Information of Technology

What does RGB stand for?

• Red Green Blue

• Random Great Button

• Right Goodbye Bye

What type of communication systems use modulators?

• Radio broadcasting systems

• Television broadcasting systems

• Digital communication systems

• All of the above

Which modulation technique varies the amplitude of the carrier wave in response to the information signal?

• Amplitude modulation (AM)

• Frequency modulation (FM)

• Phase modulation (PM)

• Pulse code modulation (PCM)

What is the function of a carrier wave in modulation?

• To carry the information signal through a communication channel

• To amplify the information signal

• To filter out noise from the signal

• To provide a high-frequency wave to be modulated with the information signal

What is the purpose of a modulator in communication systems?

• To amplify a signal

• To filter a signal

• To modulate a carrier wave with an information signal

• To convert an analog signal to a digital signal

What is a modulator?

• A device used to amplify a carrier wave

• A device used to modulate an information signal

• A device used to combine two carrier waves

• A device used to filter a modulated signal

What type of devices use RGB?

• Printers

• Cameras

• Computer Monitors

In the RGB model, how are colors created?

• By mixing paint

• By combining different intensities of red, green, and blue light

• By using a color wheel

What is the range of values for each color channel in RGB?

• 0-255

• 0-100

• 0-10

Is RGB an additive or subtractive color model?

• Additive

• Subtractive

• Both