App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 854 · 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 line does the processing (works out the answer)?
   line 1: let price = 560; // typed by the user
   line 2: let off = 30; // typed by the user
   line 3: let pay = price - off;
   line 4: show(pay); (a) line 1 (b) line 4 (c) line 3 (d) line 2
2. 2.Which of these is true of an app? (a) needs no installing (b) updates from the store (c) opens in a web browser (d) has a web address
3. 3.Which of these is true of a website? (a) is installed on a phone (b) updates from the store (c) has a web address (d) has a home-screen icon
4. 4.📊 Survey: which problem bugs you most? How many more votes did “forgetting birthdays” get than “no quiet study place”?
   wasting pocket money: 25 votes
   forgetting birthdays: 8 votes
   no quiet study place: 5 votes
5. 5.📅 An app team plans for 5 days, builds for 4 days, tests for 2 days and releases on 1 more day. How many more days does building take than testing?
6. 6.⚙️ In an app, is taking a photo an input, processing or an output? (a) output (b) input (c) processing
7. 7.🔍 Which is the odd one out? (a) a flashcard trainer (b) a times-table quiz (c) a spelling coach (d) a water reminder
8. 8.🎯 A short made-up profile of a typical user is called a ___. (a) protocol (b) password (c) pixel (d) persona
9. 9.True or false: tapping a button is an output. (a) True (b) False
10. 10.True or false: a website opens from a link. (a) True (b) False
11. 11.🛠️ At which stage do you write the code? (a) the plan stage (b) the release stage (c) the test stage (d) the build stage
12. 12.Which of these is processing? (a) sorting the scores (b) a beep sound (c) a result on screen (d) a buzz (vibration)
13. 13.🔢 After an app is released, which comes first: “fix and improve” or “test it again”? (a) fix and improve (b) test it again
14. 14.🎯 Is this a user need or a feature: a dark mode switch? (a) a feature (b) a user need
15. 15.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) change the bus icon (b) rate the driver (c) a dark mode (d) show arrival time
16. 16.🔍 Which is the odd one out? (a) a calculator (b) a racing challenge (c) a word battle (d) a puzzle with levels
17. 17.Which of these is an output? (a) tapping a button (b) checking a password (c) adding up a bill (d) a buzz (vibration)
18. 18.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 540; // typed by the user
    line 2: let off = 20; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 1 (b) line 2 (c) line 3 (d) line 4
19. 19.📱 Which one comes from an app store: an app or a website? (a) an app (b) a website
20. 20.📊 Survey: which problem bugs you most? How many more votes did “no quiet study place” get than “wasting pocket money”?
    forgetting birthdays: 24 votes
    wasting pocket money: 6 votes
    no quiet study place: 13 votes
21. 21.📱 Which one needs no installing: an app or a website? (a) an app (b) a website
22. 22.💡 Which is a problem statement? (a) “Add a logo” (b) “Use blue buttons” (c) “Make it fast” (d) “Kids forget homework”
23. 23.📱 Which one opens in a web browser: an app or a website? (a) a website (b) an app
24. 24.🔍 Which is the odd one out? (a) a torch (b) a puzzle with levels (c) a unit converter (d) an alarm clock
25. 25.⚙️ In an app, is speaking a command an input, processing or an output? (a) output (b) processing (c) input
26. 26.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) an avatar shop (b) check the answer (c) confetti effects (d) background music
27. 27.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) share your streak (b) water animations (c) custom alert sounds (d) set a reminder time
28. 28.True or false: an alarm clock is a health app. (a) False (b) True
29. 29.📱 Which one updates from the store: an app or a website? (a) an app (b) a website
30. 30.🗒️ In MVP, the M stands for ___. (a) maximum (b) mobile (c) minimum (d) music
31. 31.🗂️ What kind of app is a torch? (a) a game (b) a tool app (c) a health app (d) a learning app
32. 32.📊 Survey: which problem bugs you most? How many more votes did “no quiet study place” get than “forgetting birthdays”?
    forgetting homework: 13 votes
    forgetting birthdays: 8 votes
    no quiet study place: 11 votes
33. 33.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Sign Up
    [text box] Email
    [button] Save
    [switch] Sound
    [button] Cancel
    [button] Next
    [text box] Notes
34. 34.True or false: you write down the bugs at the test stage. (a) False (b) True
35. 35.📱 Which one is installed on a phone: an app or a website? (a) a website (b) an app
36. 36.True or false: a buzz (vibration) is an output. (a) True (b) False
37. 37.Which of these app ideas solves a real problem? (a) a page of random dots (b) a free study-room finder (c) an app that just says hi (d) a button with no action
38. 38.True or false: a torch is a learning app. (a) False (b) True
39. 39.📅 An app team plans for 2 days, builds for 10 days, tests for 1 days and releases on 1 more day. How many more days does building take than testing?
40. 40.Which of these is true of a website? (a) is installed on a phone (b) comes from an app store (c) has a home-screen icon (d) opens from a link

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