Thẻ ghi nhớ: IOT102 -1 | Quizlet

Question: 20 (Choose 1 answer)

Which component on tinkercad com allows displaying the results of the simulation program?

A. Components

B. Send to

C. Start simulation

D. Serial monitor

D. Serial monitor

Question: 1 (Choose 1 answer)

What is the type of USB port on Arduino Uno R3?

A. Type A

B. Type B

C. Type C

D. Micro USB

B. Type B

Question: 2 (Choose 1 answer)

What is the operating voltage of Atmega328?

A. 1.9V to 5V

B 1.8V to 5.5V

C 1.7V to 5V

D 1.2V to 9V

B 1.8V to 5.5V

Question: 3 (Choose 1 answer)

What is the maximum input voltage limit for an Arduino Uno?

A. 6-20 V

B 5-15V

C 7-17V

D. 10-20 V

A. 6-20 V

Question: 4 (Choose 1 answer)

What is the recommended input voltage for an Arduino Uno?

A 5-10 V

B 7-12V

C 9-15 V

D. 11-16 V

B 7-12V

Question: 5 (Choose 1 answer)

What type of communication does the RX and TX pins on the Arduino Uno facilitate?

A. Power transfer

B. Wireless communication

C Serial communication

D. Analog signal processing

C Serial communication

Question: 6 (Choose 1 answer)

What is the use of the Vin pin present on some Arduino Boards?

A. To ground the Arduino board

B. To power the Arduino board

C To provide a 5V output

D. Is used for plugging in 3V supply

B. To power the Arduino board

Question: 7 (Choose 1 answer)

Which sensor is LM35?

A. Pressure sensor

B. Humidity sensor

C Touch sensor

D. Temperature sensor

D. Temperature sensor

Question: 8 (Choose 1 answer)

Which of the following is NOT a sensor in loT?

A BMP280

B DHT11

C Photoresistor

D. LED

D. LED

Question: 9 (Choose 1 answer)

Is it possible to have multiple software serial ports (UART) with speeds up to 115200 bps.

A. Yes, only one software serial port is possible

B. Yes, but the maximum speed is limited to 9600 bps

C No, software serial ports are limited to a single port

D. Yes, multiple software serial ports are possible with speeds up to 115200 bps

D. Yes, multiple software serial ports are possible with speeds up to 115200 bps

Question: 10 (Choose 1 answer)

How many errors are present in the code given below?

int pin1-12

void setup() (

pinmode(pin1, IN)

Serial.begin(9600);

void loop() (

int value analogRead(pin1);

Serial printin(value);

A. 1

B. 2

C. 3

D. 4

D. 4

Question: 11 (Choose 1 answer)

How many pins on Arduino Uno R3 support the pulse width modulation (PWM)?

A 7

B 5

C 9

D 6

D 6

Question: 12 (Choose 1 answer)

Which type of network is the connection between a Bluetooth headset and a smartphone?

A PAN

B MAN

C LAN

D. WAN

A PAN

Question: 13 (Choose 1 answer)

To declare a variable that stores the value read from analog pin A0, what data type is this variable?

A. String

B. Single

C Double

D. Int

D. Int

Question: 14 (Choose 1 answer)

How is the input voltage range of 0 to 5 volts converted to a digital value between 0 and 1023 in an Arduino microcontroller?

A. By using an external circuit

B. By using a digital-to-analog converter (DAC).

C. By a process called analog-to-digital conversion (ADC) inside the microcontroller.

D. By directly mapping the voltage to the digital value without conversion

C. By a process called analog-to-digital conversion (ADC) inside the microcontroller.

Question: 15 (Choose 1 answer)

In the given Arduino code, what is the purpose of the "analogWrite" function, and how is it used to control the LED's behavior?

A. The "analogWrite" function is used to read analog values from a sensor

B. The "analogWrite" function is used to blink the LED on and off.

C. The "analogWrite" function is used to control the brightness of the LED

D. The "analogWrite" function is used to read digital values from a sensor.

C. The "analogWrite" function is used to control the brightness of the LED

Question: 16 (Choose 1 answer)

Which button in the ESP8266 is used to load the code again?

A GND

B TX

C A1

D. AD

A GND

Question: 17 (Choose 1 answer)

Which software is used to upload the Arduino Sketches to the board?

A. Avrgoc

B. g++

C. python for windows

D. Avrdude

D. Avrdude

Question: 18 (Choose 1 answer)

How many times does the loop() function run on every startup of the Arduino System?

