Presentation virtual keybord_2

PRESENTATION ON “ VIRTUAL KEYBORD” PUSHPALATHA

INTRODUCTION ,[object Object],[object Object],[object Object],[object Object]

The microprocessor and controller circuitry of a keyboard. A look at the key matrix.

VIRTUAL KEYBOARD ,[object Object],[object Object],[object Object]

Virtual keyboard used in PDA’s The Virtual Keyboard uses light to project a full-sized computer keyboard onto almost any surface, and disappears when not in use. Used with Smart Phones and PDAs, it provides a practical way to do email, word processing and spreadsheet tasks, allowing the user to leave the laptop computer at home.

VIRTUAL KEYBOARD TECHNOLOGY ,[object Object],[object Object],[object Object],[object Object]

DIFFERENT VIRTUAL KEYBOARDS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

ADVANTAGES ,[object Object],[object Object],[object Object],[object Object]

DRAWBACKS ,[object Object],[object Object],[object Object]

APPLICATIONS ,[object Object],[object Object],[object Object],[object Object],[object Object]

CONCLUSION ,[object Object],[object Object],[object Object]

REFERENCE ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Presentation virtual keybord_2

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