App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 104 · 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.📊 Survey: which problem bugs you most? How many students voted in all?
   no quiet study place: 17 votes
   wasting pocket money: 15 votes
   losing water bottles: 11 votes
2. 2.Which of these app ideas solves no real problem? (a) a bill splitter (b) a button with no action (c) a library due-date alert (d) a lost-and-found board
3. 3.🧩 How many buttons does this app screen have?
   [title] Edit Profile
   [button] Start
   [text box] Name
   [button] Back
   [button] Save
   [slider] Volume
   [switch] Dark mode
4. 4.Which of these happens at the build stage? (a) put it on an app store (b) write the code (c) draw the user flow (d) talk to possible users
5. 5.📊 Survey: which problem bugs you most? How many students voted in all?
   missing the bus: 21 votes
   forgetting homework: 15 votes
   losing water bottles: 16 votes
6. 6.🔍 Which is the odd one out? (a) tapping a button (b) typing your age (c) a buzz (vibration) (d) speaking a command
7. 7.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Add Homework
   [slider] Brightness
   [button] Cancel
   [text box] Notes
   [switch] Remind me
8. 8.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) savings stickers (b) pie-chart colours (c) show the balance (d) export to a file
9. 9.🧩 Which of these is a button on this screen?
   [title] Order Snacks
   [switch] Remind me
   [text box] Phone
   [text box] Email
   [button] Next (a) Phone (b) Next (c) Email (d) Remind me
10. 10.🔍 Which is the odd one out? (a) add the buttons (b) pick the features (c) sketch the screens (d) draw the user flow
11. 11.📱 The word “app” is short for ___. (a) application (b) apparatus (c) appetite (d) appointment
12. 12.Which of these is processing? (a) adding up a bill (b) taking a photo (c) a result on screen (d) a buzz (vibration)
13. 13.True or false: tap to Send is a screen. (a) True (b) False
14. 14.💡 Does an app idea like a free study-room finder solve a real problem? (a) No (b) Yes
15. 15.True or false: your friends list is data. (a) False (b) True
16. 16.⚙️ In an app, is checking a password an input, processing or an output? (a) output (b) input (c) processing
17. 17.🛠️ At which stage do you spot a problem to solve? (a) the release stage (b) the build stage (c) the plan stage (d) the idea stage
18. 18.🔍 Which is the odd one out? (a) a flashcard trainer (b) a spelling coach (c) a times-table quiz (d) a racing challenge
19. 19.True or false: a water reminder is the best fit for a runner who forgets to sip water. (a) False (b) True
20. 20.🧩 How many buttons does this app screen have?
    [title] Sign Up
    [button] Start
    [text box] Subject
    [slider] Text size
    [text box] Email
21. 21.Which of these app ideas solves a real problem? (a) an app that just says hi (b) a blank grey screen (c) a page of random dots (d) a library due-date alert
22. 22.🗒️ 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: 2 days
    log a glass of water: 1 days
    see today’s total: 4 days
23. 23.Which of these happens at the idea stage? (a) write the code (b) list what users need (c) pick the features (d) connect the data
24. 24.📱 Which one is installed on a phone: an app or a website? (a) a website (b) an app
25. 25.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting birthdays: 7 votes
    no quiet study place: 22 votes
    forgetting homework: 24 votes
26. 26.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 270; // typed by the user
    line 2: let friends = 5; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share); (a) line 2 (b) line 3 (c) line 1 (d) line 4
27. 27.🧩 Which of these is a button on this screen?
    [title] Order Snacks
    [button] Done
    [button] Help
    [text box] Notes
    [text box] Age
    [button] Cancel (a) Done (b) Age (c) Notes
28. 28.🎯 Is this a user need or a feature: a search bar? (a) a feature (b) a user need
29. 29.True or false: you pick the features at the release stage. (a) True (b) False
30. 30.⚙️ What number does this app show?
    let bill = 210; // typed by the user
    let friends = 3; // typed by the user
    let share = bill / friends;
    show(share);
31. 31.True or false: a bus tracker is the best fit for a grandparent with weak eyesight. (a) False (b) True
32. 32.⚙️ In an app, is a pop-up message an input, processing or an output? (a) input (b) output (c) processing
33. 33.🧩 Which input is best for turning something ON or OFF? (a) a title (b) a slider (c) a switch (d) a text box
34. 34.🎯 Is this a user need or a feature: “What should I cook?”? (a) a feature (b) a user need
35. 35.True or false: a homework planner is the best fit for a pupil juggling five projects. (a) False (b) True
36. 36.True or false: a buzz (vibration) is an output. (a) True (b) False
37. 37.🧩 Which part lets the user give the app information? (a) an input (b) a logo (c) an icon (d) a title
38. 38.True or false: a medicine reminder solves no real problem. (a) True (b) False
39. 39.🧩 In an app, what is a switch for dark mode? (a) a screen (b) a button (c) data (d) an input
40. 40.🎯 Why learn about users before you build? (a) to build what they need (b) to make it longer (c) to pick a logo (d) to slow it down

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