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I

Interactive television

Interactive television provides the same capabilities as traditional, analogue television but is also capable of delivering highly interactive multimedia programming including games and quizzes. Interactive television can be delivered off-air (as with Freeview), by satellite or fibre-optic cable.


N

Narrated PowerPoint

See also 'PowerPoint presentation'. A narrated PowerPoint presentation is a sequence of slides created using Microsoft's PowerPoint application and augmented with a voiceover for download and playback online as stand-alone learning content. Sometimes special software is used to convert the end result into Flash format, which compresses the file size significantly.

O

Overhead projector slides

A medium for projecting still images on a screen. OHP slides can be drawn by hand using felt tip pens, produced with a photocopier or generated using a computer printer. Unlike 35mm slides, OHP slides are placed on the projector manually, one-at-a-time, but have the advantage that they can be created in real-time or revealed gradually through the removal of a mask. 

P

PDF files

PDF (Portable Document Format) is a digital format for distributing documents created using a wide variety of applications (Word, Excel, Access, Quark, etc.) without the user needing to have a copy of these applications. To view PDF files, users need a copy of Adobe's free Acrobat Reader. To create PDF files requires a full version of Acrobat.

In a learning context, PDF files are most typically used to publish Word and desktop-published documents online for learners to download and print.


Podcast

Podcasts are recordings of radio programmes, interviews or monologues, made available in MP3 or similar audio formats for playback on portable music players such as iPods or on PCs. Using news reader programs and music software such as iTunes, users can have new podcasts from selected sources automatically downloaded and copied to their portable players.

Poster

A relatively large printed sheet for display in a classroom or other public place.

PowerPoint presentation

PowerPoint is a Microsoft software application for the design and delivery of speaker-support slides. With more than 300 million users worldwide and 30 million PowerPoint presentations delivered each day, Microsoft now dominates this market. PowerPoint was originally designed for the creation of 35mm and OHP slides, but these days the slides are typically projected directly from a computer.

In an educational context, PowerPoint can be used as a means for teachers to support their classes with visual aids, and as a way for students to present the results of their projects. PowerPoint slides can also be used as stand-alone handouts and reference material.


R

Radio

Radio is a medium for delivering live or recorded audio material off-air. In a learning context, radio could be used as a means for transmitting educational programming or as a stimulus for informal learning.

Recorded telephone messages

Recorded telephone messages play back automatically when a telephone number is rung. Could be used in a learning context to provide access to any type of audio teaching material. With more sophisticated programming can also be used as a means for assessment, with pre-recorded questions answered by pressing keys on the telephone keypad.

S

Simulator

A simulator is a device used in training to reproduce the conditions of the working situation, enabling tasks to be learned and practised safely and economically. Common examples are flight and driving simulators.



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