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12pryce.d English 7 cards

Cards in this deck (7)

1keyboardthe use of a keyboard to enter data, the user presses the letters and symbols
2concept keyboardspecialised or concept keyboards are used in business e.g. pubs and fast food restaurants where the keyboard is pre-programmed with specific keys for food items (grid of images)
3sip and puff devicethis kind of switch is excellent for someone with limited physical mobility.
the puff-sip switch tube is placed in the mouth, as the person sips or blows,
a switch connected at the other end goes off or on.
the switch itself is then connected to the computer.
specific software running on the computer can take this input and act on it in any number of ways.
4mousea pointing device used as a selection tool
5magnetic stripsa magnetic strip is a black strip on a plastic card and tends to hold static information
useful
6touch screensa touchscreen can detect exactly where on its surface it has been touched. touch screens are used in railway stations for ticket purchase
7joystickthe main use is to play computer games