App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 899 · 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 is a problem statement? (a) “Add a logo” (b) “Kids forget homework” (c) “Use blue buttons” (d) “Make it fast”
2. 2.🔢 After an app is released, which comes LAST? (a) read user reviews (b) release an update (c) list what to fix (d) fix and improve
3. 3.🗒️ Version 1 of a bus tracker must be ready in 13 days. How many days are left for extras after the must-haves?
   see where the bus is: 4 days
   show arrival time: 3 days
   pick your bus stop: 4 days
4. 4.📅 An app team plans for 4 days, builds for 8 days, tests for 3 days and releases on 1 more day. How many more days does building take than testing?
5. 5.🗒️ What is a must-have feature? (a) a nice extra (b) one the app cannot skip (c) a sound effect (d) a colour theme
6. 6.Which of these is true of a website? (a) is installed on a phone (b) has a home-screen icon (c) has a web address (d) updates from the store
7. 7.📊 Survey: which problem bugs you most? How many more votes did “no quiet study place” get than “missing the bus”?
   missing the bus: 9 votes
   forgetting birthdays: 6 votes
   no quiet study place: 23 votes
8. 8.🗒️ You are planning version 1 of a bus tracker. Which feature can WAIT for a later version? (a) show arrival time (b) rate the driver (c) see where the bus is (d) pick your bus stop
9. 9.Which of these app ideas solves a real problem? (a) a medicine reminder (b) an app that just says hi (c) a page of random dots (d) a blank grey screen
10. 10.Which of these is a feature? (a) “Small text is hard” (b) “I keep missing the bus” (c) a dark mode switch (d) “I forget my homework”
11. 11.⚙️ In an app, is adding up a bill an input, processing or an output? (a) processing (b) input (c) output
12. 12.👥 A clinic app has 95 patients, 155 doctors and 60 nurses as users. How many users does it have in all?
13. 13.🔢 After an app is released, which comes first: “read user reviews” or “test it again”? (a) read user reviews (b) test it again
14. 14.🗒️ In MVP, the M stands for ___. (a) music (b) maximum (c) minimum (d) mobile
15. 15.Which of these happens at the release stage? (a) share the download link (b) talk to possible users (c) try every button (d) pick the features
16. 16.👥 A library app has 20 readers, 70 librarians and 260 volunteers as users. Which user group is the biggest? (a) librarians (b) readers (c) volunteers
17. 17.⚙️ What number does this app show?
    let bill = 114; // typed by the user
    let friends = 2; // typed by the user
    let share = bill / friends;
    show(share);
18. 18.True or false: a blank grey screen solves a real problem. (a) True (b) False
19. 19.📊 Survey: which problem bugs you most? How many students voted in all?
    losing water bottles: 16 votes
    wasting pocket money: 20 votes
    missing the bus: 22 votes
20. 20.🧩 Which of these is a button on this screen?
    [title] Edit Profile
    [button] Save
    [text box] Name
    [button] Done
    [switch] Dark mode
    [button] Back (a) Dark mode (b) Name (c) Back
21. 21.📅 An app team plans for 3 days, builds for 4 days, tests for 2 days and releases on 1 more day. How many more days does building take than testing?
22. 22.📱 Which one is installed on a phone: an app or a website? (a) a website (b) an app
23. 23.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 5; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 1 (b) line 3 (c) line 2
24. 24.🧩 In an app, what is today’s step count? (a) a screen (b) data (c) an input (d) a button
25. 25.True or false: a button with no action solves no real problem. (a) False (b) True
26. 26.⚙️ What number does this app show?
    let price = 10; // typed by the user
    let qty = 6; // typed by the user
    let total = price * qty;
    show(total);
27. 27.Which of these is an output? (a) taking a photo (b) a buzz (vibration) (c) speaking a command (d) typing your age
28. 28.True or false: today’s step count is a screen. (a) False (b) True
29. 29.True or false: your friends list is a button. (a) False (b) True
30. 30.🗂️ What kind of app is a flashcard trainer? (a) a game (b) a health app (c) a learning app (d) a tool app
31. 31.📱 Which one has a home-screen icon: an app or a website? (a) a website (b) an app
32. 32.🎯 Why learn about users before you build? (a) to make it longer (b) to build what they need (c) to slow it down (d) to pick a logo
33. 33.🎯 Is this a user need or a feature: a dark mode switch? (a) a user need (b) a feature
34. 34.Which of these is a button? (a) your saved notes (b) a date picker (c) tap to Send (d) the home page of an app
35. 35.💡 Does an app idea like a library due-date alert solve a real problem? (a) No (b) Yes
36. 36.📅 An app team plans for 4 days, builds for 6 days, tests for 3 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
37. 37.Which of these app ideas solves a real problem? (a) a page of random dots (b) an app that just says hi (c) a button with no action (d) a library due-date alert
38. 38.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 315; // 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 2 (c) line 4 (d) line 1
39. 39.🔢 When you make an app, what comes right after “plan the screens”? (a) get an idea (b) release it (c) build the app (d) test the app
40. 40.Which of these is true of an app? (a) opens in a web browser (b) opens from a link (c) needs no installing (d) updates from the store

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