Which of the following statements are true?

1.Full duplex communication is bidirectional.

2.FM radio is an example of simplex communication.

3.Walkie- talkie is an example of full duplex communication.

4.In half duplex communication both devices can send and receive data at the same time.

5.A landline telephone is an example of half duplex communication.

A1, 2, 3, 4 & 5

B3, 4 & 5 only

C1 & 2 only ✓ Correct

D1, 2 & 4 only

Correct answer: (C) 1 & 2 only

Explanation

Statement 1 is true because full duplex communication allows data to flow in both directions at once.

Statement 2 is true because FM radio is one way broadcast, an example of simplex communication.

Statement 3 is wrong because a walkie-talkie is half duplex, sending only one way at a time.

Statement 4 is wrong because sending and receiving at the same time describes full duplex, not half duplex.

Statement 5 is wrong because a landline telephone is full duplex, allowing both to talk together.

Simplex sends in one direction only, while half duplex alternates directions.

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