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Answer:
Accessibility in the sense considered here refers to the design of products, devices, services, vehicles, or environments so as to be usable by people with disabilities. The concept of accessible design and practice of accessible development ensures both "direct access" (i.e. unassisted) and "indirect access" meaning compatibility with a person's assistive technology (for example, computer screen readers).
Accessibility can be viewed as the "ability to access" and benefit from some system or entity. The concept focuses on enabling access for people with disabilities, or enabling access through the use of assistive technology; however, research and development in accessibility brings benefits to everyone.
Accessibility is not to be confused with usability, which is the extent to which a product (such as a device, service, or environment) can be used by specified users to achieve specified goals with effectiveness, efficiency, convenience satisfaction in a specified context of use.
Accessibility is strongly related to universal design which is the process of creating products that are usable by people with the widest possible range of abilities, operating within the widest possible range of situations. This is about making things accessible to all people (whether they have a disability or not).Explanation:
The accessibility has been given as the degree to which service is available and used by the individuals who is disabled. Thus, option D is correct.
What is accessibility?
Accessibility is given as the access or the availability of the services and products that are used by the disabled person in order to perform a task in the same amount of time as the one without disability.
It performs the role of providing social support to the disables. Thus, accessibility has been the degree of the availability of product and services to anyone who is disabled. Thus, option D is correct.
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