noun
read-write slot
Computing term for a physical slot or opening that supports both reading and writing operations, such as on a device or drive.
このデバイスには読取り書込みスロットが付いています。
This device has a read-write slot.
Compound of 読取り (yomitori, 'reading') + 書込み (kakikomi, 'writing') + スロット (surotto, 'slot'), a direct translation of the English computing term.