Input Devices
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ESSAY DETAILS
Words: 3206
Pages: 12
(approximately 235 words/page)
Pages: 12
(approximately 235 words/page)
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showed first 75 words of 3206 total
showed last 75 words of 3206 total
…contain any instructions because the meter reader who fills it in will complete hundreds of similar forms every day. He will have been trained to use the forms so printing instructions on them would simply waste space. Sensors Sensors can be used to measure physical quantities such as temperature, light and pressure. The measurements can then be stored for later use (data logging) or used to control devices such as heaters or fans (computer control).
…contain any instructions because the meter reader who fills it in will complete hundreds of similar forms every day. He will have been trained to use the forms so printing instructions on them would simply waste space. Sensors Sensors can be used to measure physical quantities such as temperature, light and pressure. The measurements can then be stored for later use (data logging) or used to control devices such as heaters or fans (computer control).
