App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 521 · 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 of these app ideas solves a real problem? (a) a button with no action (b) a lost-and-found board (c) a blank grey screen (d) an app that just says hi
2. 2.🌐 Which program do you need to open a website? (a) a calculator (b) a web browser (c) a camera app (d) an app store
3. 3.👥 A cricket club app has 55 players, 135 coaches and 260 fans as users. How many more fans than coaches are there?
4. 4.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   losing water bottles: 17 votes
   wasting pocket money: 9 votes
   forgetting birthdays: 18 votes (a) wasting pocket money (b) losing water bottles (c) forgetting birthdays
5. 5.🧩 In an app, what is today’s step count? (a) data (b) a button (c) an input (d) a screen
6. 6.True or false: the log-in page is a screen. (a) True (b) False
7. 7.📅 An app team plans for 2 days, builds for 7 days, tests for 1 days and releases on 1 more day. How many more days does building take than testing?
8. 8.Which of these is a user need? (a) “I forget my homework” (b) a reminder alarm (c) a share button (d) a dark mode switch
9. 9.🛠️ At which stage do you write the code? (a) the release stage (b) the plan stage (c) the build stage (d) the idea stage
10. 10.⚙️ In an app, is a result on screen an input, processing or an output? (a) processing (b) output (c) input
11. 11.🧩 How many buttons does this app screen have?
    [title] New Note
    [text box] Email
    [button] Next
    [slider] Brightness
12. 12.🎯 Is this a user need or a feature: “What should I cook?”? (a) a feature (b) a user need
13. 13.🔍 Which is the odd one out? (a) a spelling coach (b) a calculator (c) a torch (d) a unit converter
14. 14.📱 Which one has a home-screen icon: an app or a website? (a) a website (b) an app
15. 15.📊 Survey: which problem bugs you most? How many students voted in all?
    losing water bottles: 23 votes
    no quiet study place: 24 votes
    forgetting homework: 18 votes
16. 16.🧩 Which of these is a button on this screen?
    [title] Settings
    [slider] Volume
    [button] Next
    [switch] Show hints
    [text box] Due date
    [button] Cancel
    [button] Save (a) Due date (b) Next (c) Volume (d) Show hints
17. 17.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) custom alert sounds (b) share your streak (c) see today’s total (d) water animations
18. 18.🛠️ At which stage do you try every button? (a) the build stage (b) the release stage (c) the test stage (d) the idea stage
19. 19.⚙️ What number does this app show?
    let km = 5; // typed by the user
    let metres = km * 1000;
    show(metres);
20. 20.📅 An app team plans for 5 days, builds for 6 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
21. 21.🔢 After an app is released, which comes first: “list what to fix” or “release an update”? (a) list what to fix (b) release an update
22. 22.👥 A library app has 70 readers, 90 librarians and 135 volunteers as users. How many users does it have in all?
23. 23.🎯 Which app would help this user most: a pupil juggling five projects? (a) a recipe finder (b) a pocket-money tracker (c) a water reminder (d) a homework planner
24. 24.📱 Which one needs no installing: an app or a website? (a) an app (b) a website
25. 25.🔍 Which is the odd one out? (a) a word battle (b) a cricket run chase (c) a step counter (d) a puzzle with levels
26. 26.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 55; // 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 4 (b) line 2 (c) line 3 (d) line 1
27. 27.📱 Which one has a web address: an app or a website? (a) a website (b) an app
28. 28.🔍 Which is the odd one out? (a) try every button (b) let friends try it (c) write the code (d) write down the bugs
29. 29.🗒️ Version 1 of a quiz app must be ready in 7 days. How many days are left for extras after the must-haves?
    show a question: 1 days
    check the answer: 4 days
    show the score: 2 days
30. 30.🧩 What do we call one full page of an app? (a) a battery (b) a variable (c) a cable (d) a screen
31. 31.💡 Which app idea solves this problem: projects pile up at once? (a) a study-room finder (b) a medicine reminder (c) a bill splitter (d) a homework planner
32. 32.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 280; // 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 3 (b) line 2 (c) line 4 (d) line 1
33. 33.True or false: an app comes from an app store. (a) False (b) True
34. 34.🎯 Who are the users of an app? (a) only the testers (b) the people who use it (c) only the coders (d) the app icons
35. 35.🗒️ When should nice-to-have features be built? (a) on day one (b) after the must-haves (c) never (d) before anything
36. 36.👥 A clinic app has 110 patients, 40 doctors and 230 nurses as users. Which user group is the biggest? (a) patients (b) nurses (c) doctors
37. 37.Which of these app ideas solves no real problem? (a) a free study-room finder (b) a page of random dots (c) a library due-date alert (d) a bill splitter
38. 38.📊 Survey: which problem bugs you most? How many more votes did “forgetting birthdays” get than “losing water bottles”?
    forgetting homework: 7 votes
    losing water bottles: 4 votes
    forgetting birthdays: 12 votes
39. 39.📊 Survey: which problem bugs you most? How many students voted in all?
    no quiet study place: 22 votes
    losing water bottles: 23 votes
    forgetting homework: 8 votes
40. 40.🔍 Which is the odd one out? (a) pick the features (b) sketch the screens (c) draw the user flow (d) spot a problem to solve

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