfull Clap Number untuk materi Kelipatan Persekutuan Terkecil (KPK) dan Magic Bag untuk materi Faktor Persekutuan Terbesar (FPB). Metode penelitian yang digunakan adalah kualitatif dengan model 4D yang kepanjangan dari define (pendefinisian), design (perancangan), develop (pengembangan) dan disseminate (penyebaran). Penelitian ini fokus pada deskripsi hasil disseminate. Teknik pengumpulan data diperoleh melalui lembar kerja siswa, observasi, rekaman video dan catatan lapangan. Teknis analisis data dilakukan dengan mengungkap data hasil rekaman video yang diperoleh selama penelitian selanjutnya dianalisa dan dikaitkan dengan teori yang digunakan. Subjek penelitian ini adalah siswa kelas IV SD di MI Makarimul Akhlaq dan MI Al Asy’ari. Hasil penelitian menunjukkan bahwa siswa dapat membentuk konsep dasar KPK dan FPB melalui strategi experiential learning selama proses pembelajaran. Kata kunci: implementasi pembelajaran; experiential learning; KPK; FPB This article is part of a large development research with experiential learning using a game-based strategy. The aim of this research is to describe experiential learning on mathematics in LCM and GCD material for students of grade IV. Experiential learning was designed through a game which is called Joyfull Clap Number for Least Common Multiple (LCM) and Magic Bag for Greatest Common Divisor (GCD). The method was qualiative research using 4D model consisting of define, design, develop and disseminate. This research focused on the result of disseminate. Data were collected by spreading worksheet, conducting observation, video recording, and taking notes. Data were analized by expressing the video result during conducting experiential learning then analyzing and correlating the data with theory. The subject in this research were students in grade IV from MI Makarimul Akhlaq and MI Al Asy’ari. The result shows that students can construct the concept of LCM dan GCD. Keywords: learning implementation; experiential learning; LCM; GCD
Trusted Data Transmission Using Data Scrambling Security Method with Asymmetric Key Algorithm for Synchronization Saadah, Nihayatus; Astawa, I Gede Puja; Sudarsono, Amang
EMITTER International Journal of Engineering Technology Vol 6, No 2 (2018)
Publisher : Politeknik Elektronika Negeri Surabaya (PENS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (804.766 KB) | DOI: 10.24003/emitter.v6i2.267

Abstract

Security is a major concern of the internet world because the development of the Internet requires the security of data transmission. The security method helps us to store valuable information and send it over an insecure network so that it can not be read by anyone except the intended recipient. Security algorithm uses data randomization method. This method of data information randomization has a low computation time with a large number of bits when compared to other encryption algorithms. In general, the encryption algorithm is used to encrypt data information, but in this research the encryption algorithm is used for synchronization between the sender and the intended recipient. Number of bits on asymmetric key algorithm for synchronization are the 64-bits, 512-bits and 1024-bits. We will prove that security methods can secure data sent with low computational time with large number of bits. In the result will be shown the value of computing time with variable number of bits sent. When data are sent by 50 bytes, encryption time required 2 ms using 1024 bits for synchronization technique asymmetric key algorithm.