Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 954 · 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.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 100 readings take?
2. 2.🌐 What does IoT stand for? (a) Internet of Things (b) Inside of Toys (c) Internet of Talk (d) Input of Tools
3. 3.What does the sensor do? (a) measures the real world (b) stores data online (c) acts on a command (d) reads values, decides
4. 4.🔍 Which is the odd one out? (a) a wind-up clock (b) a battery torch (c) a pencil sharpener (d) a Wi-Fi smart plug
5. 5.What does the cloud server do? (a) carries the data (b) shows data to you (c) measures the real world (d) stores data online
6. 6.🌐 Is a Wi-Fi smart plug an IoT device? (a) not an IoT device (b) an IoT device
7. 7.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 6 minutes?
8. 8.Which of these is not an IoT device? (a) an app-controlled bulb (b) a Wi-Fi weather station (c) a fitness band with app (d) a plain wall switch
9. 9.Which of these is an IoT device? (a) a wind-up clock (b) a smart energy meter (c) a paper calendar (d) a battery torch
10. 10.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 20 readings take?
11. 11.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 190 readings take?
12. 12.🌐 In an IoT system, which part shows data to you? (a) microcontroller (b) actuator (c) sensor (d) phone app
13. 13.What does the actuator do? (a) reads values, decides (b) measures the real world (c) acts on a command (d) stores data online
14. 14.🌐 In an IoT system, which part reads values, decides? (a) phone app (b) Wi-Fi (c) sensor (d) microcontroller
15. 15.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a Wi-Fi smart plug (c) a Wi-Fi doorbell camera (d) a wind-up clock
16. 16.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 2 minutes?
17. 17.🔢 To get a sensor reading onto a phone, what comes right after “the sensor measures”? (a) the cloud stores it (b) it is sent by Wi-Fi (c) the board reads it (d) the app shows it
18. 18.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) an app-controlled bulb (c) a Wi-Fi smart plug (d) a pencil sharpener
19. 19.🌐 How does a home IoT device usually send its data to the app? (a) over Wi-Fi (b) through a candle (c) by post (d) by shouting
20. 20.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 1 minute?
21. 21.🔍 Which is the odd one out? (a) a Wi-Fi doorbell camera (b) an app-controlled bulb (c) a Wi-Fi weather station (d) a plain table fan
22. 22.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) a wind-up clock (c) an app-controlled bulb (d) a smart energy meter
23. 23.🔢 To get a sensor reading onto a phone, which comes first: “it is sent by Wi-Fi” or “the cloud stores it”? (a) it is sent by Wi-Fi (b) the cloud stores it
24. 24.🔍 Which is the odd one out? (a) a fitness band with app (b) a Wi-Fi smart plug (c) a pencil sharpener (d) an app-controlled bulb
25. 25.Which of these is an IoT device? (a) a wind-up clock (b) a Wi-Fi smart plug (c) a plain wall switch (d) a battery torch
26. 26.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “the sensor measures”? (a) the app shows it (b) the sensor measures
27. 27.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) a Wi-Fi weather station (c) a battery torch (d) a fitness band with app
28. 28.What does the phone app do? (a) carries the data (b) measures the real world (c) shows data to you (d) acts on a command
29. 29.🌐 In an IoT system, which part carries the data? (a) phone app (b) Wi-Fi (c) microcontroller (d) sensor
30. 30.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 5 hours?
31. 31.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) an IoT device (b) not an IoT device
32. 32.Which of these is an IoT device? (a) a paper calendar (b) a plain wall switch (c) an app-controlled bulb (d) a pencil sharpener
33. 33.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 8 minutes?
34. 34.🔢 To get a sensor reading onto a phone, what comes right after “it is sent by Wi-Fi”? (a) the sensor measures (b) the app shows it (c) the board reads it (d) the cloud stores it
35. 35.🔢 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
36. 36.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a Wi-Fi weather station (c) a battery torch (d) a Wi-Fi smart plug
37. 37.🔍 Which is the odd one out? (a) a fitness band with app (b) a plain wall switch (c) a Wi-Fi doorbell camera (d) a Wi-Fi weather station
38. 38.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 60 readings take?
39. 39.🌐 Is a plain table fan an IoT device? (a) an IoT device (b) not an IoT device
40. 40.Which of these is not an IoT device? (a) a fitness band with app (b) a paper calendar (c) a Wi-Fi smart plug (d) an app-controlled bulb

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