explain in detail about touch screensfor people
Explain in detail about Touch screens
For people who can't use a keyboard allowing input; also helps people with learning difficulties since icons are easier to understand
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determine about the information centres airports supermarkets and any application where information needs to be relayed to customers gain advantage
give brief explanation about the keyboardskeyboards are generally not offered as the number of options is limited and owners of the system do not
what is automated information system using this automated information system affords below benefits to the company and customers- system can be
explain the types of hardware used in supermarketsthese use many types of specialist io hardware for instance- bar code readersscanners to read
explain in detail about touch screensfor people who cant use a keyboard allowing input also helps people with learning difficulties since icons are
explain about the voice recognition deviceblind and partially-sighted people can communicate with a computer using microphone and software keyboard
explain the term- tracker ball and braille printerstracker balleasier to use than a mouse if people have problems using their arms and hands or if
voice synthesisloud speakers and special software are used to output information in the form of sound to help blind and partially-sighted people it
read only memory romrom holds the instructions for starting up the computer this sort of memory can only be read and cant be altered that implies
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