App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 429 · 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.💡 Does an app idea like a blank grey screen solve a real problem? (a) No (b) Yes
2. 2.⚙️ What number does this app show?
   let bill = 69; // typed by the user
   let friends = 3; // typed by the user
   let share = bill / friends;
   show(share);
3. 3.Which of these is true of an app? (a) is installed on a phone (b) needs no installing (c) opens from a link (d) opens in a web browser
4. 4.🎯 Which app would help this user most: a teen learning to make snacks? (a) a bus tracker (b) a homework planner (c) a recipe finder (d) a pocket-money tracker
5. 5.True or false: speaking a command is processing. (a) False (b) True
6. 6.🔢 When you make an app, which comes FIRST? (a) test the app (b) get an idea (c) release it (d) plan the screens
7. 7.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   forgetting homework: 16 votes
   no quiet study place: 6 votes
   losing water bottles: 21 votes (a) no quiet study place (b) forgetting homework (c) losing water bottles
8. 8.👥 A cricket club app has 125 players, 90 coaches and 130 fans as users. How many more fans than coaches are there?
9. 9.True or false: an app comes from an app store. (a) False (b) True
10. 10.👥 A school app has 255 students, 100 teachers and 50 parents as users. How many more students than parents are there?
11. 11.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) export to a file (b) pie-chart colours (c) add money received (d) savings stickers
12. 12.💡 A good app idea starts with ___. (a) a long name (b) a cool logo (c) a problem to solve (d) many colours
13. 13.💡 Which app idea solves this problem: projects pile up at once? (a) a lost-and-found board (b) a homework planner (c) a medicine reminder (d) a study-room finder
14. 14.🗒️ What is a must-have feature? (a) a sound effect (b) a nice extra (c) one the app cannot skip (d) a colour theme
15. 15.🗒️ Version 1 of a water reminder must be ready in 8 days. How many days are left for extras after the must-haves?
    set a reminder time: 4 days
    log a glass of water: 2 days
    see today’s total: 2 days
16. 16.🔢 After an app is released, which comes first: “list what to fix” or “fix and improve”? (a) fix and improve (b) list what to fix
17. 17.🗒️ 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: 5 days
18. 18.Which of these is true of a website? (a) needs no installing (b) is installed on a phone (c) comes from an app store (d) has a home-screen icon
19. 19.🗂️ What kind of app is a racing challenge? (a) a tool app (b) a health app (c) a learning app (d) a game
20. 20.🛠️ At which stage do you draw the user flow? (a) the build stage (b) the release stage (c) the idea stage (d) the plan stage
21. 21.👥 A clinic app has 75 patients, 175 doctors and 245 nurses as users. How many users does it have in all?
22. 22.🔍 Which is the odd one out? (a) a pop-up message (b) sorting the scores (c) working out a tip (d) adding up a bill
23. 23.True or false: a water reminder is the best fit for a gamer who forgets to drink. (a) False (b) True
24. 24.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 146; // typed by the user
    line 2: let friends = 2; // 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
25. 25.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) a dark mode (b) change the bus icon (c) pick your bus stop (d) rate the driver
26. 26.True or false: a website updates from the store. (a) True (b) False
27. 27.📅 An app team plans for 4 days, builds for 4 days, tests for 2 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
28. 28.🗒️ Version 1 of a homework planner must be ready in 12 days. How many days are left for extras after the must-haves?
    add a homework task: 4 days
    set a due date: 1 days
    see tasks by day: 4 days
29. 29.🔢 After an app is released, which comes first: “test it again” or “list what to fix”? (a) test it again (b) list what to fix
30. 30.📊 Survey: which problem bugs you most? How many students voted in all?
    missing the bus: 7 votes
    wasting pocket money: 14 votes
    forgetting birthdays: 4 votes
31. 31.True or false: a box to type a name is an input. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) checking a password (b) typing your age (c) adding up a bill (d) working out a tip
33. 33.🎯 Is this a user need or a feature: a share button? (a) a feature (b) a user need
34. 34.🧩 Which of these is a button on this screen?
    [title] Sign Up
    [button] Start
    [switch] Show hints
    [text box] Phone
    [button] Next
    [button] Send (a) Send (b) Phone (c) Show hints
35. 35.Which of these is data? (a) tap to Save (b) your saved notes (c) a date picker (d) the game-over page
36. 36.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Edit Profile
    [button] Send
    [switch] Remind me
    [text box] Notes
    [text box] Email
    [text box] City
37. 37.⚙️ What number does this app show?
    let price = 370; // typed by the user
    let off = 40; // typed by the user
    let pay = price - off;
    show(pay);
38. 38.🗂️ What kind of app is a sleep tracker? (a) a learning app (b) a health app (c) a game (d) a tool app
39. 39.📅 An app team plans for 2 days, builds for 4 days, tests for 3 days and releases on 1 more day. How many more days does building take than testing?
40. 40.True or false: a big-text reader is the best fit for a cook with no idea for dinner. (a) False (b) True

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