Learn in the textbookTypes and Characteristics of Computers
DefinitionA wearable device (ウェアラブル端末) is a small computer you use while wearing it on your body, such as a wristwatch-type or glasses-type device.
ExplanationMany models, such as watch types, have sensors that measure and record things like your step count and heart rate while you wear them. The measured data is usually sent to a smartphone or similar device to be displayed or stored.
AnalogyIt is like an attendant who stays close by your side and responds the moment you need something.
Memory hookWear plus able: a device you can wear, just like clothing.