Judul: Sistem Pembelajaran Serangga Berbasis Multimedia
Abstrak: Dalam pelaksanaan tugas akhir ini akan dikumpulkan infonnasi yang berkaitan dengan dunia serangga kemudian dikemas sebagai metode pendidikan bersifat multimedia. Sistem yang dibangun harus berisi informasi terkini dan memiliki kemudahan dalam penggunaannya, sehingga sistem yang dibuat nantinya dapat digolongkan kedalam jenis drill & practice dan bersifat interactive (Gagne et al. 1981 dalam Yulwanto 1998). Informasi tentang serangga umumnya tersedia dalam bentuk buku dan film. Namun dengan kemajuan ilmu komputer, banyak informasi tentang serangga dikemas dalam bentuk lain program komputer. Format ini mempunyai beberapa keunggulan karena dapat menampilkan teks, gambar dan suara. Informasi tentang serangga diperoleh dengan pengambilan langsung dari lapang dan informasi dari buku-buku tentang serangga. Informasi yang terkumpul kemudian dikemas ke dalam bentuk program komputer yang mudah digunakan, memiliki antar muka user friendly, bersifut interaktif serta informasi di dalamnya dapat diubah oleh penggunanya sehingga memungkinkan informasi dapat terus diperbaharui.
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Judul: Adaptive quiz system berbasis web (studi kasus: mata pelajaran Biologi SMU)
Abstrak: Penggunaan perangkat komputer dalam metode pembelajaran dapat meningkatkan pemahaman siswa dalam mempelajari materi. Salah satu sistem yang dikembangkan adalah modul quiz berbasis komputer. Adaptive quiz ini dikembangkan sebagai salah satu alternatif media pembelajaran bagi siswa SMU. Aplikasi ini akan memberikan latihan soal Biologi SMU dengan tingkat kesulitan tertentu yang disesuaikan dengan hasil pembelajaran siswa, yaitu soal akan bertambah sukar jika jawaban sebelumnya benar dan soal akan bertambah mudah jika jawaban sebelumnya salah. Aplikasi ini juga memberikan umpan balik yang sesuai dengan hasil pekerjaan siswa
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Judul: Enhancement of photon absorbtion on BaxSr1-xTiO3 thin films semiconductor using photonic crystals.
Abstrak: In this research, has been conducted BaxSr1-xTiO3 (BST) thin films manufacturing for mole fraction x = 0.25, 0.35, 0.45, and 0.55; and concentration of 1 molar using chemical solution depositon (CSD) method. The materials, which are used in this research, are barium acetate [Ba(CH3COO)2, 99%], strontium acetate [Sr(CH3COO)2, 99%], titanium isopropoxide [Ti(C12O4H28), 97.999%], gallium trioxide [Ga2O3], 2-methoxyethanol [H3COOCH2CH2OH, 99%] and 1 x 1 cm of transparent conductive oxide (TCO) glass as substrate. Two BST thin films are made that for BST thin films which are doped by 10% galium (BGST) as p-type layer and pure BST solution as n-type. BST solution is made by reacting barium acetate [Ba(CH3COO)2, 99%], strontium acetate [Sr(CH3COO)2, 99%] and titanium isopropoxide [Ti(C12O4H28)] into 2-methoxyethanol solvent [H3COOCH2CH2OH, 99%] in accordance with mass gram for each x value. While, BGST solution is made in the same way as BST solution, plus adding gallium at 10% of the mass of BST. Once all materials are reacted, then vibrated using ultrasonic for 90 minutes, and followed by coating BGST / BST on the TCO substrate. Once the layer is formed, then annealed for 15 hours at temperature of 500 °C with increasing rate of 1.67 oC/minute. Characterizations of BST thin films with or without photonic crystals include the absorbance and transmittance in the visible light spectrum, as well as the electrical photoconductivity characterizations. From BST thin films without photonic crystals indicate that our thin films have light absorption area on almost the entire range of the visible light spectrum even to the infrared range with absorption value over than 67.6%, in addition, it can be seen that the maximum absorbance of BST thin films for all mole fractions lie in blue to green light spectrum region, 457 nm ≤ λ ≤ 570 nm and the minimum in yellow to red light spectrum region, 570 nm ≤ λ ≤ 678 nm. The largest absorbance is found at x = 0.25 with average absorbance value of 92.04% and maximum and minimum absorbance peaks at wavelength of 500.89 and 657.72 nm, respectively. At x = 0.35, average absorbance value decreased to 83.55% with maximum and minimum peaks at 505.73 and 613.68 nm, respectively. Then increased to 91.16% at x = 0.45 with maximum and minimum peaks at 506.04 and 618.56 nm, respectively. At x = 0.55, average absorbance value decreased to 80.12% with maximum and minimum peaks at 507.85 and 608.79 nm, respectively. Moreover, it can be seen that the addition of barium mole fraction leads to wider maximum absorbance or minimum transmittance peaks and narrower minimum absorbance or maximum transmittance peaks in the same range of the green and blue & red light spectrums, respectively. BST thin films with photonic crystals show increasing in absorption for all x values in the range of 3.04 into 13.33%. At x = 0.25, average absorbance percentage increased 3.96% from 92.4 into 95.68%, for x = 0.35 average percentage increased 7.07% into 89.45 from 83.55%. Furthermore, average absorbance of BST thin films at x = 0.45 increased 3.04% from 91.16 into 93.93% and x = 0.55 has
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