App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 268 · 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.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   wasting pocket money: 7 votes
   forgetting homework: 4 votes
   no quiet study place: 6 votes (a) no quiet study place (b) forgetting homework (c) wasting pocket money
2. 2.🛠️ At which stage do you try every button? (a) the idea stage (b) the test stage (c) the build stage (d) the plan stage
3. 3.📱 Where do people usually download phone apps from? (a) a web server (b) a printer (c) an app store (d) a charger
4. 4.🔍 Which is the odd one out? (a) talk to possible users (b) try every button (c) list what users need (d) spot a problem to solve
5. 5.💡 Does an app idea like a bill splitter solve a real problem? (a) Yes (b) No
6. 6.🗒️ Version 1 of a homework planner must be ready in 11 days. How many days are left for extras after the must-haves?
   add a homework task: 1 days
   set a due date: 3 days
   see tasks by day: 4 days
7. 7.🔍 Which is the odd one out? (a) a pop-up message (b) a beep sound (c) a result on screen (d) working out a tip
8. 8.True or false: a slider for volume is a screen. (a) False (b) True
9. 9.🗒️ Version 1 of a homework planner must be ready in 7 days. How many days are left for extras after the must-haves?
   add a homework task: 1 days
   set a due date: 1 days
   see tasks by day: 3 days
10. 10.Which of these is an input? (a) tap to Send (b) the settings page (c) a slider for volume (d) your saved notes
11. 11.⚙️ What number does this app show?
    let km = 6; // typed by the user
    let metres = km * 1000;
    show(metres);
12. 12.Which of these is a user need? (a) a share button (b) a search bar (c) “I forget my homework” (d) a reminder alarm
13. 13.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting homework: 16 votes
    wasting pocket money: 23 votes
    no quiet study place: 11 votes
14. 14.🔢 After an app is released, which comes FIRST? (a) read user reviews (b) list what to fix (c) test it again (d) release an update
15. 15.True or false: a page of random dots solves no real problem. (a) True (b) False
16. 16.🧩 How many buttons does this app screen have?
    [title] Order Snacks
    [button] Back
    [text box] Subject
    [button] Cancel
    [text box] Notes
    [switch] Show hints
17. 17.💡 Which app idea solves this problem: nobody knows whose bag it is? (a) a medicine reminder (b) a lost-and-found board (c) a bill splitter (d) a homework planner
18. 18.⚙️ In an app, is working out a tip an input, processing or an output? (a) output (b) input (c) processing
19. 19.🔍 Which is the odd one out? (a) a spelling coach (b) a flashcard trainer (c) a times-table quiz (d) a sleep tracker
20. 20.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Edit Profile
    [text box] Phone
    [button] Done
    [text box] Name
    [button] Cancel
21. 21.🎯 Which app would help this user most: a student who often misses the school bus? (a) a recipe finder (b) a bus tracker (c) a pocket-money tracker (d) a homework planner
22. 22.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting homework: 11 votes
    losing water bottles: 12 votes
    no quiet study place: 14 votes
23. 23.True or false: you write the store text at the idea stage. (a) True (b) False
24. 24.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) see today’s total (b) share your streak (c) log a glass of water (d) set a reminder time
25. 25.🗂️ What kind of app is a water reminder? (a) a health app (b) a tool app (c) a learning app (d) a game
26. 26.🔢 When you make an app, which comes LAST? (a) get an idea (b) release it (c) plan the screens (d) test the app
27. 27.🗒️ Version 1 of a quiz app must be ready in 12 days. How many days are left for extras after the must-haves?
    show a question: 3 days
    check the answer: 4 days
    show the score: 4 days
28. 28.Which of these is true of an app? (a) opens in a web browser (b) updates from the store (c) has a web address (d) opens from a link
29. 29.👥 A clinic app has 30 patients, 145 doctors and 75 nurses as users. How many users does it have in all?
30. 30.True or false: a water reminder is the best fit for a runner who forgets to sip water. (a) False (b) True
31. 31.🎯 Which app would help this user most: a teen learning to make snacks? (a) a big-text reader (b) a recipe finder (c) a homework planner (d) a water reminder
32. 32.📅 An app team plans for 3 days, builds for 6 days, tests for 2 days and releases on 1 more day. How many days does the whole project take?
33. 33.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) share your streak (b) custom alert sounds (c) water animations (d) set a reminder time
34. 34.True or false: a lost-and-found board solves a real problem. (a) True (b) False
35. 35.💡 An app that tries to do everything at once is usually ___. (a) easy to build (b) hard to use (c) finished fast (d) very small
36. 36.💡 A good app idea starts with ___. (a) a cool logo (b) a problem to solve (c) many colours (d) a long name
37. 37.⚙️ What number does this app show?
    let km = 2; // typed by the user
    let metres = km * 1000;
    show(metres);
38. 38.🧩 In an app, what is a switch for dark mode? (a) an input (b) a button (c) a screen (d) data
39. 39.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 138; // typed by the user
    line 2: let friends = 3; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share); (a) line 4 (b) line 2 (c) line 1 (d) line 3
40. 40.📱 Which one comes from an app store: an app or a website? (a) a website (b) an app

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