Question

you select any one device for sound communication other than independent oral or printed communication and explain its working with the help of diagram​

Answer 1

Answer:

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==>> Types of Communication Aids

• Communication aids come in many shapes and sizes. Most need to be customised to match the physical, intellectual and social needs of the individual (see NECAS for more information). This includes personalising the vocabulary and content and considering issues such as how the person will carry the aid, point to items, and update and maintain the aid.

===>> There are 4 different types of communication aids:

Comprehensive Expressive Aids:

These aids aim to meet most of a person’s communication needs throughout their day. They include alphabet boards and communication boards and books, with a wide range of messages represented by letters, words, photos and/or symbols.

Targeted Expressive Aids:

These aids are designed for specific situations when limited message sets are needed, such as community request cards, or object symbols to allow a person to make basic requests.

Visual Supports:

Visual supports assist a person to make sense of their day, remember events, or help with the completion of tasks. Many people with complex communication needs have difficulty with memory and understanding abstract information. Examples of visual supports are picture or object calendars, picture shopping lists, and picture social stories.

Supports for Communication Partners:

These provide details about an individual with complex communication needs, his/her means of communication, and other routine related information that assist a communication partner to consistently support this person throughout the day. Examples are a ‘Book About Me’, Personal Communication Dictionary or Personal History.

Answer 2

Answer:

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Explanation:

Ques 6 : Write a note on distribution of electric energy for household purposes. Make a household circuit that shows current coming from a pole to your room and explain role of earth wire, socket, switch and fuse as well. You can take help of various  books/magazine/ Internet as well as your Science & Technology despatch-1.

Ans:

Power distribution in a house

Electric power distribution is the final stage in the delivery of electric power; it carries electricity from the transmission system to individual consumers. ... Connections are then made to the distribution board through the main fuse and the main switch; it is a double pole switch.