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The set of commands shown is from GOTO_BEACON. In this list of commands, what does the following command do?

SetDigitalOutput(14, freq);

A. Sets digital port 14 on the controller to 0, which tells the infrared detectors to receive a 1 KHz signal.
B. Sets the freq variable to 14, which tells the infrared detectors to receive a 1 KHz signal.
C. Sets component 14 on the IR board to 0, which tells the infrared detectors to receive a 1 KHz signal.
D. Sets the freq variable to 14, which tells the infrared detectors to receive a 10 KHz signal.
E. Sets digital port 14 on the controller to 0, which tells the infrared detectors to receive a 10 KHz signal.

Answer :

Final answer:

The command SetDigitalOutput(14,freq) configures a digital output on a controller, with the actual frequency determined by the value of the freq variable. Without knowing the value assigned to freq, none of the provided options can be confirmed as correct.

Explanation:

The command SetDigitalOutput(14,freq) typically implies the use of a function within a programming environment that is used to control a digital output pin on a microcontroller or similar device. The exact action taken by this command depends on the specific programming environment and the context provided by the GOTO_BEACON program. It's likely related to setting up a communication protocol where digital signals are used. The freq variable would be set to control the frequency of the signal output for communication purposes. The command does not inherently set any specific frequency; it depends on the value held by the freq variable at the time of execution.

Considering the context provided with information on digital signals, WiFi, and Bluetooth, and the fact that the frequency would be defined by the variable freq, none of the listed options are correct without knowing the actual value assigned to freq. In digital communications, frequencies such as 1 KHz or 10 KHz might be used for different purposes, but the command itself only sets the output of the port to the value of 'freq', without specifying what that frequency is.

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