Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 632 · 40 questions

Remember (Sense, send, store, show): IoT device = an everyday thing that shares data over the internet (usually Wi-Fi and an app). Data flow: sensor → board → Wi-Fi → cloud → app (and commands back to an actuator). Readings sent = total time ÷ time between readings, in the same units.

1. 1.What does the sensor do? (a) acts on a command (b) measures the real world (c) carries the data (d) reads values, decides
2. 2.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 7 minutes?
3. 3.What does the Wi-Fi link do? (a) measures the real world (b) shows data to you (c) reads values, decides (d) carries the data
4. 4.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 60 readings take?
5. 5.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 9 minutes?
6. 6.🌐 In an IoT system, which part acts on a command? (a) actuator (b) phone app (c) sensor (d) cloud server
7. 7.🔍 Which is the odd one out? (a) a pencil sharpener (b) a plain table fan (c) a Wi-Fi doorbell camera (d) a plain wall switch
8. 8.🌐 In an IoT system, which part measures the real world? (a) microcontroller (b) Wi-Fi (c) actuator (d) sensor
9. 9.🌐 What does IoT stand for? (a) Internet of Talk (b) Inside of Toys (c) Internet of Things (d) Input of Tools
10. 10.🌐 In an IoT system, which part reads values, decides? (a) actuator (b) microcontroller (c) sensor (d) phone app
11. 11.What does the microcontroller do? (a) carries the data (b) acts on a command (c) reads values, decides (d) shows data to you
12. 12.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 30 readings take?
13. 13.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 2 hours?
14. 14.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) an IoT device (b) not an IoT device
15. 15.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a plain wall switch (c) a pencil sharpener (d) a wind-up clock
16. 16.🏠 Which is a smart-home example? (a) a printed map (b) a hand fan (c) lights on from an app (d) a candle in a jar
17. 17.🔢 To get a sensor reading onto a phone, which comes first: “the cloud stores it” or “the app shows it”? (a) the cloud stores it (b) the app shows it
18. 18.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 2 minutes?
19. 19.What does the cloud server do? (a) stores data online (b) reads values, decides (c) shows data to you (d) acts on a command
20. 20.🔢 To get a sensor reading onto a phone, which comes first: “the board reads it” or “it is sent by Wi-Fi”? (a) the board reads it (b) it is sent by Wi-Fi
21. 21.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) a plain table fan (c) a fitness band with app (d) an app-controlled bulb
22. 22.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the sensor measures (b) the cloud stores it (c) the board reads it (d) it is sent by Wi-Fi
23. 23.What does the actuator do? (a) acts on a command (b) reads values, decides (c) stores data online (d) carries the data
24. 24.Which of these is not an IoT device? (a) a smart energy meter (b) a plain wall switch (c) a Wi-Fi smart plug (d) an app-controlled bulb
25. 25.🔍 Which is the odd one out? (a) a pencil sharpener (b) a plain wall switch (c) a plain table fan (d) a fitness band with app
26. 26.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 2 hours?
27. 27.🌐 Is a plain wall switch an IoT device? (a) an IoT device (b) not an IoT device
28. 28.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 2 minutes?
29. 29.🌐 Is a Wi-Fi smart plug an IoT device? (a) not an IoT device (b) an IoT device
30. 30.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 3 minutes?
31. 31.🌐 Is a Wi-Fi weather station an IoT device? (a) not an IoT device (b) an IoT device
32. 32.🌐 Is an app-controlled bulb an IoT device? (a) not an IoT device (b) an IoT device
33. 33.🔢 To get a sensor reading onto a phone, which comes first: “the board reads it” or “the sensor measures”? (a) the sensor measures (b) the board reads it
34. 34.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 110 readings take?
35. 35.🔍 Which is the odd one out? (a) a plain wall switch (b) a Wi-Fi weather station (c) a paper calendar (d) a plain table fan
36. 36.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 1 hour?
37. 37.Which of these is not an IoT device? (a) a wind-up clock (b) a smart energy meter (c) an app-controlled bulb (d) a Wi-Fi weather station
38. 38.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 6 minutes?
39. 39.🔍 Which is the odd one out? (a) a Wi-Fi doorbell camera (b) a smart energy meter (c) a pencil sharpener (d) an app-controlled bulb
40. 40.Which of these is an IoT device? (a) a pencil sharpener (b) a plain wall switch (c) a paper calendar (d) a fitness band with app

Free electronics lessons, practice and worksheets at talentjr.in/electronics-for-kids