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Questions and Answers
Which of the following represents an electrical signal that represents information in the pattern of bits (0s and 1s)?
Which of the following represents an electrical signal that represents information in the pattern of bits (0s and 1s)?
- FM radio signals
- Digital signals (correct)
- Analog signals
- Continuous signals
Which of the following is a digital input component?
Which of the following is a digital input component?
- Pushbutton (correct)
- Servo Motor
- Buzzer
- Potentiometer
Which of the following converts electrical energy into mechanical energy using a direct current power source?
Which of the following converts electrical energy into mechanical energy using a direct current power source?
- 9V Battery
- Ultrasonic sensor
- LED
- DC motor (correct)
What do we call an electric device that emits infrared radiation to detect certain characteristics of the surrounding environment?
What do we call an electric device that emits infrared radiation to detect certain characteristics of the surrounding environment?
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What do we call a set of LEDs connected together using a grid of wires?
What do we call a set of LEDs connected together using a grid of wires?
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