Interfacing with the Arduin Quiz Answer. In this post you will get Quiz & Assignment Answer Of Interfacing with the Arduin
Interfacing with the Arduin Quiz
Offered By ”University of California”
Week- 1
Module 1 Quiz
1.
Question 1
Pressure in a water pump system is analogous to what concept
in an electrical circuit?
1 point
- a. resistance
- b. voltage
- c. capacitance
- d. current
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2.
Question 2
A narrow pipe in a water system is analogous to what concept in an electrical circuit?
1 point
- a. resistance
- b. voltage
- c. capacitance
- d. current
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3.
Question 3
Electrical current is measured in:
1 point
- a. Ohms
- b. Coulombs
- c. Amperes
- d. Volts
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4.
Question 4
Electrical resistance is measured in:
1 point
- a. Ohms
- b. Coulombs
- c. Amperes
- d. Volts
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5.
Question 5
An LED is reverse-biased when:
1 point
- a. the voltage across it does exceed its threshold
- b. the anode and cathode have the same voltage
- c. current flows through the LED
- d. the anode is negative with respect to the cathode
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6.
Question 6
The function of a potentiometer is to:
1 point
- a. measure the resistance between two points in the circuit
- b. measure the voltage between two points in the circuit
- c. vary the resistance between points in the circuit
- d. complete an open circuit
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7.
Question 7
True or False: All of the holes in a column on the side of a breadboard are electrically connected.
1 point
- True
- False
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8.
Question 8
True or False: When resistance increases and current is held constant, voltage also increases.
1 point
- True
- False
Peer-graded Assignment: Peer Assignment: Build a Circuit
https://www.electroschematics.com/turn-on-led-button-arduino/
Week- 2
Module 2 Quiz
1.
Question 1
Which Arduino function can be used to read information from a sensor?
1 point
a. analogWrite()
b. tone()
c. digitalRead()
d. digitalWrite()
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2.
Question 2
A photoresistor:
1 point
a. changes voltage according to light level
b. increases or decreases current through a wire
c. stores an image
d. changes resistance according to light level
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3.
Question 3
A voltage divider is:
1 point
a. a component that reduces voltage by a known factor
b. a component acts as a power supply for a number of components
c. a circuit that contains resistors connected in series
d. the combination of a set of resistive sensors
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4.
Question 4
True or False: A
voltage-controlling sensor can be read by an Arduino using the analogRead()
function.
1 point
True
False
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5.
Question 5
In order to perform On-Off actuation, the following Arduino
command might be used:
1 point
a. digitalRead()
b. tone()
c. digitalWrite()
d. #include
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6.
Question 6
The function of a Digital to Analog Converter is:
1 point
a. to generate an analog voltage from digital signals
b. to allow analog current to be controlled by a digital number
c. to produce a waveform with an analog frequency
d. to accept both digital and analog inputs
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7.
Question 7
Which Arduino command is used to generate a pulse width modulated signal?
1 point
a. analogWrite()
b. tone()
c. digitalRead()
d. digitalWrite()
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8.
Question 8
The duty cycle of a signal describes:
1 point
a. its frequency
b. its voltage level
c. its peak voltage difference
d. the fraction of time it is high
Peer-graded Assignment: Peer Asssignment: Light an LED
https://create.arduino.cc/projecthub/57254/turn-led-on-if-surroundings-are-dark-with-ldr-sensor-da9d68
Week- 3
Module 3 Quiz
1.
Question 1
An EEPROM is:
1 point
a. non-volatile
b. impossible to reprogram
c. cheaper than Flash (per bit)
d. not byte-addressable
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2.
Question 2
A mask is:
1 point
a. a code used to hide data in memory
b. a sequence of bits used to identify bits of interest
c. part of a method for securing memory
d. a secret key inside memory
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3.
Question 3
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?
1 point
a. 0xFF
b. 0x80
c. 0x03
d. 0x02
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4.
Question 4
How many wires are used for communication in the I2C protocol?
1 point
a. 2
b. 3
c. 4
d. 5
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5.
Question 5
Which role describes a node that places data on the bus?
1 point
a. Master
b. Slave
c. Transmitter
d. Receiver
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6.
Question 6
When is an Acknowledge bit sent?
1 point
a. at the beginning of each message
b. at the end of each message
c. before the address is sent
d. after each byte is sent
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7.
Question 7
True or False: The Wire.write() function buffers data before sending it.
1 point
True
False
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8.
Question 8
True or False: During normal operation, the SDA line should not change while the SCL line is high.
1 point
True
False
Peer-graded Assignment: Peer Assignment: EEPROM Sketch
Week- 4
Module 4 Quiz
1.
Question 1
In a communication over the Internet, how is the “port” number used?
1 point
a. to identify a machine involved in communication
b. to uniquely identify a component on the network
c. to identify the application protocol being used
d. to determine the domain name of the node on the network
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2.
Question 2
The Domain Name Service is:
1 point
a. a system to generate names for Internet domains
b. a service to map domain names to IP addresses
c. a protocol for identifying services provided by different domains
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3.
Question 3
Which of the following is NOT an argument to the Ethernet.begin() function?
1 point
a. MAC address
b. IP address
c. Local processor
d. Gateway
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4.
Question 4
DHCP is:
1 point
a. a protocol to assign IP addresses to network nodes
b. a type of router used with Ethernet
c. a location service for network nodes
d. a type of firewall used in small companies
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5.
Question 5
What is NOT a type of encryption used in WiFi today?
1 point
a. WEP
b. WPA
c. WPC
d. WPA2
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6.
Question 6
True or False: The SSID of a WiFi network is the name of the network.
1 point
True
False
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7.
Question 7
True or False: An Ethernet client does not send data to an Ethernet server.
1 point
True
False
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8.
Question 8
True or False: A MAC address is unique for each network adapter.
1 point
True
False
Peer-graded Assignment: Peer Assignment: WiFi Shield
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