voice synthesisloud speakers and special software
Voice synthesisLoud speakers and special software are used to output information in the form of sound to help blind and partially-sighted people; it also helps people who have difficulty reading/understanding text
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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
programmable read only memory proma prom is a memory chip on which data can be written only one time once a program has been written onto a prom its
erasable programmable read only memory epromthis is a special type of prom which can be erased by exposing it to ultraviolet uv light once it has
electrically erasable programmable read only memory eeproman eeprom is a special type of prom which can be erased by exposing it to an electrical
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