11.3 Data
Data from a sensor is often in analogue form and needs to be converted into digital form to be able to be processed by a computer. The output data often then needs to be converted back into analogue form.
Write out the sentence and fill in the missing word
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Data is that is represented
using continuously variable physical quantities such as voltages is ?????. |
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Data that is
represented in discrete units in the form of digits or numbers is ?????. |
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Input devices that
measure data from the environment are ?????. |
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Sensors that can
detect changes in the levels of light are ?????. |
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Sensors that can
detect whether two objects have come into contact are ?????. |
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Motors used with
gears to produce a range of movements are ?????. |
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Motors that can accurately
measure the rotations of a motor spindle are ?????. |
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A switching device
is a ?????. |
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A device that
allows computers and peripherals to be connected is an ?????. |
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A programmable computer
designed to move material, parts, tools or specialised devices to perform a
variety of tasks is a ?????. |