App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 600 · 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 = 65; // typed by the user
   line 2: let qty = 4; // typed by the user
   line 3: let total = price * qty;
   line 4: show(total); (a) line 2 (b) line 3 (c) line 1 (d) line 4
2. 2.True or false: you sketch the screens at the plan stage. (a) True (b) False
3. 3.👥 A clinic app has 65 patients, 180 doctors and 85 nurses as users. Which user group is the biggest? (a) patients (b) nurses (c) doctors
4. 4.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 15; // typed by the user
   line 2: let qty = 3; // typed by the user
   line 3: let total = price * qty;
   line 4: show(total); (a) line 1 (b) line 2 (c) line 4 (d) line 3
5. 5.True or false: you list what users need at the idea stage. (a) False (b) True
6. 6.📱 Which one updates from the store: an app or a website? (a) an app (b) a website
7. 7.Which of these is true of an app? (a) opens from a link (b) is installed on a phone (c) needs no installing (d) opens in a web browser
8. 8.🧩 How many buttons does this app screen have?
   [title] Edit Profile
   [button] Back
   [button] Start
   [text box] Notes
   [text box] City
   [switch] Remind me
   [slider] Brightness
9. 9.🧩 What does a button do when you tap it? (a) saves the battery (b) starts an action (c) shows the time (d) changes the phone
10. 10.📊 Survey: which problem bugs you most? How many students voted in all?
    losing water bottles: 25 votes
    wasting pocket money: 7 votes
    missing the bus: 12 votes
11. 11.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) see where the bus is (b) change the bus icon (c) a dark mode (d) rate the driver
12. 12.🗒️ Version 1 of a homework planner must be ready in 13 days. How many days are left for extras after the must-haves?
    add a homework task: 4 days
    set a due date: 4 days
    see tasks by day: 5 days
13. 13.True or false: you add the buttons at the build stage. (a) False (b) True
14. 14.🔢 When you make an app, which comes LAST? (a) release it (b) build the app (c) get an idea (d) plan the screens
15. 15.🗒️ Version 1 of a bus tracker must be ready in 10 days. How many days are left for extras after the must-haves?
    see where the bus is: 1 days
    show arrival time: 1 days
    pick your bus stop: 3 days
16. 16.🧩 In an app, what is a switch for dark mode? (a) a screen (b) an input (c) data (d) a button
17. 17.⚙️ 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
18. 18.Which of these is true of a website? (a) comes from an app store (b) is installed on a phone (c) has a home-screen icon (d) opens from a link
19. 19.Which of these is data? (a) tap to Start (b) a date picker (c) your friends list (d) a box to type a name
20. 20.True or false: a water reminder is a health app. (a) True (b) False
21. 21.🗒️ A to-do app with no “add a task” feature is ___. (a) ready to release (b) missing a must-have (c) a nice extra (d) well planned
22. 22.⚙️ In an app, is working out a tip an input, processing or an output? (a) output (b) input (c) processing
23. 23.📱 The word “app” is short for ___. (a) appointment (b) apparatus (c) application (d) appetite
24. 24.🎯 Which app would help this user most: a student who keeps forgetting due dates? (a) a big-text reader (b) a homework planner (c) a pocket-money tracker (d) a water reminder
25. 25.🗒️ Version 1 of a water reminder must be ready in 11 days. How many days are left for extras after the must-haves?
    set a reminder time: 2 days
    log a glass of water: 3 days
    see today’s total: 4 days
26. 26.🗒️ Version 1 of a pocket-money tracker must be ready in 11 days. How many days are left for extras after the must-haves?
    add money received: 2 days
    add money spent: 3 days
    show the balance: 3 days
27. 27.Which of these is true of an app? (a) has a web address (b) needs no installing (c) has a home-screen icon (d) opens in a web browser
28. 28.🔍 Which is the odd one out? (a) working out a tip (b) sorting the scores (c) checking a password (d) a buzz (vibration)
29. 29.🗒️ Version 1 of a quiz app must be ready in 11 days. How many days are left for extras after the must-haves?
    show a question: 4 days
    check the answer: 3 days
    show the score: 2 days
30. 30.🧩 Which of these is a button on this screen?
    [title] Settings
    [text box] Email
    [button] Done (a) Done (b) Email
31. 31.🗂️ What kind of app is a cricket run chase? (a) a tool app (b) a health app (c) a learning app (d) a game
32. 32.📱 Which one comes from an app store: an app or a website? (a) an app (b) a website
33. 33.💡 Which app idea solves this problem: bottles go missing at school? (a) a homework planner (b) a medicine reminder (c) a bill splitter (d) a lost-and-found board
34. 34.🗒️ When should nice-to-have features be built? (a) before anything (b) on day one (c) after the must-haves (d) never
35. 35.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting birthdays: 11 votes
    wasting pocket money: 9 votes
    forgetting homework: 7 votes (a) forgetting homework (b) forgetting birthdays (c) wasting pocket money
36. 36.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Order Snacks
    [text box] Email
    [button] Send
    [button] Cancel
37. 37.🗒️ Version 1 of a water reminder must be ready in 16 days. How many days are left for extras after the must-haves?
    set a reminder time: 4 days
    log a glass of water: 4 days
    see today’s total: 5 days
38. 38.Which of these happens at the build stage? (a) pick the features (b) add the buttons (c) spot a problem to solve (d) let friends try it
39. 39.True or false: a word battle is a tool app. (a) True (b) False
40. 40.📅 An app team plans for 3 days, builds for 10 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?

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