App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 371 · 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 quiz app. Which feature can WAIT for a later version? (a) show the score (b) check the answer (c) confetti effects (d) show a question
2. 2.⚙️ What number does this app show?
   let price = 210; // typed by the user
   let off = 50; // typed by the user
   let pay = price - off;
   show(pay);
3. 3.True or false: an app has a web address. (a) True (b) False
4. 4.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) rate the driver (b) a dark mode (c) change the bus icon (d) pick your bus stop
5. 5.🔍 Which is the odd one out? (a) a step counter (b) a racing challenge (c) a word battle (d) a cricket run chase
6. 6.📅 An app team plans for 4 days, builds for 6 days, tests for 1 days and releases on 1 more day. How many more days does building take than testing?
7. 7.True or false: you try every button at the build stage. (a) True (b) False
8. 8.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) background music (b) an avatar shop (c) confetti effects (d) check the answer
9. 9.🎯 Which app would help this user most: a reader who finds small print hard? (a) a recipe finder (b) a water reminder (c) a big-text reader (d) a bus tracker
10. 10.📱 Where do people usually download phone apps from? (a) a web server (b) an app store (c) a charger (d) a printer
11. 11.💡 Does an app idea like an app that just says hi solve a real problem? (a) No (b) Yes
12. 12.🗒️ 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
13. 13.Which of these happens at the build stage? (a) let friends try it (b) list what users need (c) add the buttons (d) share the download link
14. 14.🔢 When you make an app, what comes right after “test the app”? (a) build the app (b) plan the screens (c) release it (d) get an idea
15. 15.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) add money spent (b) savings stickers (c) pie-chart colours (d) export to a file
16. 16.📊 Survey: which problem bugs you most? How many more votes did “forgetting homework” get than “missing the bus”?
    forgetting birthdays: 22 votes
    missing the bus: 12 votes
    forgetting homework: 18 votes
17. 17.Which of these app ideas solves a real problem? (a) a lost-and-found board (b) a button with no action (c) a blank grey screen (d) an app that just says hi
18. 18.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 3; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 3 (b) line 2 (c) line 1
19. 19.🔍 Which is the odd one out? (a) a step counter (b) a racing challenge (c) a water reminder (d) a sleep tracker
20. 20.🗒️ Version 1 of a quiz app must be ready in 15 days. How many days are left for extras after the must-haves?
    show a question: 1 days
    check the answer: 4 days
    show the score: 4 days
21. 21.True or false: you pick the features at the release stage. (a) False (b) True
22. 22.🔢 When you make an app, what comes right after “get an idea”? (a) release it (b) plan the screens (c) test the app (d) build the app
23. 23.🔍 Which is the odd one out? (a) share the download link (b) sketch the screens (c) pick the features (d) draw the user flow
24. 24.💡 Which app idea solves this problem: pupils forget due dates? (a) a lost-and-found board (b) a study-room finder (c) a homework planner (d) a medicine reminder
25. 25.True or false: an app that just says hi solves a real problem. (a) True (b) False
26. 26.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Settings
    [text box] Email
    [switch] Sound
    [button] Next
    [button] Save
    [slider] Volume
    [button] Cancel
    [text box] Name
    [text box] Due date
27. 27.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Sign Up
    [button] Cancel
    [button] Done
    [text box] Subject
    [text box] Due date
28. 28.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Sign Up
    [button] Done
    [text box] Notes
    [slider] Brightness
29. 29.Which of these happens at the plan stage? (a) put it on an app store (b) list what users need (c) write the store text (d) pick the features
30. 30.Which of these is processing? (a) speaking a command (b) a result on screen (c) tapping a button (d) sorting the scores
31. 31.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) share tasks to friends (b) pick a theme colour (c) earn stickers (d) see tasks by day
32. 32.⚙️ What number does this app show?
    let km = 15; // typed by the user
    let metres = km * 1000;
    show(metres);
33. 33.True or false: a page of random dots solves a real problem. (a) False (b) True
34. 34.🗂️ What kind of app is a puzzle with levels? (a) a health app (b) a tool app (c) a learning app (d) a game
35. 35.📱 Which one comes from an app store: an app or a website? (a) a website (b) an app
36. 36.🧩 In an app, what is a switch for dark mode? (a) a screen (b) data (c) a button (d) an input
37. 37.👥 A school app has 205 students, 220 teachers and 240 parents as users. How many more parents than teachers are there?
38. 38.⚙️ In an app, is typing your age an input, processing or an output? (a) processing (b) input (c) output
39. 39.⚙️ What number does this app show?
    let km = 2; // typed by the user
    let metres = km * 1000;
    show(metres);
40. 40.🧩 What do we call one full page of an app? (a) a battery (b) a cable (c) a screen (d) a variable

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