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