IoT Chapter 2
What software package is commonly used to create programs with Arduino
Arduino IDE
How are electronic sensors used in digitizing the natural world?
They measure a physical event and translate
What is used to limit the amount of current that flows through the circuit?
resistor
What file extension is used when saving sketches written with the Arduino IDE?
.ino
What is the unit of measurement for resistance?
Ohms
What type of device is able to create physical movement?
actuator
What is the unit of measurement for current?
ampere
In the design phase, what do you do in the circuit design stage?
create a symbolic representation of the circuit and components
What is the flow of charged particles: often electrons?
current
What functions do sensors perform in the digitized world?
detecting events in the physical environment
In the design phase, what do you do in the concept stage?
develop the initial idea
n the design phase, what do you do in the research stage?I
find possible vendors and material costs
What is the opposition to changes in voltage or current due to electrical and magnetic interactions?
impedance
What is a feature of microcontrollers that makes them well-suited for use in the Internet of Things?
low power requirements
Which tool has the ability to measure signals that travel from sensors to microcontrollers as a function of time?
multimeter
Which tool measures the ratio of voltage to current across an object?
multimeter
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?
parallel
What type of component has no effect on gain or control over voltage or current?
passive
What is electrical energy per unit time generated or dissipated?
power
What is another term for an electrically controlled mechanical switch
relay
What is the opposition to flow of charged particles?
resistance
Name three items that can serve as inputs to a microcontroller unit such as an Arduino.
sensor, pushbutton, Twitter message
What type of electrical circuit stops working when a single electronic component is damaged or removed?
series
What is a direct current?
the type of current that is produced by batteries, computer power supplies, and solar cells
What is the unit of measurement for voltage?
volt
What is the electrical potential difference, "electrical pressure"?
voltage
What is the unit of measurement for power?
watts
