Presentation on audio visual aids, their introduction. their types.

Presenttion

1. Topic : Audio visual and Name: Rabia Ghafoor (2021_102) Subject: Technical writing and presentation skills Submitted to: Dr. Bazgha Moin qazi BS Elementary Education 6th Morning

2. Introduction…..what Are audio visual aids Audio visual aids comprises of three words audio visual and audio visual aids Audio Visual aids plays an important role in making the teaching and learning process (formal or non formal)more interesting, effective and permanent. Audio Visual materials can help bringing the world into classroom.Audio Visual aids provide powerful force in the learning process.

3. Audio Aids : Instructional device through which message can be heard but not seen Ex: Radio, Tape Recorder, CD players etc Visual Aids: Instructional device through which message can be seen but not heard Ex: Posters Flashcards, charts. Audio Visual Aids: Instructional device through which message can be heard as well seen Ex: Television

4. Types Of Visual aids Visual aids are broadly classified into two main categories. Projected visual aids. Non-Projected visual aids

5. Projected visual aids . A projected aid is one in which item to be observed are projected on a screen using mechanical devices. The various projective aids are… Slide projector Microfilm projector Overhead projector

6. SLIDE PROJECTOR A small piece of transparent material on which a single pictorial image or graphic image is placed

7. MICROFLIM PROJECTOR Microfilm contains photographed reading materials When the microfilm is passed through a microfilm reader then an enlarged image is formed on the screen and the observer can read all the matter

8. OVERHEAD PROJECTOR Over head projector is a device for projecting a matter which is written or drawn on a transparent sheet of acetate on to a screen. It is very simple and easy.

9. NON-PROJECTED VISUAL AIDS There are various non projected visual aids some of these commonly used aids are... 1) Charts 2) Flash cards 3) Posters 4) Models 5) Photographs /pictures

10. Charts Chart is defined as a visual aid which depicts pictorial and written key information in systematic way to summarize, compare, etc.

11. Flash cards Flash cards are a set of pictured paper cards of varying sizes that are flashed one by one in a logical sequence.

12. POSTERS Poster is a pictorial representation of an idea or concept in striking bold colors to attract the viewer. Posters are usually displayed out in open for the purpose of awareness in general public.

13. Models If the topic that we need to explain is quite difficult to apprehend...we prepare a model.