All Weeks Interfacing with the Arduino Coursera Quiz Answers
Arduino senses the environment by receiving inputs from add-on devices such as sensors and can control the world around it by adjusting lights, motors, and other actuators. In this class, you will learn how and when to use the different types of sensors and how to connect them to the Arduino.
Since the external world uses continuous or analog signals and the hardware is digital you will learn how these signals are converted back-and-forth and how this must be considered as you program your device. You’ll also learn about the use of Arduino-specific shields and the shields software libraries to interface with the real world. Please note that this course does not include discussion forums.
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Interfacing with the Arduino Coursera Quiz Answers
Interfacing with the Arduino Week 01 Quiz Answers
Q1. Pressure in a water pump system is analogous to what concept in an electrical circuit?
Q2. A narrow pipe in a water system is analogous to what concept in an electrical circuit?
Q3. Electrical current is measured in:
Q4. Electrical resistance is measured in:
Q5. An LED is reverse-biased when:
- the anode is negative with respect to the cathode
Q6. The function of a potentiometer is to:
- vary the resistance between points in the circuit
Q7. True or False: All of the holes in a column on the side of a breadboard are electrically connected.
Q8. True or False: When resistance increases and the current is held constant, the voltage also increases.
Interfacing with the Arduino Week 02 Quiz Answers
Q1. Which Arduino function can be used to read information from a sensor?
- changes resistance according to light level
Q3. voltage divider is:
- a circuit that contains resistors connected in series
Q4. True or False: A voltage-controlling sensor can be read by an Arduino using the analogRead() function.
Q5. In order to perform On-Off actuation, the following Arduino command might be used:
Q6. The function of a Digital to Analog Converter is:
- to generate an analog voltage from digital signals
Q7. Which Arduino command is used to generate a pulse width modulated signal?
Q8. The duty cycle of a signal describes:
- the fraction of time it is high
Interfacing with the Arduino Week 03 Quiz Answers
Q1. An EEPROM is:
Q2. A mask is:
- a sequence of bits used to identify bits of interest
Q3. Assume that you have a byte but you are interested in only the 2 least significant bits of the byte. Which hexadecimal number represents the mask that you would use to help you?
Q4. How many wires are used for communication in the I2C protocol?
Q5. Which role describes a node that places data on the bus?
Q6. When is an Acknowledge bit sent?
Q7. True or False: The Wire. write() function buffers data before sending it.
Q8. True or False: The SDA line should never change while the SCL line is high.
Interfacing with the Arduino Week 04 Quiz Answers
Q1. In communication over the Internet, how is the “port” number used?
- to identify the application protocol being used
Q2. The Domain Name Service is:
- a service to map domain names to IP addresses
Q3. Which of the following is NOT an argument to the Ethernet. begin() function?
Q4. DHCP is:
- (DHCP) Dynamic Host Configuration Protocol
Q5. What is NOT a type of encryption used in WiFi today?
Q6. True or False: The SSID of a WiFi network is the name of the network.
Q7. True or False: An Ethernet client does not send data to an Ethernet server.
Q8. True or False: A MAC address is unique for each network adapter.
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All Quiz Answers of An Introduction to Programming the Internet of Things (IoT) Specialization Course
Course 1: Introduction to the Internet of Things and Embedded Systems
Course 2: The Arduino Platform and C Programming
Course 3: Interfacing with the Arduino
Course 4: The Raspberry Pi Platform and Python Programming for the Raspberry Pi
Course 5: Interfacing with the Raspberry Pi