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ABSTRACT: Technology is improving day by day, and playing a vital role in improving the quality of life. People with special needs like people who can't see (Blind), people who can't hear (Deaf) and people who are mentally not stable face challenges to communicate with these systems due to lack of user friendly nature of technology devices. This work focuses on the importance of building an interface for special persons who might not have the abilities of a normal person. This study was carried out to show, what kind of hardware and software support is currently available for the above mentioned disabled persons and its ease of use for them in current and past editions of Windows. At the end of this paper critical review in the current and past systems has been done. This review has highlighted the deficiencies and recommendations are suggested to overcome these deficiencies.
Key words: Accessibility, Disability, Special people, User Interface, Windows.
INTRODUCTION
If we observe last few decades the technology has grown very rapidly, this validates the law known as Moore's law about time and cost, which states that "the number of transistors that can be used inexpensively in an electronic circuit will be doubled after every two years. " In other words, technology is grasping the world like a forest fire. At present digital technology has taken over the world. Most of daily usage machines are digitized. Moreover internet has grown at such a pace which allows to keep all of information at finger tips and has made this world a global village. These are the facts which have made every person's life incomplete without this technology.
In UN's convention on the rights of persons with disabilities, it was declared that there were 650 million disabled persons in the world. Pakistan also have total of 4.22 million disable persons (UN Treaty Collection, 2010). For those persons with disabilities, conventional computing devices are difficult and in some cases impossible to use.
This paper is about the utility and importance of computing in current and coming era and if you are somewhat incapable to use it due to any disability your survival within race will almost gets over. To overcome the problem of disabilities of usage computer operating...