A 1

B. Depends upon the setup() function

C Infinitely till the power is supplied to the Arduino

D 3

C Infinitely till the power is supplied to the Arduino

Question: 19 (Choose 1 answer)

In a software simulation environment (Tinkercad) for Arduino programming, which of the following options is typically used to write and run code for your Arduino projects?

A. Selecting the code option to start coding.

B. Using a physical Arduino board to write code

C. Connecting various electronic componerits to a breadboard.

D. Employing a real-time oscilloscope for debugging

A. Selecting the code option to start coding.

Question: 21 (Choose 1 answer)

What is the output of "pin1" if "pin2" is sent "1011" where 1 is 5V and 0 is OV?

(Code snippet)

A 1110

B 0100

C. 1111

D. 1011

B 0100

Question: 22 (Choose 1 answer)

What is the purpose of Fritzing in the context of designing circuits?

A. To physically build circuits in the real world

B To simulate circuit behavior

C To create circuit diagrams and layouts.

D. To test electronic components.

C To create circuit diagrams and layouts.

Question: 23 (Choose 1 answer)

In circuit design, choose the correct usage for the LED component with Arduino board

A. Anode... 5V pin... cathode... AD pin...

B. Anode... 5V pin... cathode... 3V pin...

C. Anode... 5V pin... cathode... 5V pin...

D. Anode... 5V pin... cathode... TX pin...

(Câu hỏi này bị thiếu đáp án đúng. Cách kết nối chuẩn là Anode -> Điện trở -> Chân Digital, và Cathode -> GND.)

Question: 24 (Choose 1 answer)

Which of the following is an example of an IoT application?

A. Wearable device to monitor blood glucose level

B. Manufacturing Bolt using CNC machine

C. Bank web page to monitor customer experience

A. Wearable device to monitor blood glucose level

Question: 25 (Choose 1 answer)

The following trend is NOT related to the growth in IOT technology

A. Increase in computer monitor size over time

B. Decrease in computer size over time

C Increase in computer performance over time

D. Decrease in computer cost over time

A. Increase in computer monitor size over time

Question: 26 (Choose 1 answer)

Which category of actuators includes mechanisms that utilize air pressure to control or move objects?

A. Electrical

B. Mechanical

C Hydraulic

D. Pneumatic

D. Pneumatic

Question: 27 (Choose 1 answer)

An IOT device can most easily be differentiated from a standard computer based on

A. Computational Performance

B. Interface with the user and the world

C Memory Capacity

D. Weight/Size

B. Interface with the user and the world

Question: 28 (Choose 1 answer)

What does a fog extend cloud to?

A. Application to process logic

B. Storage of processed data

C. Things that process and act on data

D. Hardware for executing boot loading

C. Things that process and act on data

Question: 29 (Choose 1 answer)

What is the role of a gateway in an lot network, and how does it relate to routing?

A. Gateways are responsible for routing data packets within the local network.

B. Gateways serve as a central control hub for all lot devices

C Gateways connect lot devices to the internet and perform protocol translation...

D Routing is a term specific to loT, and gateways are not involved in data transmission

C Gateways connect lot devices to the internet and perform protocol translation...

Question: 30 (Choose 1 answer)

When integrating lot devices with cloud platforms, what is the main programming challenge related to data flow?

A. Minimizing the physical size of data packets

B. Ensuring real-time data synchronization across devices

C. Priontizing graphical data over textual data

D Creating aesthetically pleasing data visualizations

B. Ensuring real-time data synchronization across devices

Question: 31 (Choose 1 answer)

What are the 4 V's of Big Data, as described by IBM?

A Volume, Velocity, Value, Variability

B. Velocity, Versatility, Verification, Viscosity

C Volume, Velocity, Variety, Veracity

D. Volatility, Vibration, Visualization, Viability.

C Volume, Velocity, Variety, Veracity

Question: 32 (Choose 1 answer)

In a thin client setup, where is most of the software and data processing performed?

A. Locally on the thin client device,

B. On a central server or ud infrastructure,

C. On a central server or client infrastructure

D. On a dedicated network switch.

B. On a central server or ud infrastructure,

Question: 33 (Choose 1 answer)

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

A. User can ensure security of collected data by encrypting it manually

B. User can sue data collecting agencies if their data is not held securely

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

D Most data gathered by IOT devices is safe because IOT devices are not a target of hackers

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

Question: 34 (Choose 1 answer)

Which issue in the cloud focuses on protecting data from theft or corruption?

A. DATA PRIVATE

B DATA ACCESS

C DATA THEFT

D SECURE NETWORK

C DATA THEFT

Question: 35 (Choose 1 answer)

In IoT, what is the purpose of a Gateway?

