1. How are electronic sensors used in digitizing the natural world?
- They measure a physical event and translate it into electrical signals.
- They measure voltage as a function of time and output a graph.
- They convert digital events into analog representations.
- They measure electrical signals sent from a specific computer port.
2. What type of electrical circuit stops working when a single electronic component is damaged or removed?
- nonlinear
- parallel
- series
- linear
3. Refer to the exhibit. What is used to limit the amount of current that flows through the circuit?
- inductor
- resistor
- capacitor
- LED
4. What is another term for an electrically controlled mechanical switch?
- microcontroller
- actuator
- sensor
- relay
5. What software package is commonly used to create programs for the Arduino?
- Arduino IDE
- Packet Tracer
- SparkFun
- RedBoard
6. Which tool measures the ratio of voltage to current across an object?
- multimeter
- clamp meter
- oscilloscope
- wattmeter
7. Fill in the blank.
Refer to the exhibit. The graphic shows an example of a simple ___
Correct Answer: circuit
8. What is direct current?
- the type of current that is supplied to the home by power utilities
- the type of electric current in which the current flow periodically reverses direction
- the type of current that is produced by batteries, computer power supplies, and solar cells
- the type of current that is represented by a sine wave
9. Which three items can serve as inputs to a microcontroller unit such as an Arduino? (Choose three.)
- a sensor
- an LED
- a pushbutton
- a Twitter message
- an actuator
- a relay
10. Match the unit of measurement with the associated electronic concept. (Not all options are used.)
- watt –> power
- ampere –> current
- volt –> voltage
- ohm –> resistance
- Other Incorrect Match Options:
- bandwidth
- latency
11. Which tool has the ability to measure the signals that travel from sensors to microcontrollers as a function of time?
- multimeter
- clamp meter
- oscilloscope
- wattmeter
12. Match the definitions with the appropriate steps of the design phase of a printed circuit board.
- finding possible vendors and material costs –> research
- the initial idea –> concept
- symbolic representations of the circuit and components –> circuit design
13. What type of circuit provides multiple paths for current flow so that the failure of a single component will not affect the operation of the entire circuit?
- series
- parallel
- linear
- nonlinear
14. Refer to the exhibit. What type of component is represented if it appeared on an electronic schematic?
- inductor
- resistor
- capacitor
- LED
15. What is a feature of microcontrollers that makes them well-suited for use in the Internet of things?
- large data storage capacity
- low power requirements
- multiple processor cores
- large form factor
16. What type of device is able to create physical movement?
- actuator
- sensor
- diode
- resistor
17. What functions do sensors perform in the digitized world?
- creating physical movement
- detecting events in the physical environment
- performing physical actions
- reducing current flow through a circuit
18. What file extension is used when saving sketches written with the Arduino IDE?
- .txt
- .doc
- .ino
- .exe
19. What type of component has no effect on gain or control over voltage or current?
- linear
- nonlinear
- passive
- active
20. Match the term to its definition.
- voltage (V) –> electrical potential difference, “electrical pressure”
- resistance (R) –> opposition to flow of charged particles
- current (I) –> flow of charged particles; often electrons
- impedance (Z) –> opposition to changes in voltage or current due to electrical and magnetic interactions
- power (P) –> electrical energy per unit time generated or dissipated
You the best