App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 207 · 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.⚙️ What number does this app show?
   let price = 50; // typed by the user
   let qty = 3; // typed by the user
   let total = price * qty;
   show(total);
2. 2.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Sign Up
   [text box] City
   [button] Start
   [button] Save
   [slider] Volume
   [button] Cancel
   [text box] Email
3. 3.🎯 Is this a user need or a feature: a search bar? (a) a feature (b) a user need
4. 4.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) see today’s total (b) log a glass of water (c) set a reminder time (d) share your streak
5. 5.True or false: a website needs no installing. (a) False (b) True
6. 6.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) custom alert sounds (b) share your streak (c) water animations (d) set a reminder time
7. 7.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) rate the driver (b) show arrival time (c) a dark mode (d) change the bus icon
8. 8.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   wasting pocket money: 11 votes
   missing the bus: 20 votes
   losing water bottles: 14 votes (a) missing the bus (b) wasting pocket money (c) losing water bottles
9. 9.🗒️ You are planning version 1 of a bus tracker. Which feature can WAIT for a later version? (a) see where the bus is (b) show arrival time (c) rate the driver (d) pick your bus stop
10. 10.🧩 Which part lets the user give the app information? (a) a title (b) a logo (c) an icon (d) an input
11. 11.🗒️ Version 1 of a homework planner must be ready in 10 days. How many days are left for extras after the must-haves?
    add a homework task: 2 days
    set a due date: 1 days
    see tasks by day: 2 days
12. 12.⚙️ What number does this app show?
    let bill = 171; // typed by the user
    let friends = 3; // typed by the user
    let share = bill / friends;
    show(share);
13. 13.💡 Which app idea solves this problem: a patient misses doses? (a) a study-room finder (b) a bill splitter (c) a medicine reminder (d) a homework planner
14. 14.🧩 What does a button do when you tap it? (a) changes the phone (b) shows the time (c) starts an action (d) saves the battery
15. 15.🗂️ What kind of app is a step counter? (a) a game (b) a tool app (c) a learning app (d) a health app
16. 16.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) background music (b) confetti effects (c) an avatar shop (d) check the answer
17. 17.True or false: tap to go Next is a button. (a) False (b) True
18. 18.Which of these is true of a website? (a) updates from the store (b) comes from an app store (c) has a home-screen icon (d) opens from a link
19. 19.📴 Which of these can often still work with no internet? (a) an installed app (b) an online search (c) a video call (d) a new website
20. 20.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting birthdays: 17 votes
    forgetting homework: 23 votes
    missing the bus: 7 votes
21. 21.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Sign Up
    [button] Cancel
    [slider] Text size
    [button] Save
    [switch] Dark mode
    [text box] Due date
    [text box] Name
22. 22.🎯 Is this a user need or a feature: “What should I cook?”? (a) a user need (b) a feature
23. 23.True or false: you pick the features at the release stage. (a) False (b) True
24. 24.🎯 Which app would help this user most: a student who keeps forgetting due dates? (a) a big-text reader (b) a homework planner (c) a bus tracker (d) a recipe finder
25. 25.📱 Which one is installed on a phone: an app or a website? (a) a website (b) an app
26. 26.True or false: a puzzle with levels is a learning app. (a) True (b) False
27. 27.True or false: the settings page is data. (a) True (b) False
28. 28.🛠️ At which stage do you connect the data? (a) the build stage (b) the plan stage (c) the release stage (d) the idea stage
29. 29.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Sign Up
    [button] Cancel
    [button] Save
    [switch] Show hints
    [text box] Age
    [slider] Volume
30. 30.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 520; // typed by the user
    line 2: let off = 20; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 1 (b) line 3 (c) line 4 (d) line 2
31. 31.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 10; // typed by the user
    line 2: let qty = 5; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 2 (b) line 4 (c) line 1 (d) line 3
32. 32.🧩 How many buttons does this app screen have?
    [title] New Note
    [text box] Name
    [button] Done
33. 33.💡 An app that tries to do everything at once is usually ___. (a) easy to build (b) finished fast (c) hard to use (d) very small
34. 34.True or false: a spelling coach is a learning app. (a) True (b) False
35. 35.Which of these is processing? (a) tapping a button (b) taking a photo (c) adding up a bill (d) typing your age
36. 36.True or false: checking a password is an input. (a) False (b) True
37. 37.Which of these app ideas solves a real problem? (a) a page of random dots (b) a bill splitter (c) a blank grey screen (d) a button with no action
38. 38.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) a dark mode (b) rate the driver (c) see where the bus is (d) change the bus icon
39. 39.🌐 Which program do you need to open a website? (a) a camera app (b) a calculator (c) an app store (d) a web browser
40. 40.🧩 In an app, what is tap to Send? (a) an input (b) data (c) a screen (d) a button

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