App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 375 · 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.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Order Snacks
   [button] Start
   [text box] Name
   [button] Next
   [switch] Remind me
   [text box] City
   [button] Done
2. 2.🔔 What is a message an app shows on your lock screen called? (a) a notification (b) a web address (c) a wireframe (d) a variable
3. 3.True or false: you write the code at the plan stage. (a) False (b) True
4. 4.True or false: a website comes from an app store. (a) False (b) True
5. 5.🔢 When you make an app, which comes LAST? (a) release it (b) build the app (c) plan the screens (d) get an idea
6. 6.🧩 How many buttons does this app screen have?
   [title] Settings
   [text box] Email
   [button] Back
   [button] Send
   [text box] Notes
   [text box] City
   [button] Done
   [slider] Volume
7. 7.💡 Which app idea solves this problem: Grandpa forgets his tablets? (a) a bill splitter (b) a medicine reminder (c) a lost-and-found board (d) a study-room finder
8. 8.Which of these app ideas solves a real problem? (a) a button with no action (b) a free study-room finder (c) an app that just says hi (d) a blank grey screen
9. 9.Which of these is true of an app? (a) opens in a web browser (b) has a web address (c) updates from the store (d) opens from a link
10. 10.True or false: a page of random dots solves no real problem. (a) False (b) True
11. 11.🔢 After an app is released, which comes first: “release an update” or “list what to fix”? (a) release an update (b) list what to fix
12. 12.Which of these app ideas solves a real problem? (a) an app that just says hi (b) a medicine reminder (c) a button with no action (d) a blank grey screen
13. 13.🧩 Scores, notes and settings that an app keeps are called ___. (a) screens (b) buttons (c) tabs (d) data
14. 14.📅 An app team plans for 4 days, builds for 11 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
15. 15.🗒️ A to-do app with no “add a task” feature is ___. (a) well planned (b) missing a must-have (c) ready to release (d) a nice extra
16. 16.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) share tasks to friends (b) add a homework task (c) see tasks by day (d) set a due date
17. 17.👥 A cricket club app has 100 players, 250 coaches and 220 fans as users. How many more coaches than players are there?
18. 18.⚙️ In an app, is tapping a button an input, processing or an output? (a) output (b) processing (c) input
19. 19.🔍 Which is the odd one out? (a) a puzzle with levels (b) a water reminder (c) a racing challenge (d) a word battle
20. 20.🧩 In an app, what is a date picker? (a) data (b) a button (c) a screen (d) an input
21. 21.⚙️ What number does this app show?
    let price = 25; // typed by the user
    let qty = 3; // typed by the user
    let total = price * qty;
    show(total);
22. 22.👥 A cricket club app has 160 players, 255 coaches and 170 fans as users. How many users does it have in all?
23. 23.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    wasting pocket money: 11 votes
    losing water bottles: 23 votes
    forgetting birthdays: 22 votes (a) wasting pocket money (b) losing water bottles (c) forgetting birthdays
24. 24.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 100; // typed by the user
    line 2: let off = 50; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 2 (b) line 3 (c) line 1 (d) line 4
25. 25.📅 An app team plans for 5 days, builds for 12 days, tests for 1 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
26. 26.🎯 Is this a user need or a feature: “I keep missing the bus”? (a) a user need (b) a feature
27. 27.💡 How can you check that people really have the problem? (a) copy another app (b) ask possible users (c) pick a colour (d) just guess
28. 28.True or false: an app updates from the store. (a) False (b) True
29. 29.Which of these is true of a website? (a) is installed on a phone (b) updates from the store (c) opens in a web browser (d) has a home-screen icon
30. 30.📅 An app team plans for 3 days, builds for 4 days, tests for 2 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
31. 31.🔍 Which is the odd one out? (a) talk to possible users (b) pick the features (c) list what users need (d) spot a problem to solve
32. 32.True or false: a water reminder is a learning app. (a) True (b) False
33. 33.Which of these is true of a website? (a) opens from a link (b) is installed on a phone (c) updates from the store (d) has a home-screen icon
34. 34.📊 Survey: which problem bugs you most? How many more votes did “losing water bottles” get than “forgetting homework”?
    forgetting homework: 7 votes
    missing the bus: 22 votes
    losing water bottles: 21 votes
35. 35.True or false: a big-text reader is the best fit for a reader who finds small print hard. (a) False (b) True
36. 36.True or false: you let friends try it at the release stage. (a) False (b) True
37. 37.True or false: you write the store text at the release stage. (a) True (b) False
38. 38.🗒️ The first small, working version of an app is often called an ___. (a) URL (b) MVP (c) FAQ (d) CPU
39. 39.📊 Survey: which problem bugs you most? How many students voted in all?
    losing water bottles: 21 votes
    forgetting homework: 9 votes
    wasting pocket money: 3 votes
40. 40.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 170; // typed by the user
    line 2: let off = 40; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 3 (b) line 2 (c) line 1 (d) line 4

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