App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 568 · 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: 7 votes
   missing the bus: 11 votes
   losing water bottles: 9 votes
2. 2.📅 An app team plans for 4 days, builds for 8 days, tests for 2 days and releases on 1 more day. How many more days does building take than testing?
3. 3.⚙️ Which line does the processing (works out the answer)?
   line 1: let bill = 95; // 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 1 (b) line 4 (c) line 2 (d) line 3
4. 4.🎯 Which app would help this user most: a pupil juggling five projects? (a) a bus tracker (b) a big-text reader (c) a recipe finder (d) a homework planner
5. 5.🔍 Which is the odd one out? (a) spot a problem to solve (b) talk to possible users (c) list what users need (d) connect the data
6. 6.🎯 Which app would help this user most: a cook with no idea for dinner? (a) a water reminder (b) a recipe finder (c) a pocket-money tracker (d) a big-text reader
7. 7.🧩 Which of these is a button on this screen?
   [title] Add Homework
   [text box] Age
   [text box] Name
   [button] Next
   [button] Done
   [switch] Remind me (a) Name (b) Age (c) Remind me (d) Next
8. 8.🧩 In an app, what is the home page of an app? (a) data (b) a button (c) a screen (d) an input
9. 9.🔍 Which is the odd one out? (a) adding up a bill (b) working out a tip (c) typing your age (d) sorting the scores
10. 10.🎯 Who are the users of an app? (a) only the testers (b) only the coders (c) the people who use it (d) the app icons
11. 11.Which of these is processing? (a) tapping a button (b) sorting the scores (c) typing your age (d) a buzz (vibration)
12. 12.True or false: adding up a bill is processing. (a) False (b) True
13. 13.📲 What happens when you tap an app’s icon? (a) the phone charges (b) the sound turns off (c) the app opens (d) the app is deleted
14. 14.🎯 Which app would help this user most: a student who keeps forgetting due dates? (a) a big-text reader (b) a water reminder (c) a bus tracker (d) a homework planner
15. 15.⚙️ In an app, is adding up a bill an input, processing or an output? (a) output (b) input (c) processing
16. 16.🧩 Which of these is a button on this screen?
    [title] Order Snacks
    [switch] Show hints
    [text box] Subject
    [text box] Age
    [slider] Brightness
    [button] Done
    [text box] City
    [button] Send
    [button] Cancel (a) Done (b) City (c) Subject (d) Age
17. 17.🛠️ At which stage do you sketch the screens? (a) the build stage (b) the idea stage (c) the plan stage (d) the test stage
18. 18.🗒️ 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: 2 days
    see today’s total: 2 days
19. 19.True or false: a medicine reminder solves no real problem. (a) False (b) True
20. 20.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 11; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 3 (b) line 2 (c) line 1
21. 21.🗂️ What kind of app is a times-table quiz? (a) a learning app (b) a health app (c) a tool app (d) a game
22. 22.🧩 Which of these is a button on this screen?
    [title] New Note
    [button] Save
    [button] Help
    [slider] Brightness
    [text box] City
    [button] Next (a) Help (b) City (c) Brightness
23. 23.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) set a reminder time (b) log a glass of water (c) custom alert sounds (d) see today’s total
24. 24.🔍 Which is the odd one out? (a) sorting the scores (b) adding up a bill (c) checking a password (d) a pop-up message
25. 25.⚙️ In an app, is a buzz (vibration) an input, processing or an output? (a) processing (b) input (c) output
26. 26.🌐 Which program do you need to open a website? (a) a camera app (b) a web browser (c) a calculator (d) an app store
27. 27.🎯 Is this a user need or a feature: a reminder alarm? (a) a feature (b) a user need
28. 28.💡 Which is a problem statement? (a) “Use blue buttons” (b) “Add a logo” (c) “Make it fast” (d) “Kids forget homework”
29. 29.True or false: a page of random dots solves a real problem. (a) True (b) False
30. 30.Which of these is an output? (a) typing your age (b) adding up a bill (c) taking a photo (d) a buzz (vibration)
31. 31.🧩 In an app, what is a date picker? (a) a screen (b) data (c) a button (d) an input
32. 32.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 75; // 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 3 (b) line 4 (c) line 1 (d) line 2
33. 33.🧩 Which of these is a button on this screen?
    [title] Sign Up
    [switch] Dark mode
    [button] Done
    [button] Send
    [text box] Email
    [button] Help
    [slider] Volume (a) Email (b) Dark mode (c) Volume (d) Done
34. 34.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) share tasks to friends (b) see tasks by day (c) earn stickers (d) pick a theme colour
35. 35.🔍 Which is the odd one out? (a) tapping a button (b) a result on screen (c) speaking a command (d) taking a photo
36. 36.⚙️ What number does this app show?
    let bill = 110; // typed by the user
    let friends = 2; // typed by the user
    let share = bill / friends;
    show(share);
37. 37.🛠️ At which stage do you add the buttons? (a) the plan stage (b) the build stage (c) the test stage (d) the idea stage
38. 38.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting homework: 6 votes
    forgetting birthdays: 5 votes
    missing the bus: 20 votes (a) forgetting homework (b) forgetting birthdays (c) missing the bus
39. 39.🗂️ What kind of app is a cricket run chase? (a) a health app (b) a tool app (c) a learning app (d) a game
40. 40.🛠️ At which stage do you let friends try it? (a) the test stage (b) the release stage (c) the idea stage (d) the build stage

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