App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 14 · 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 is a button? (a) a date picker (b) tap to Save (c) a box to type a name (d) your friends list
2. 2.True or false: an app is installed on a phone. (a) True (b) False
3. 3.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) add money received (b) pie-chart colours (c) savings stickers (d) export to a file
4. 4.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 370; // typed by the user
   line 2: let off = 50; // typed by the user
   line 3: let pay = price - off;
   line 4: show(pay); (a) line 4 (b) line 1 (c) line 2 (d) line 3
5. 5.📅 An app team plans for 5 days, builds for 11 days, tests for 3 days and releases on 1 more day. How many more days does building take than testing?
6. 6.⚙️ In an app, is typing your age an input, processing or an output? (a) input (b) output (c) processing
7. 7.📅 An app team plans for 3 days, builds for 4 days, tests for 2 days and releases on 1 more day. How many more days does building take than testing?
8. 8.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) a dark mode (b) rate the driver (c) show arrival time (d) change the bus icon
9. 9.Which of these is processing? (a) adding up a bill (b) a beep sound (c) taking a photo (d) typing your age
10. 10.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) water animations (b) log a glass of water (c) share your streak (d) custom alert sounds
11. 11.🛠️ At which stage do you put it on an app store? (a) the idea stage (b) the build stage (c) the plan stage (d) the release stage
12. 12.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 230; // typed by the user
    line 2: let off = 50; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 3 (b) line 1 (c) line 2 (d) line 4
13. 13.⚙️ In an app, is a result on screen an input, processing or an output? (a) input (b) processing (c) output
14. 14.Which of these is data? (a) tap to go Next (b) a box to type a name (c) a date picker (d) your high score
15. 15.🗒️ 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: 4 days
    check the answer: 3 days
    show the score: 4 days
16. 16.🔢 When you make an app, which comes first: “plan the screens” or “build the app”? (a) plan the screens (b) build the app
17. 17.🗒️ 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: 3 days
    add money spent: 3 days
    show the balance: 5 days
18. 18.👥 A cricket club app has 120 players, 60 coaches and 160 fans as users. Which user group is the biggest? (a) coaches (b) players (c) fans
19. 19.🔢 When you make an app, what comes right after “plan the screens”? (a) build the app (b) release it (c) get an idea (d) test the app
20. 20.Which of these is true of an app? (a) opens in a web browser (b) has a web address (c) opens from a link (d) updates from the store
21. 21.🎯 Is this a user need or a feature: “I keep missing the bus”? (a) a user need (b) a feature
22. 22.Which of these is an input? (a) your high score (b) your friends list (c) the home page of an app (d) a box to type a name
23. 23.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting homework: 20 votes
    missing the bus: 7 votes
    no quiet study place: 23 votes (a) no quiet study place (b) forgetting homework (c) missing the bus
24. 24.💡 Which app idea solves this problem: friends argue over who pays? (a) a lost-and-found board (b) a bill splitter (c) a homework planner (d) a medicine reminder
25. 25.👥 A cricket club app has 135 players, 65 coaches and 70 fans as users. Which user group is the biggest? (a) players (b) fans (c) coaches
26. 26.Which of these app ideas solves a real problem? (a) a blank grey screen (b) an app that just says hi (c) a page of random dots (d) a lost-and-found board
27. 27.True or false: a buzz (vibration) is an input. (a) True (b) False
28. 28.🎯 Is this a user need or a feature: a share button? (a) a feature (b) a user need
29. 29.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting birthdays: 5 votes
    wasting pocket money: 19 votes
    forgetting homework: 12 votes
30. 30.🔍 Which is the odd one out? (a) a times-table quiz (b) a racing challenge (c) a puzzle with levels (d) a cricket run chase
31. 31.True or false: you add the buttons at the build stage. (a) False (b) True
32. 32.True or false: your saved notes is a button. (a) False (b) True
33. 33.📅 An app team plans for 5 days, builds for 6 days, tests for 3 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
34. 34.⚙️ In an app, is tapping a button an input, processing or an output? (a) input (b) processing (c) output
35. 35.🗂️ What kind of app is a sleep tracker? (a) a learning app (b) a tool app (c) a health app (d) a game
36. 36.📱 Where do people usually download phone apps from? (a) a printer (b) a charger (c) a web server (d) an app store
37. 37.📅 An app team plans for 4 days, builds for 5 days, tests for 1 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
38. 38.📅 An app team plans for 3 days, builds for 11 days, tests for 1 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
39. 39.🗒️ 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: 1 days
    add money spent: 2 days
    show the balance: 5 days
40. 40.True or false: tap to Start is data. (a) True (b) False

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