App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 421 · 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.Which of these happens at the plan stage? (a) let friends try it (b) pick the features (c) talk to possible users (d) list what users need
2. 2.⚙️ What number does this app show?
   let km = 11; // typed by the user
   let metres = km * 1000;
   show(metres);
3. 3.🗒️ The first small, working version of an app is often called an ___. (a) URL (b) FAQ (c) MVP (d) CPU
4. 4.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) set a due date (b) add a homework task (c) see tasks by day (d) pick a theme colour
5. 5.Which of these is true of an app? (a) is installed on a phone (b) has a web address (c) opens in a web browser (d) opens from a link
6. 6.🧩 Which of these is a button on this screen?
   [title] Sign Up
   [slider] Text size
   [switch] Dark mode
   [text box] Name
   [text box] Notes
   [button] Start (a) Start (b) Dark mode (c) Notes (d) Name
7. 7.True or false: your saved notes is data. (a) True (b) False
8. 8.True or false: you talk to possible users at the idea stage. (a) True (b) False
9. 9.⚙️ Which line does the processing (works out the answer)?
   line 1: let km = 6; // typed by the user
   line 2: let metres = km * 1000;
   line 3: show(metres); (a) line 3 (b) line 1 (c) line 2
10. 10.True or false: a bus tracker is the best fit for a runner who forgets to sip water. (a) False (b) True
11. 11.🔍 Which is the odd one out? (a) a spelling coach (b) a word battle (c) a flashcard trainer (d) a times-table quiz
12. 12.💡 Which app idea solves this problem: bottles go missing at school? (a) a study-room finder (b) a lost-and-found board (c) a bill splitter (d) a medicine reminder
13. 13.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) export to a file (b) add money spent (c) savings stickers (d) pie-chart colours
14. 14.🔢 After an app is released, which comes first: “fix and improve” or “read user reviews”? (a) fix and improve (b) read user reviews
15. 15.🗂️ What kind of app is a water reminder? (a) a tool app (b) a learning app (c) a game (d) a health app
16. 16.🔢 When you make an app, which comes LAST? (a) test the app (b) release it (c) get an idea (d) plan the screens
17. 17.🔍 Which is the odd one out? (a) write the code (b) add the buttons (c) connect the data (d) try every button
18. 18.Which of these is an input? (a) your high score (b) the log-in page (c) the settings page (d) a switch for dark mode
19. 19.🗂️ What kind of app is a cricket run chase? (a) a health app (b) a tool app (c) a learning app (d) a game
20. 20.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) see today’s total (b) set a reminder time (c) log a glass of water (d) water animations
21. 21.👥 A clinic app has 265 patients, 40 doctors and 250 nurses as users. Which user group is the biggest? (a) nurses (b) doctors (c) patients
22. 22.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting birthdays: 8 votes
    missing the bus: 20 votes
    no quiet study place: 11 votes (a) missing the bus (b) forgetting birthdays (c) no quiet study place
23. 23.📲 What happens when you tap an app’s icon? (a) the app is deleted (b) the sound turns off (c) the app opens (d) the phone charges
24. 24.⚙️ What number does this app show?
    let price = 55; // typed by the user
    let qty = 4; // typed by the user
    let total = price * qty;
    show(total);
25. 25.👥 A school app has 260 students, 25 teachers and 245 parents as users. How many more parents than teachers are there?
26. 26.Which of these is a user need? (a) a reminder alarm (b) a share button (c) “I keep missing the bus” (d) a search bar
27. 27.🔍 Which is the odd one out? (a) tapping a button (b) typing your age (c) speaking a command (d) working out a tip
28. 28.Which of these is a screen? (a) tap to go Next (b) tap to Save (c) today’s step count (d) the home page of an app
29. 29.💡 Does an app idea like a button with no action solve a real problem? (a) Yes (b) No
30. 30.True or false: a times-table quiz is a tool app. (a) True (b) False
31. 31.🔍 Which is the odd one out? (a) a times-table quiz (b) a puzzle with levels (c) a cricket run chase (d) a racing challenge
32. 32.True or false: a switch for dark mode is an input. (a) False (b) True
33. 33.True or false: an app updates from the store. (a) False (b) True
34. 34.🗒️ When should nice-to-have features be built? (a) on day one (b) after the must-haves (c) never (d) before anything
35. 35.💡 Which app idea solves this problem: pupils forget due dates? (a) a medicine reminder (b) a bill splitter (c) a homework planner (d) a study-room finder
36. 36.📱 Which one has a home-screen icon: an app or a website? (a) an app (b) a website
37. 37.Which of these is an input? (a) today’s step count (b) a box to type a name (c) the log-in page (d) tap to go Next
38. 38.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 234; // 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 1 (c) line 3 (d) line 2
39. 39.True or false: a box to type a name is data. (a) True (b) False
40. 40.🗒️ Version 1 of a pocket-money tracker must be ready in 13 days. How many days are left for extras after the must-haves?
    add money received: 4 days
    add money spent: 1 days
    show the balance: 2 days

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