A: Class IX

91 Electronic computer and its peripheral equipment

Card reading equipment Electronic card reader USB card reader Electronic pen coding Magnetic card reader Credit card reader Chip card reader Read-only optical disk drive Smart card reader Touch-screen pen Recording music with machine-readable computer software 9588 CD disk (read-only memory) Touch-screen capacitive stylus . 9598 Electronic pen (visual demonstration device) Instructions for the operation and use of computers and computer software stored in digital form, especially on floppy disks or CD-ROM, with pens with conductive tips for touch screens 913 Crystal and carbon materials for electrical appliances, electronic and electrical common components 9148 Safety contact plugs for electrical contacts.