Introduction to the Internet of Things and Embedded Systems Quiz Answers

Introduction to the Internet of Things and Embedded Systems Quiz Answers

Week 1: What Is the Internet of Things (IoT)?

Module 1 Quiz Answers

Q1. My watch displays the current weather downloaded from the Internet. My watch is an IoT device.

• True

Q2. Which of the following could be an IoT device?

• a lamp, a couch, a pen

Q3. An IoT device can most easily be differentiated from a standard computer based on

• the interface with the user and the world

Q4. The following trend is NOT related to the growth in IoT technology:

• Increase in computer monitor size over time.

Q5. IoT devices are likely to be more vulnerable to cyberattacks than standard computers.

• True

Q6. Which of these security approaches is feasible for most IoT devices?

• Regular installation of product firmware updates.

Q7. IoT devices gather private information about users. Which statement is most true about the security of that data?

• Users must rely on data-collecting agencies to securely store and transmit their data.

Q8. Although people are aware of the dangers of cyberattacks, they often do not understand the risks to IoT devices.

• True

Introduction to the Internet of Things and Embedded Systems Week 2 Quiz Answers

Q1. A light sensor (photoresistor) is an analog sensor.

• True

Q2. A microphone is a digital sensor.

• False

Q3. A push-button is an analog sensor.

• False

Q4. A keyboard is a digital sensor.

• True

Q5. Which of the following components are actuators? Select all that apply.

• a servo motor
• an LED
• a heating element

Q6. The component of an embedded system that executes a program is:

• a microcontroller

Q7. An analog-to-digital converter is common in embedded systems because

• many sensors are analog while the microcontroller is digital.

Q8. Consider the anti-lock braking system in a car. What are the main sensors and actuators of this system from the perspective of the driver?

• brake pedal and brake calipers and pads

Introduction to the Internet of Things and Embedded Systems Week 3 Quiz Answers

Q1. Under what conditions should an integrated circuit be used in an IoT device?

• When highest performance is required.
• When lowest power is required.
• When the function is already commonly available as an integrated circuit.

Q2. Given a choice between implementing a function as an integrated circuit (in hardware) or as a program (in software), what factor needs to be considered the least?

• The physical look of the final device.

Q3. Generally, in a computer-based system, the main memory is much larger than the cache.

• True

Q4. What is the fastest type of storage in a computer-based device?

• Registers

Q5. Which statement is false?

• Machine language is universal, allowing programs written in machine language to be executed on any microprocessor.

Q6. What does an assembler generate?

• Machine code from assembly code.

Q7. Compiled code generally executes faster than interpreted code.

• True

Q8. Which of the following is NOT a benefit of using an operating system?

• The frequency of the microcontroller clock can be significantly increased.

Introduction to the Internet of Things and Embedded Systems Week 4 Quiz Answers

Q1. What protocols are required for Internet communication?

• TCP or UDP/IPare turned on often, for small bits of work

Q2. Which network device copies packets onto all ports?

• hub

Q3. What is the protocol associated with the worldwide web?

• HTTP

Q4. A MANET protocol is likely to differ from a typical LAN protocol because a MANET protocol will

• consume less power than a typical LAN protocol.

Q5. The function of a packet header is to

• contain packet information generated by a protocol layer.

Q6. A packet sniffer is a tool that can be used to record all local traffic on a network.

• True

Q7. A hub can be used to communicate between two LANs with different protocols.

• False

Q8. In the HTTP protocol, a request message is sent by a web client to a web server.

• True

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The Arduino Platform and C Programming Quiz Answers

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