which require the user to move the instrument across the paper, as well as flat-bed scanners. The primary sensor types are charge-coupled device (CCD) arrays and contact image sensor (CIS) arrays.
teachers could provide pictures of lots of input and output devices and some objects that are neither. The children could sort the pictures using a Venn diagram ...
teachers could provide pictures of lots of input and output devices and some objects that are neither. The children could sort the pictures using a Venn diagram ...
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