this study sought to investigate the impact of teaching speech acts and role relations through authentic audio-taped and video-taped materials on the level of iranian efl learners’ pragmatic competence. to this end, 55 intermediate learners were ed and randomly assigned to two experimental groups: the audio-taped group and the video-taped group. during the treatment, the audio-taped group recei...

In the past, large external filters and shielded cables were the accepted ways to address EMI/EMC (electromagnetic interference or electromagnetic compatibility) in audio/video products. These methods added cost, adversely affected performance, and increased the size of the end product. As these products have decreased in size and evolved into the modern audio/video players, the solutions have ...

objective: different educational tools are now commonly used in universities worldwide such as illustrations, audio and videotapes, etc. this study aimed to compare the efficacy of educational film and clinical demonstration for instruction of fiber-reinforced composite (frc) post restorations to dental students in department of restorative dentistry.   methods: this interventional study was co...

discussions low-bandwidth, internet-based telemedicine is effective and inexpensive. surgeons living in remote areas, distant countries and especially those with limited resources , can follow the videoscopic courses, meetings, and live surgeries organized by experienced centers, on their computer screen, in real-time and interactively. results surgeon applicants who have a computer and basic i...

family of video and audio adapters was to provide the hardware support necessary to allow the integration of broadcast video into workstations. The three primary objectives were as follows: (1) digitized video data should be treated the same as any other data type in the system; (2) the video and the graphics subsystem designs should be completely independent of each other; and (3) any hardware...

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