Interfacing with the Arduino Coursera Quiz Answers – Networking Funda

All Weeks 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?

• voltage

Q2. A narrow pipe in a water system is analogous to what concept in an electrical circuit?

• resistance

Q3. Electrical current is measured in:

• Amperes

Q4. Electrical resistance is measured in:

• Ohms

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.

• True

Q8. True or False: When resistance increases and the current is held constant, the voltage also increases.

• True

Interfacing with the Arduino Week 02 Quiz Answers

Q1. Which Arduino function can be used to read information from a sensor?

• digitalRead()

Q2. photoresistor:

• 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.

• True

Q5. In order to perform On-Off actuation, the following Arduino command might be used:

• digitalWrite()

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?

• analogWrite()

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:

• non-volatile

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?

• 0x03

Q4. How many wires are used for communication in the I2C protocol?

• 2

Q5. Which role describes a node that places data on the bus?

• Transmitter

Q6. When is an Acknowledge bit sent?

• after each byte is sent

Q7. True or False: The Wire. write() function buffers data before sending it.

• True

Q8. True or False: The SDA line should never change while the SCL line is high.

• False

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?

• Local processor

Q4. DHCP is:

• (DHCP) Dynamic Host Configuration Protocol

Q5. What is NOT a type of encryption used in WiFi today?

• WPC

Q6. True or False: The SSID of a WiFi network is the name of the network.

• True

Q7. True or False: An Ethernet client does not send data to an Ethernet server.

• False

Q8. True or False: A MAC address is unique for each network adapter.

• True

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The Raspberry Pi Platform and Python Programming for the Raspberry Pi and C Programming

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The Arduino Platform and C Programming

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