Identify the correct order of the words A-D given below to complete the following sentences about College Registration Systems: ______ is a type of registration system that uses finger prints or retina scans to register students. A type of registration that uses a form that has been completed with a pencil and is then scanned by a machine after being completed is called ______ registration. A tag that uses microchips and radio signals worn by all students that registers them when they enter the classroom is called ______ registration. ______ are made of plastic and contain a chip that can be swiped through a machine to register the student.

A. Smart Cards

B. OMR

C. Biometric

D. RFID

Choose the correct answer from the options given below: