App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 212 · 40 questions

Developer's tip (Name the topic): First decide which topic the question is about. Use that lesson’s rule: count, order, match or work it out. Read every line of a screen or a code snippet before you answer.

1. 1.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) change the bus icon (b) a dark mode (c) rate the driver (d) see where the bus is
2. 2.⚙️ Which line does the processing (works out the answer)?
   line 1: let bill = 135; // typed by the user
   line 2: let friends = 5; // typed by the user
   line 3: let share = bill / friends;
   line 4: show(share); (a) line 2 (b) line 3 (c) line 1 (d) line 4
3. 3.Which of these is true of a website? (a) is installed on a phone (b) has a home-screen icon (c) updates from the store (d) opens in a web browser
4. 4.🔍 Which is the odd one out? (a) sorting the scores (b) adding up a bill (c) tapping a button (d) checking a password
5. 5.True or false: you list what users need at the release stage. (a) True (b) False
6. 6.🗂️ What kind of app is an alarm clock? (a) a health app (b) a game (c) a tool app (d) a learning app
7. 7.Which of these happens at the plan stage? (a) share the download link (b) write the code (c) pick the features (d) list what users need
8. 8.True or false: a lost-and-found board solves no real problem. (a) False (b) True
9. 9.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Settings
   [text box] Subject
   [button] Save
10. 10.🔍 Which is the odd one out? (a) taking a photo (b) a buzz (vibration) (c) a beep sound (d) a pop-up message
11. 11.True or false: a website comes from an app store. (a) True (b) False
12. 12.🔍 Which is the odd one out? (a) write the code (b) add the buttons (c) try every button (d) connect the data
13. 13.True or false: a times-table quiz is a learning app. (a) True (b) False
14. 14.🔍 Which is the odd one out? (a) a racing challenge (b) a puzzle with levels (c) a cricket run chase (d) a step counter
15. 15.👥 A school app has 285 students, 35 teachers and 125 parents as users. How many users does it have in all?
16. 16.🔍 Which is the odd one out? (a) share the download link (b) write the store text (c) sketch the screens (d) put it on an app store
17. 17.Which of these is a user need? (a) a dark mode switch (b) a reminder alarm (c) a share button (d) “Small text is hard”
18. 18.Which of these is a user need? (a) a share button (b) a dark mode switch (c) a reminder alarm (d) “I forget my homework”
19. 19.🔍 Which is the odd one out? (a) a step counter (b) a water reminder (c) a sleep tracker (d) an alarm clock
20. 20.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) pick a theme colour (b) add a homework task (c) share tasks to friends (d) earn stickers
21. 21.📅 An app team plans for 4 days, builds for 11 days, tests for 3 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
22. 22.👥 A library app has 225 readers, 75 librarians and 65 volunteers as users. How many users does it have in all?
23. 23.👥 A clinic app has 155 patients, 50 doctors and 60 nurses as users. Which user group is the biggest? (a) doctors (b) patients (c) nurses
24. 24.🗒️ What is a must-have feature? (a) a colour theme (b) one the app cannot skip (c) a sound effect (d) a nice extra
25. 25.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 20; // typed by the user
    line 2: let qty = 6; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 1 (b) line 3 (c) line 4 (d) line 2
26. 26.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting homework: 9 votes
    wasting pocket money: 7 votes
    losing water bottles: 4 votes (a) wasting pocket money (b) losing water bottles (c) forgetting homework
27. 27.True or false: a puzzle with levels is a game. (a) False (b) True
28. 28.🧩 Which input is best for turning something ON or OFF? (a) a switch (b) a title (c) a text box (d) a slider
29. 29.🔍 Which is the odd one out? (a) a torch (b) a sleep tracker (c) a unit converter (d) a calculator
30. 30.True or false: a racing challenge is a health app. (a) True (b) False
31. 31.🧩 In an app, what is a switch for dark mode? (a) an input (b) a screen (c) data (d) a button
32. 32.🎯 Is this a user need or a feature: a search bar? (a) a feature (b) a user need
33. 33.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) log a glass of water (b) custom alert sounds (c) share your streak (d) water animations
34. 34.📱 Which one is installed on a phone: an app or a website? (a) an app (b) a website
35. 35.True or false: a torch is a health app. (a) False (b) True
36. 36.📱 Where do people usually download phone apps from? (a) a web server (b) a charger (c) an app store (d) a printer
37. 37.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) pick a theme colour (b) see tasks by day (c) earn stickers (d) share tasks to friends
38. 38.📱 Which one needs no installing: an app or a website? (a) an app (b) a website
39. 39.🔢 When you make an app, which comes first: “get an idea” or “plan the screens”? (a) plan the screens (b) get an idea
40. 40.⚙️ In an app, is speaking a command an input, processing or an output? (a) input (b) output (c) processing

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