Match the terms to the description. $(1$:$1$ correspondence$)$

Question $19$ options:

$1234$

flat bed

$1234$

drum scanner

$1234$

hand$-$held scanner

$1234$

RFID scanner

$1.$

moves the document past the sensor

$2.$

stationary unit that moves the sensor past the document

$3.$

the sensor is moved manually across the document

$4.$

uses radio