Teaching EMRS PGT Mock Test 2023 Computer Organization and Architecture I/O Interface Modes of Data Transfer
Which of the following is false with reference to wireless transmission media in data communication?.
1
Radio and infrared lights are the examples of wireless media.
2
Used for radio broadcasting in all direction
3
Installation needs more time and more money than wired media
4
The signal energy propagates in the form of unguided electromagnetic waves