App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 547 · 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 is the odd one out? (a) a sleep tracker (b) a water reminder (c) a calculator (d) a step counter
2. 2.🧩 In an app, what is a box to type a name? (a) a button (b) data (c) an input (d) a screen
3. 3.Which of these is a button? (a) the settings page (b) tap to Save (c) your saved notes (d) your high score
4. 4.⚙️ What number does this app show?
   let price = 20; // typed by the user
   let qty = 2; // typed by the user
   let total = price * qty;
   show(total);
5. 5.💡 Does an app idea like a page of random dots solve a real problem? (a) Yes (b) No
6. 6.Which of these is true of an app? (a) needs no installing (b) opens from a link (c) has a web address (d) is installed on a phone
7. 7.🔍 Which is the odd one out? (a) a water reminder (b) a racing challenge (c) a step counter (d) a sleep tracker
8. 8.True or false: a pocket-money tracker is the best fit for a child saving up for a cycle. (a) True (b) False
9. 9.🧩 Which of these is a button on this screen?
   [title] Edit Profile
   [switch] Dark mode
   [button] Start
   [button] Next
   [text box] Phone
   [button] Help (a) Phone (b) Start (c) Dark mode
10. 10.Which of these app ideas solves no real problem? (a) a library due-date alert (b) a lost-and-found board (c) a button with no action (d) a free study-room finder
11. 11.🔢 After an app is released, which comes FIRST? (a) release an update (b) read user reviews (c) fix and improve (d) test it again
12. 12.🛠️ At which stage do you pick the features? (a) the test stage (b) the idea stage (c) the build stage (d) the plan stage
13. 13.🗒️ Version 1 of a water reminder must be ready in 14 days. How many days are left for extras after the must-haves?
    set a reminder time: 4 days
    log a glass of water: 4 days
    see today’s total: 3 days
14. 14.🗒️ Version 1 of a bus tracker must be ready in 15 days. How many days are left for extras after the must-haves?
    see where the bus is: 4 days
    show arrival time: 2 days
    pick your bus stop: 4 days
15. 15.📱 Which one opens from a link: an app or a website? (a) an app (b) a website
16. 16.Which of these is a screen? (a) tap to Start (b) a box to type a name (c) the settings page (d) your high score
17. 17.Which of these is processing? (a) a buzz (vibration) (b) a pop-up message (c) a beep sound (d) sorting the scores
18. 18.True or false: a sleep tracker is a tool app. (a) False (b) True
19. 19.True or false: a website comes from an app store. (a) False (b) True
20. 20.🧩 How many buttons does this app screen have?
    [title] Settings
    [button] Send
    [text box] Subject
    [slider] Text size
21. 21.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) water animations (b) share your streak (c) log a glass of water (d) custom alert sounds
22. 22.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Edit Profile
    [slider] Volume
    [button] Send
    [button] Back
    [text box] Notes
    [button] Cancel
23. 23.True or false: a torch is a learning app. (a) True (b) False
24. 24.🗒️ What is a must-have feature? (a) a sound effect (b) one the app cannot skip (c) a nice extra (d) a colour theme
25. 25.Which of these is data? (a) the home page of an app (b) your saved notes (c) tap to Save (d) the settings page
26. 26.🔢 When you make an app, which comes first: “build the app” or “get an idea”? (a) get an idea (b) build the app
27. 27.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    no quiet study place: 21 votes
    losing water bottles: 3 votes
    forgetting homework: 20 votes (a) losing water bottles (b) forgetting homework (c) no quiet study place
28. 28.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 10; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 2 (b) line 3 (c) line 1
29. 29.👥 A library app has 160 readers, 195 librarians and 30 volunteers as users. How many more readers than volunteers are there?
30. 30.💡 Does an app idea like a bill splitter solve a real problem? (a) No (b) Yes
31. 31.Which of these is an output? (a) speaking a command (b) a result on screen (c) adding up a bill (d) typing your age
32. 32.🗒️ 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: 2 days
    check the answer: 4 days
    show the score: 5 days
33. 33.⚙️ In an app, is a pop-up message an input, processing or an output? (a) output (b) input (c) processing
34. 34.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 30; // typed by the user
    line 2: let qty = 2; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 2 (b) line 1 (c) line 3 (d) line 4
35. 35.🧩 Which of these is a button on this screen?
    [title] Edit Profile
    [text box] Age
    [text box] Name
    [button] Back
    [text box] Notes
    [slider] Volume (a) Name (b) Back (c) Age (d) Notes
36. 36.📅 An app team plans for 3 days, builds for 6 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
37. 37.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting homework: 7 votes
    losing water bottles: 11 votes
    wasting pocket money: 18 votes (a) losing water bottles (b) forgetting homework (c) wasting pocket money
38. 38.🗂️ What kind of app is a step counter? (a) a game (b) a health app (c) a tool app (d) a learning app
39. 39.🎯 Is this a user need or a feature: a reminder alarm? (a) a feature (b) a user need
40. 40.🌐 Which program do you need to open a website? (a) a camera app (b) a web browser (c) an app store (d) a calculator

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