App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 31 · 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, is tapping a button an input, processing or an output? (a) input (b) output (c) processing
2. 2.🔢 After an app is released, which comes LAST? (a) read user reviews (b) test it again (c) release an update (d) list what to fix
3. 3.🧩 Which of these is a button on this screen?
   [title] Add Homework
   [text box] Email
   [button] Next
   [button] Cancel
   [slider] Volume
   [switch] Remind me
   [text box] Phone
   [button] Send (a) Phone (b) Email (c) Next (d) Remind me
4. 4.🔢 When you make an app, what comes right after “plan the screens”? (a) build the app (b) release it (c) test the app (d) get an idea
5. 5.🧩 Scores, notes and settings that an app keeps are called ___. (a) screens (b) buttons (c) tabs (d) data
6. 6.🎯 Is this a user need or a feature: a search bar? (a) a feature (b) a user need
7. 7.📊 Survey: which problem bugs you most? How many students voted in all?
   losing water bottles: 8 votes
   missing the bus: 4 votes
   forgetting birthdays: 9 votes
8. 8.🗒️ Why keep version 1 small? (a) to learn from users soon (b) to use up storage (c) to look bigger (d) to confuse users
9. 9.📱 Which one has a home-screen icon: an app or a website? (a) an app (b) a website
10. 10.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Add Homework
    [slider] Text size
    [text box] Phone
    [text box] Email
    [button] Cancel
    [button] Done
    [text box] Name
11. 11.🌐 Which program do you need to open a website? (a) a web browser (b) a camera app (c) an app store (d) a calculator
12. 12.🗒️ The first small, working version of an app is often called an ___. (a) MVP (b) CPU (c) FAQ (d) URL
13. 13.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) see today’s total (b) water animations (c) log a glass of water (d) set a reminder time
14. 14.True or false: your high score is data. (a) False (b) True
15. 15.True or false: today’s step count is an input. (a) True (b) False
16. 16.🧩 Which of these is a button on this screen?
    [title] Order Snacks
    [button] Save
    [switch] Show hints
    [text box] City
    [button] Back
    [button] Cancel (a) Show hints (b) City (c) Cancel
17. 17.💡 Which app idea solves this problem: a patient misses doses? (a) a medicine reminder (b) a bill splitter (c) a homework planner (d) a study-room finder
18. 18.🔍 Which is the odd one out? (a) a racing challenge (b) a unit converter (c) a calculator (d) a torch
19. 19.👥 A library app has 200 readers, 175 librarians and 40 volunteers as users. How many more readers than librarians are there?
20. 20.🧩 Which of these is a button on this screen?
    [title] Edit Profile
    [button] Cancel
    [button] Send
    [text box] Age (a) Send (b) Age
21. 21.⚙️ What number does this app show?
    let price = 15; // typed by the user
    let qty = 3; // typed by the user
    let total = price * qty;
    show(total);
22. 22.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) show the balance (b) export to a file (c) savings stickers (d) pie-chart colours
23. 23.Which of these app ideas solves a real problem? (a) a blank grey screen (b) a lost-and-found board (c) a page of random dots (d) a button with no action
24. 24.👥 A school app has 300 students, 40 teachers and 185 parents as users. How many users does it have in all?
25. 25.🧩 In an app, what is your friends list? (a) a button (b) data (c) a screen (d) an input
26. 26.🔍 Which is the odd one out? (a) pick the features (b) write the code (c) add the buttons (d) connect the data
27. 27.🔢 When you make an app, which comes first: “get an idea” or “plan the screens”? (a) plan the screens (b) get an idea
28. 28.Which of these is a feature? (a) “What should I cook?” (b) “I forget my homework” (c) “I keep missing the bus” (d) a reminder alarm
29. 29.🔢 When you make an app, which comes LAST? (a) plan the screens (b) release it (c) build the app (d) test the app
30. 30.💡 Which app idea solves this problem: bottles go missing at school? (a) a homework planner (b) a bill splitter (c) a lost-and-found board (d) a study-room finder
31. 31.True or false: sorting the scores is an input. (a) False (b) True
32. 32.💡 Does an app idea like a free study-room finder solve a real problem? (a) Yes (b) No
33. 33.🎯 What is the best first step to learn what users need? (a) pick the colours (b) write the code (c) ask and watch users (d) guess on your own
34. 34.Which of these is a feature? (a) “What should I cook?” (b) a search bar (c) “Small text is hard” (d) “I forget my homework”
35. 35.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 140; // 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 1 (b) line 2 (c) line 4 (d) line 3
36. 36.🧩 In an app, what is the settings page? (a) data (b) an input (c) a button (d) a screen
37. 37.Which of these is a screen? (a) your high score (b) the game-over page (c) tap to go Next (d) tap to Save
38. 38.🔍 Which is the odd one out? (a) a beep sound (b) speaking a command (c) a pop-up message (d) a buzz (vibration)
39. 39.📱 Which one opens from a link: an app or a website? (a) a website (b) an app
40. 40.📱 Which one comes from an app store: an app or a website? (a) a website (b) an app

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