App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 816 · 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 input is best for typing your name? (a) a picture (b) a switch (c) a text box (d) a slider
2. 2.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Order Snacks
   [text box] City
   [text box] Name
   [button] Send
   [text box] Phone
   [button] Save
   [slider] Text size
   [button] Back
3. 3.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) savings stickers (b) export to a file (c) show the balance (d) pie-chart colours
4. 4.Which of these happens at the build stage? (a) pick the features (b) connect the data (c) sketch the screens (d) share the download link
5. 5.Which of these is processing? (a) speaking a command (b) taking a photo (c) sorting the scores (d) typing your age
6. 6.🔢 After an app is released, which comes first: “list what to fix” or “test it again”? (a) test it again (b) list what to fix
7. 7.True or false: a blank grey screen solves a real problem. (a) True (b) False
8. 8.True or false: a bus tracker is the best fit for a teen whose money runs out by Friday. (a) False (b) True
9. 9.True or false: the home page of an app is a button. (a) False (b) True
10. 10.🛠️ At which stage do you sketch the screens? (a) the plan stage (b) the idea stage (c) the build stage (d) the test stage
11. 11.🔢 After an app is released, what comes right after “list what to fix”? (a) read user reviews (b) test it again (c) fix and improve (d) release an update
12. 12.Which of these is true of a website? (a) has a home-screen icon (b) is installed on a phone (c) comes from an app store (d) needs no installing
13. 13.🗒️ When should nice-to-have features be built? (a) never (b) after the must-haves (c) before anything (d) on day one
14. 14.Which of these is true of an app? (a) has a home-screen icon (b) needs no installing (c) has a web address (d) opens from a link
15. 15.Which of these happens at the plan stage? (a) list what users need (b) write the store text (c) try every button (d) pick the features
16. 16.🔍 Which is the odd one out? (a) pick the features (b) share the download link (c) write the store text (d) put it on an app store
17. 17.⚙️ In an app, is typing your age an input, processing or an output? (a) output (b) processing (c) input
18. 18.🧩 How many buttons does this app screen have?
    [title] Order Snacks
    [text box] Subject
    [text box] Due date
    [text box] Age
    [switch] Dark mode
    [button] Help
    [button] Back
19. 19.True or false: a homework planner is the best fit for a child saving up for a cycle. (a) True (b) False
20. 20.📱 Which one comes from an app store: an app or a website? (a) a website (b) an app
21. 21.🔢 When you make an app, what comes right after “get an idea”? (a) build the app (b) release it (c) test the app (d) plan the screens
22. 22.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Add Homework
    [switch] Sound
    [button] Send
    [text box] City
    [slider] Brightness
    [text box] Phone
23. 23.🎯 Is this a user need or a feature: a dark mode switch? (a) a user need (b) a feature
24. 24.Which of these app ideas solves no real problem? (a) a bill splitter (b) a free study-room finder (c) an app that just says hi (d) a library due-date alert
25. 25.📲 What happens when you tap an app’s icon? (a) the sound turns off (b) the app is deleted (c) the app opens (d) the phone charges
26. 26.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Sign Up
    [slider] Brightness
    [text box] Phone
    [text box] Due date
    [button] Next
    [button] Done
    [button] Help
27. 27.🔍 Which is the odd one out? (a) a times-table quiz (b) a flashcard trainer (c) a racing challenge (d) a spelling coach
28. 28.True or false: you spot a problem to solve at the idea stage. (a) False (b) True
29. 29.💡 An app that tries to do everything at once is usually ___. (a) hard to use (b) finished fast (c) very small (d) easy to build
30. 30.🔍 Which is the odd one out? (a) speaking a command (b) a buzz (vibration) (c) a pop-up message (d) a beep sound
31. 31.🗒️ 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: 3 days
    log a glass of water: 1 days
    see today’s total: 4 days
32. 32.True or false: your high score is data. (a) False (b) True
33. 33.🔢 After an app is released, which comes FIRST? (a) fix and improve (b) list what to fix (c) release an update (d) read user reviews
34. 34.True or false: a buzz (vibration) is an output. (a) True (b) False
35. 35.🗒️ Version 1 of a homework planner must be ready in 9 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: 2 days
36. 36.⚙️ What number does this app show?
    let bill = 94; // typed by the user
    let friends = 2; // typed by the user
    let share = bill / friends;
    show(share);
37. 37.Which of these is true of an app? (a) has a web address (b) needs no installing (c) opens from a link (d) updates from the store
38. 38.👥 A library app has 70 readers, 130 librarians and 100 volunteers as users. How many users does it have in all?
39. 39.True or false: working out a tip is an input. (a) True (b) False
40. 40.🗒️ 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: 3 days
    log a glass of water: 1 days
    see today’s total: 3 days

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