光こう学がく式しきマウス

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Meanings

1

noun

optical mouse

computing

A computer mouse that uses an LED or laser to track movement, as opposed to a mechanical ball mouse.

ray, light

学study, learning, science

式style, ceremony, rite

マウス
Generic term for a computer mouse; 光学式マウス specifies the optical type.
ボール式しきマウス
Mechanical ball mouse, the older technology that optical mice largely replaced.

Compound of 光学式 (optical type) + マウス (mouse). A straightforward modern technical term.