A. To act as an intermediary for data transmission between different network protocols

B. To store data collected from IoT devices

C To increase the power supply to loT devices

D. To directly connect sensors to the internet

A. To act as an intermediary for data transmission between different network protocols

Question: 36 (Choose 1 answer)

In the context of lot and networking, what does the abbreviation LPWAN stand for?

A. Lightweight Protocol for Wide Area Network

B Low-Profile Wireless Access Node

C. Low Power Wide Area Network

D. Longitudinal Packet Wireless Architecture

C. Low Power Wide Area Network

Question: 37 (Choose 1 answer)

The first three color bands of a 4-band resistor are brown, green, and yellow. What is its value?

A. 364 Ohm

B 150k Ohm

C 65 Ohm

D. 2800 Ohm

B 150k Ohm

Question: 38 (Choose 1 answer)

If a resistor has bands of yellow, violet, and orange, what would be its resistance value?

A. 43 kilo Ohms

B 470 Ohms

C 47 kilo Ohms

D. 4.7 kilo Ohms

C 47 kilo Ohms

Question: 39 (Choose 1 answer)

What is the primary purpose of a schematic diagram in electrical engineering?

A. To display the physical arrangement of components in a finished device

B. To provide a detailed description of the electrical properties of circuit components

C. To illustrate the components and their connections in an electrical circuit using standardized symbols

D. To demonstrate the three-dimensional structure of the components

C. To illustrate the components and their connections in an electrical circuit using standardized symbols

Question: 40 (Choose 1 answer)

Why is it essential to focus on the unique value proposition of an IoT product in the early planning stages of development and commercialization?

A. It helps reduce the cost of production

B. It allows for more efficient product distribution

C. Differentiation from competitors is crucial for success.

D. It ensures compatibility with all existing lot devices.

C. Differentiation from competitors is crucial for success.

Question: 41 (Choose 1 answer)

In an loT system, many devices are connected to the same set of wires. What is this connection mode?

A. Train

B Bus

C Multi-point connection

D. Serial connection

B Bus

Question: 42 (Choose 1 answer)

In the IR remote control, IR stands for what?

A. Indirect Radio

B. Infrared

C Inside Remote

D. Instant Reception

B. Infrared

Question: 43 (Choose 1 answer)

Which of the following is an example of a fog computing concept in loT?

A. Storing data on remote servers

B. Routing data through multiple gateways

C Performing data analytics on edge devices

D. Using blockchain technology for secure transactions

C Performing data analytics on edge devices

Question: 44 (Choose 1 answer)

Given the nominal voltage of an AAA battery is 1.5V, what is the nominal voltage of 5 AAA batteries connected in parallel?

A. 6V

B 7.5V

C. 9V

D. 15V

B 7.5V (Ghi chú: Câu hỏi này bị SAI. Nối "parallel" (song song) thì điện áp là 1.5V. Nối "series" (nối tiếp) thì điện áp là $1.5 \times 5 = 7.5V$. Đây là lỗi trong đề thi, và 7.5V là đáp án họ mong đợi.)

Question: 45 (Choose 1 answer)

What is the full form of IDE in Arduino IDE software?

A. Iritra Defense Environment

B. Intra Development Environment

C Integrated Development Environment

D. Integrated Deployed Environment

C Integrated Development Environment

Question: 46 (Choose 1 answer)

What kind of control system in which the output quantity has no effect upon the input quantity?

A. Open loop

B Closed loop

C Variable

D. Non-variable

A. Open loop

Question: 47 (Choose 1 answer)

Which function in the Arduino is used to initialize the serial communication?

A. Serial printin()

B. Serial available()

C Serial read()

D. Serial.begin()

D. Serial.begin()

Question: 48 (Choose 1 answer)

Which layer of loT architecture involves sensors and devices that collect data?

A. Perception layer

B. Network layer

C Application layer

D. Data layer

A. Perception layer

Question: 49 (Choose 1 answer)

Which of the following is NOT an advantage of lot?

A. Security

B Enhanced data collection

C Reduced waste

D. Improved customer engagement

A. Security

Question: 50 (Choose 1 answer)

What programming strategies could be employed to handle the "Velocity aspect of big data in an loT system?

A. Implementing strict data type casting in all functions

B. Utilizing just-in-time compilation for all code

C Employing data streaming and real-time processing frameworks

D. Using older data protocols to ensure compatibility

C Employing data streaming and real-time processing frameworks