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O Level
M1 R5: Information Technology Tools and Network Basics
Introduction to Computers
Office Automation Tools
Internet and Web Technologies
Networking Fundamentals
M2 R5: Web Designing and Publishing
HTML
CSS
Javascript
Web Hosting And Publishing
M3 R5: Programming and Problem Solving through Python
Introduction to Programming
Python Programming
Data Structures in Python
File Processing in Python
M4 R5: Internet of Things (IoT) and Its Applications
Introduction to IoT
IoT Architecture
IoT Applications
IoT Security and Challenges | Soft Skills
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O Level Papers!
M4 R5: Internet of Things (IoT) and Its Applications
IoT Applications
Set 9
25
See Explanation !
1
In an IoT system, which sensor type might an Arduino use to measure temperature?
एक IoT सिस्टम में, तापमान को मापने के लिए एक Arduino किस सेंसर प्रकार का उपयोग कर सकता है?
LDR
DHT11
Ultrasonic sensor
Servo motor
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25
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2
Which pin on an Arduino board is typically used for PWM output?
एक Arduino बोर्ड पर कौन सा पिन आमतौर पर PWM आउटपुट के लिए उपयोग किया जाता है?
Analog pin
Digital pin with ~ symbol
GND pin
Vin pin
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25
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3
Which of the following Arduino boards is specifically designed for IoT applications with built-in Wi-Fi support?
निम्नलिखित में से कौन सा Arduino बोर्ड विशेष रूप से अंतर्निहित वाई - फाई समर्थन वाले IoT अनुप्रयोगों के लिए डिज़ाइन किया गया है?
Arduino Nano
Arduino Uno
Arduino Mega
Arduino Nano 33 IoT
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25
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4
What is the role of an IoT gateway in Arduino IoT projects?
Arduino IoT प्रोजेक्ट्स में IoT गेटवे की क्या भूमिका है?
Sense environmental data
Control actuators
Connect IoT devices to the cloud
Store data locally
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25
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5
What is the purpose of the analogWrite() function in Arduino?
Arduino में analogWrite () फ़ंक्शन का उद्देश्य क्या है?
To read analog signals
To output digital signals
To output PWM signals
To write digital HIGH/LOW values
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25
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6
Which of the following sensors can detect motion in Arduino-based IoT projects?
निम्नलिखित में से कौन सा सेंसर Arduino - आधारित IoT परियोजनाओं में गति का पता लगा सकता है?
MQ-135 gas sensor
PIR sensor
DHT22
BMP280
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25
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7
What is the maximum current an Arduino Uno can supply from a digital pin?
डिजिटल पिन से Arduino Uno अधिकतम कितना करंट सप्लाई कर सकता है?
10mA
20mA
40mA
100mA
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25
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8
Which type of sensor is used to measure light intensity in IoT projects?
IoT परियोजनाओं में प्रकाश की तीव्रता को मापने के लिए किस प्रकार के सेंसर का उपयोग किया जाता है?
BMP180
LDR
MPU6050
DS18B20
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25
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9
What is the role of the Serial.begin() function in an Arduino sketch?
Arduino स्केच में Serial.begin () फ़ंक्शन की भूमिका क्या है?
To start the Serial Monitor
To set up serial communication and baud rate
To write data to the Serial Monitor
To end the serial communication
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25
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10
What is the role of the DHT22 sensor in IoT projects?
IoT परियोजनाओं में DHT22 सेंसर की क्या भूमिका है?
Measure light intensity
Detect motion
Measure temperature and humidity
Monitor air pressure
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25
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11
Which command is used to create a delay of 1 second in an Arduino program?
Arduino प्रोग्राम में 1 सेकंड की देरी बनाने के लिए किस कमांड का उपयोग किया जाता है?
delay(1);
delay(100);
delay(1000);
delay(60);
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25
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12
Which pin on the Arduino Uno is used to reset the board manually?
बोर्ड को मैन्युअल रूप से रीसेट करने के लिए Arduino Uno पर किस पिन का उपयोग किया जाता है?
