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This study was aimed at investigating the use of Video Blogging (Vlog) as an appropriate media for teaching English. The study used qualitative case study as a tool to collect and analyze the data. Thirteen general high school students were chosen as the participants of this study. The data was collected through CAC questionnaire model as proposed by Schiffma & Kanuk (2004). The data from questionnaire demonstrated that the students showed positive response toward the use of Vlog in teaching English, since the overall mean of the students’ response (3.90) is higher than the neutral score (3.00). Most students felt that the use of Vlog lead to produce a good performance in an English class.

Sistem antrian satu server (M/M/1) adalah sistem antrian sederhana dimanalabel pertama menyatakan dengan pola kedatangan, label kedua menyatakan tingkatpelayanan dan angka 1 menotasikan jumlah server yang ada di dalam sistem antrian.Sistem antrian satu server (M/M/1) mempunyai ciri pola kedatangan berdistribusi Poisson sedangkan waktu antar kedatangannya berdistribusi eksponensial dan pola kepergian berdistribusi Poisson dan tingkat pelayanannya berdistribusi eksponensial. Ukuran keefektifan dari sistem antrian satu server dapat dinilai dari kategori nilai harapanbanyaknya customer dalam sistem, nilai harapan banyaknya customer dalam antrian,nilai harapan waktu tunggu customer dalam sistem dan nilai harapan waktu tunggucustomer dalam antrian.

The economical, political, business and social challenges faced by the world today demand the 21st century skill-integrated as the main aspect that must be mastered by every child nowadays. This paper explores some important aspects related to integrating the 21 century skill into EYL class. Included in the discussion of this essay are the framework of 21st century skill, the 21st century curriculum, and designing appropriate syllabus for 21st century education suitable for EYL classroom, such as project-based syllabus and theme-based syllabus. This paper also describes several ICT media tool that can be used to promote our children 21st century skill, such as cartoon story maker (computer software) and kidblog (online blogging).