Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 177 · 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.🌐 In an IoT system, which part measures the real world? (a) cloud server (b) microcontroller (c) sensor (d) Wi-Fi
2. 2.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 50 readings take?
3. 3.🏠 Which is a smart-home example? (a) lights on from an app (b) a candle in a jar (c) a printed map (d) a hand fan
4. 4.🌐 In an IoT system, which part reads values, decides? (a) cloud server (b) Wi-Fi (c) sensor (d) microcontroller
5. 5.🌐 Is a smart energy meter an IoT device? (a) an IoT device (b) not an IoT device
6. 6.🔍 Which is the odd one out? (a) a battery torch (b) a plain table fan (c) a paper calendar (d) a fitness band with app
7. 7.🔍 Which is the odd one out? (a) a battery torch (b) a Wi-Fi weather station (c) a Wi-Fi smart plug (d) a smart energy meter
8. 8.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the cloud stores it (b) it is sent by Wi-Fi (c) the app shows it (d) the sensor measures
9. 9.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 6 hours?
10. 10.What does the cloud server do? (a) acts on a command (b) stores data online (c) shows data to you (d) measures the real world
11. 11.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 80 readings take?
12. 12.🌐 What does IoT stand for? (a) Inside of Toys (b) Input of Tools (c) Internet of Things (d) Internet of Talk
13. 13.🌐 In an IoT system, which part acts on a command? (a) microcontroller (b) sensor (c) phone app (d) actuator
14. 14.🔢 To get a sensor reading onto a phone, what comes right after “it is sent by Wi-Fi”? (a) the board reads it (b) the app shows it (c) the sensor measures (d) the cloud stores it
15. 15.🔢 To get a sensor reading onto a phone, which comes first: “the sensor measures” or “the app shows it”? (a) the app shows it (b) the sensor measures
16. 16.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 6 minutes?
17. 17.🌐 Is a Wi-Fi smart plug an IoT device? (a) not an IoT device (b) an IoT device
18. 18.🌐 How does a home IoT device usually send its data to the app? (a) by shouting (b) over Wi-Fi (c) by post (d) through a candle
19. 19.🔍 Which is the odd one out? (a) a plain wall switch (b) a battery torch (c) a paper calendar (d) a Wi-Fi doorbell camera
20. 20.🌐 Is a Wi-Fi weather station an IoT device? (a) not an IoT device (b) an IoT device
21. 21.🌐 Is a pencil sharpener an IoT device? (a) not an IoT device (b) an IoT device
22. 22.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a paper calendar (c) a wind-up clock (d) a plain table fan
23. 23.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 130 readings take?
24. 24.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 110 readings take?
25. 25.What does the actuator do? (a) stores data online (b) shows data to you (c) acts on a command (d) reads values, decides
26. 26.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) a pencil sharpener (c) a battery torch (d) a paper calendar
27. 27.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 180 readings take?
28. 28.What does the sensor do? (a) carries the data (b) measures the real world (c) reads values, decides (d) acts on a command
29. 29.Which of these is not an IoT device? (a) a Wi-Fi doorbell camera (b) a Wi-Fi smart plug (c) a smart energy meter (d) a pencil sharpener
30. 30.What does the microcontroller do? (a) stores data online (b) reads values, decides (c) measures the real world (d) carries the data
31. 31.Which of these is not an IoT device? (a) a paper calendar (b) an app-controlled bulb (c) a Wi-Fi weather station (d) a Wi-Fi doorbell camera
32. 32.🔢 To get a sensor reading onto a phone, which comes first: “the sensor measures” or “the cloud stores it”? (a) the sensor measures (b) the cloud stores it
33. 33.🌐 Is a plain wall switch an IoT device? (a) an IoT device (b) not an IoT device
34. 34.🔍 Which is the odd one out? (a) a smart energy meter (b) an app-controlled bulb (c) a Wi-Fi smart plug (d) a wind-up clock
35. 35.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 5 minutes?
36. 36.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 5 hours?
37. 37.🌐 Is a battery torch an IoT device? (a) not an IoT device (b) an IoT device
38. 38.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 5 hours?
39. 39.Which of these is an IoT device? (a) a plain table fan (b) an app-controlled bulb (c) a wind-up clock (d) a paper calendar
40. 40.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “it is sent by Wi-Fi”? (a) the app shows it (b) it is sent by Wi-Fi

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