Identify the sequence of appropriate words 1-4 that correctly fills the blanks in the following paragraph: Radio ______ Identification Systems use radio waves to read and capture information stored on a tag, which can be read from several metres away. The ______ is made up of a(n) ______ to store and process data, and a(n) ______ to receive and transmit data.
1.Tag
2.Frequency
3.Antenna
4.Microchip
A2, 4, 1, 3
B3, 1, 4, 2
C2, 1, 4, 3 ✓ Correct
D1, 3, 2, 4
Correct answer: (C) 2, 1, 4, 3
Explanation
The first blank is Frequency, giving Radio Frequency Identification, the RFID system.
The second blank is Tag, the component that holds the stored information.
The third blank is Microchip, which stores and processes the data.
The fourth blank is Antenna, which receives and transmits the data by radio waves.
The filled order is Statement 2, Statement 1, Statement 4, Statement 3.
RFID tags can be passive, drawing power from the reader, or active with their own battery.
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