mark reader; mark reading device
Computing term for a device that reads marks (e.g., OMR sheets, barcodes, check marks).
Exam answer sheets are graded by a mark reader.
This mark reader can also read barcodes.
OMR (Optical Mark Recognition) is the technology; マーク読取り装置 is the physical device that performs OMR.
A barcode reader is a specific type of mark reader, but マーク読取り装置 can refer to a broader range of mark-reading devices.
Standard technical spelling; 読取り is a common kanji-kana mix for 'reading' in compound nouns.
Variant with 読取 (okurigana omission), often seen in technical documents.
Compound of マーク (mark) + 読取り (reading) + 装置 (device). A straightforward technical term.