Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 395 · 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.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 3 minutes?
2. 2.🔍 Which is the odd one out? (a) a plain wall switch (b) a Wi-Fi smart plug (c) a smart energy meter (d) a fitness band with app
3. 3.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 8 minutes?
4. 4.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) an IoT device (b) not an IoT device
5. 5.🌐 In an IoT system, which part reads values, decides? (a) sensor (b) Wi-Fi (c) phone app (d) microcontroller
6. 6.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 5 minutes?
7. 7.🌐 In an IoT system, which part measures the real world? (a) sensor (b) cloud server (c) phone app (d) microcontroller
8. 8.Which of these is not an IoT device? (a) a smart energy meter (b) a Wi-Fi weather station (c) a Wi-Fi doorbell camera (d) a paper calendar
9. 9.🌐 In an IoT system, which part shows data to you? (a) actuator (b) Wi-Fi (c) phone app (d) sensor
10. 10.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 100 readings take?
11. 11.🔢 To get a sensor reading onto a phone, which comes first: “the board reads it” or “the sensor measures”? (a) the board reads it (b) the sensor measures
12. 12.Which of these is not an IoT device? (a) a smart energy meter (b) a Wi-Fi doorbell camera (c) an app-controlled bulb (d) a plain table fan
13. 13.🌐 Is a plain table fan an IoT device? (a) an IoT device (b) not an IoT device
14. 14.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 200 readings take?
15. 15.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the app shows it (b) the sensor measures (c) the board reads it (d) the cloud stores it
16. 16.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 120 readings take?
17. 17.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 4 minutes?
18. 18.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 9 minutes?
19. 19.Which of these is not an IoT device? (a) a Wi-Fi doorbell camera (b) a pencil sharpener (c) a Wi-Fi weather station (d) a smart energy meter
20. 20.What does the microcontroller do? (a) stores data online (b) measures the real world (c) shows data to you (d) reads values, decides
21. 21.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 60 readings take?
22. 22.🔍 Which is the odd one out? (a) a Wi-Fi doorbell camera (b) a smart energy meter (c) a Wi-Fi smart plug (d) a pencil sharpener
23. 23.🌐 Is a Wi-Fi smart plug an IoT device? (a) not an IoT device (b) an IoT device
24. 24.What does the cloud server do? (a) measures the real world (b) stores data online (c) reads values, decides (d) carries the data
25. 25.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 1 hour?
26. 26.🔢 To get a sensor reading onto a phone, which comes first: “it is sent by Wi-Fi” or “the sensor measures”? (a) the sensor measures (b) it is sent by Wi-Fi
27. 27.🌐 Is a Wi-Fi weather station an IoT device? (a) an IoT device (b) not an IoT device
28. 28.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 2 hours?
29. 29.🔢 To get a sensor reading onto a phone, what comes right after “the board reads it”? (a) the sensor measures (b) it is sent by Wi-Fi (c) the cloud stores it (d) the app shows it
30. 30.What does the sensor do? (a) measures the real world (b) acts on a command (c) carries the data (d) shows data to you
31. 31.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 4 hours?
32. 32.🔍 Which is the odd one out? (a) a pencil sharpener (b) a battery torch (c) a plain wall switch (d) a Wi-Fi weather station
33. 33.Which of these is not an IoT device? (a) an app-controlled bulb (b) a fitness band with app (c) a plain wall switch (d) a Wi-Fi smart plug
34. 34.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 10 minutes?
35. 35.🌐 In an IoT system, which part carries the data? (a) cloud server (b) Wi-Fi (c) microcontroller (d) phone app
36. 36.🌐 Is a smart energy meter an IoT device? (a) not an IoT device (b) an IoT device
37. 37.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a Wi-Fi weather station (c) a Wi-Fi doorbell camera (d) a wind-up clock
38. 38.🌐 What does IoT stand for? (a) Input of Tools (b) Inside of Toys (c) Internet of Talk (d) Internet of Things
39. 39.Which of these is an IoT device? (a) a plain wall switch (b) an app-controlled bulb (c) a pencil sharpener (d) a wind-up clock
40. 40.🔢 To get a sensor reading onto a phone, what comes right after “the cloud stores it”? (a) the sensor measures (b) the board reads it (c) the app shows it (d) it is sent by Wi-Fi

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