App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 355 · 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.🧩 In an app, what is tap to go Next? (a) a button (b) data (c) an input (d) a screen
2. 2.🔢 When you make an app, which comes first: “get an idea” or “test the app”? (a) get an idea (b) test the app
3. 3.🗒️ What is a must-have feature? (a) a colour theme (b) one the app cannot skip (c) a nice extra (d) a sound effect
4. 4.Which of these happens at the plan stage? (a) sketch the screens (b) try every button (c) add the buttons (d) write down the bugs
5. 5.🧩 In an app, what is tap to Send? (a) data (b) an input (c) a screen (d) a button
6. 6.🔢 When you make an app, which comes first: “build the app” or “plan the screens”? (a) build the app (b) plan the screens
7. 7.⚙️ What number does this app show?
   let price = 15; // typed by the user
   let qty = 4; // typed by the user
   let total = price * qty;
   show(total);
8. 8.🎯 Which app would help this user most: a runner who forgets to sip water? (a) a water reminder (b) a bus tracker (c) a pocket-money tracker (d) a homework planner
9. 9.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) water animations (b) see today’s total (c) set a reminder time (d) log a glass of water
10. 10.🧩 Which of these is a button on this screen?
    [title] Edit Profile
    [button] Save
    [button] Help
    [text box] Due date
    [text box] City
    [button] Next (a) Save (b) Due date (c) City
11. 11.🔍 Which is the odd one out? (a) working out a tip (b) adding up a bill (c) sorting the scores (d) a buzz (vibration)
12. 12.⚙️ What number does this app show?
    let bill = 40; // typed by the user
    let friends = 4; // typed by the user
    let share = bill / friends;
    show(share);
13. 13.🗒️ You are planning version 1 of a bus tracker. Which feature can WAIT for a later version? (a) pick your bus stop (b) show arrival time (c) see where the bus is (d) change the bus icon
14. 14.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting homework: 10 votes
    missing the bus: 24 votes
    no quiet study place: 9 votes
15. 15.True or false: tap to go Next is an input. (a) True (b) False
16. 16.Which of these app ideas solves a real problem? (a) an app that just says hi (b) a button with no action (c) a free study-room finder (d) a blank grey screen
17. 17.🔢 When you make an app, which comes LAST? (a) get an idea (b) test the app (c) release it (d) plan the screens
18. 18.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 90; // 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 3 (b) line 4 (c) line 2 (d) line 1
19. 19.True or false: a torch is a learning app. (a) True (b) False
20. 20.🎯 Which app would help this user most: a student who keeps forgetting due dates? (a) a pocket-money tracker (b) a homework planner (c) a water reminder (d) a bus tracker
21. 21.🧩 Which of these is a button on this screen?
    [title] New Note
    [switch] Remind me
    [button] Start
    [button] Save
    [slider] Brightness
    [text box] Due date (a) Start (b) Remind me (c) Due date (d) Brightness
22. 22.🗒️ Version 1 of a quiz app must be ready in 13 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: 5 days
23. 23.🛠️ At which stage do you pick the features? (a) the idea stage (b) the build stage (c) the release stage (d) the plan stage
24. 24.📊 Survey: which problem bugs you most? How many students voted in all?
    wasting pocket money: 21 votes
    forgetting homework: 23 votes
    forgetting birthdays: 13 votes
25. 25.Which of these is a feature? (a) “I forget my homework” (b) “What should I cook?” (c) “I keep missing the bus” (d) a reminder alarm
26. 26.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Edit Profile
    [text box] City
    [button] Cancel
    [switch] Sound
    [text box] Notes
    [button] Start
    [slider] Text size
    [button] Next
    [text box] Phone
27. 27.True or false: the log-in page is a screen. (a) True (b) False
28. 28.Which of these happens at the test stage? (a) write down the bugs (b) talk to possible users (c) connect the data (d) list what users need
29. 29.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) show the score (b) confetti effects (c) show a question (d) check the answer
30. 30.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Sign Up
    [text box] Name
    [button] Done
    [switch] Dark mode
    [button] Back
    [slider] Brightness
    [text box] Due date
    [button] Save
31. 31.🔍 Which is the odd one out? (a) a calculator (b) a unit converter (c) a torch (d) a step counter
32. 32.💡 Which app idea solves this problem: the library is always full? (a) a lost-and-found board (b) a homework planner (c) a study-room finder (d) a medicine reminder
33. 33.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [switch] Dark mode
    [text box] Subject
    [text box] Phone
    [text box] City
    [button] Send
34. 34.🧩 How many buttons does this app screen have?
    [title] New Note
    [text box] Name
    [button] Start
    [button] Save
35. 35.📊 Survey: which problem bugs you most? How many students voted in all?
    losing water bottles: 21 votes
    missing the bus: 16 votes
    forgetting homework: 24 votes
36. 36.📊 Survey: which problem bugs you most? How many students voted in all?
    missing the bus: 20 votes
    no quiet study place: 10 votes
    losing water bottles: 3 votes
37. 37.📅 An app team plans for 4 days, builds for 9 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 2 days, builds for 5 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
39. 39.🧩 Which of these is a button on this screen?
    [title] Sign Up
    [text box] City
    [button] Cancel
    [switch] Dark mode
    [slider] Text size (a) Dark mode (b) Text size (c) City (d) Cancel
40. 40.True or false: a recipe finder is the best fit for a parent waiting at the bus stop. (a) True (b) False

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