A0
GND
RST
Vin
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25
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13
How many GPIO (General Purpose Input/Output) pins are available on an Arduino Uno?
Arduino Uno पर कितने GPIO (सामान्य प्रयोजन इनपुट/आउटपुट) पिन उपलब्ध हैं?
14
16
20
32
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25
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14
What does the term "baud rate" refer to in serial communication?
धारावाहिक संचार में "बॉड दर" शब्द का क्या अर्थ है?
The frequency of data transmission in kilobytes
The number of bits transmitted per second
The power consumption of the device
The range of the communication
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25
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15
Which sensor is best suited for monitoring air quality in Arduino IoT projects?
Arduino IoT परियोजनाओं में हवा की गुणवत्ता की निगरानी के लिए कौन सा सेंसर सबसे उपयुक्त है?
MQ-135
BMP280
DS18B20
PIR sensor
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25
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16
What is the purpose of the tone() function in Arduino?
Arduino में TONE () फ़ंक्शन का उद्देश्य क्या है?
To generate a PWM signal
To produce a sound on a buzzer with a specific frequency
To control the brightness of an LED
To read analog values
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25
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17
What is the correct syntax for using the tone() function?
TONE () फ़ंक्शन का उपयोग करने के लिए सही वाक्यविन्यास क्या है?
tone(pin, frequency, duration)
tone(pin, duration, frequency)
tone(frequency, pin, duration)
tone(pin)
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25
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18
What is the typical range of frequencies that can be produced by the tone() function?
TONE () फ़ंक्शन द्वारा उत्पन्न की जा सकने वाली आवृत्तियों की विशिष्ट श्रेणी क्या है?
1 Hz to 1 kHz
31 Hz to 65535 Hz
100 Hz to 10 kHz
500 Hz to 1 MHz
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25
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19
Which Arduino library is typically used to control a servo motor?
सर्वो मोटर को नियंत्रित करने के लिए आमतौर पर किस Arduino लाइब्रेरी का उपयोग किया जाता है?
Servo.h
Motor.h
Wire.h
LCD.h
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25
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20
What is the typical range of angles for controlling a servo motor using Arduino?
Arduino का उपयोग करके सर्वो मोटर को नियंत्रित करने के लिए कोणों की विशिष्ट सीमा क्या है?
0 to 90 degrees
0 to 180 degrees
0 to 360 degrees
-90 to 90 degrees
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25
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21
Which function is used to set the position of a servo motor?
सर्वो मोटर की स्थिति निर्धारित करने के लिए किस फ़ंक्शन का उपयोग किया जाता है?
servo.attach()
servo.write()
servo.move()
servo.setPosition()
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25
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22
Which Arduino pin type is typically used to control the speed of a DC motor?
DC मोटर की गति को नियंत्रित करने के लिए आमतौर पर किस Arduino पिन प्रकार का उपयोग किया जाता है?
Analog pins
PWM-enabled digital pins
Ground pins
Interrupt pins
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25
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23
Which library is commonly used to control a 16x2 LCD with Arduino?
Arduino के साथ 16x2 LCD को नियंत्रित करने के लिए आमतौर पर किस लाइब्रेरी का उपयोग किया जाता है?
LiquidCrystal.h
LCDDriver.h
Wire.h
Display.h
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25
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24
What is the role of the lcd.begin() function in an Arduino program?
Arduino प्रोग्राम में lcd.begin () फ़ंक्शन की भूमिका क्या है?
It initializes the LCD with the number of columns and rows.
It prints a message to the LCD.
It clears the LCD display.
It changes the LCD backlight.
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25
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25
How can you display text on the first row of a 16x2 LCD?
आप 16x2 एलसीडी की पहली पंक्ति पर टेक्स्ट कैसे प्रदर्शित कर सकते हैं?
Use lcd.setCursor(0, 0) and lcd.print("Text").
Use lcd.begin(0, 0) and lcd.display("Text").
Use lcd.print(0, "Text")
Use lcd.text("Text", 0)
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