App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 227 · 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 happens at the test stage? (a) spot a problem to solve (b) list what users need (c) let friends try it (d) connect the data
2. 2.True or false: typing your age is an input. (a) True (b) False
3. 3.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 60; // typed by the user
   line 2: let qty = 2; // typed by the user
   line 3: let total = price * qty;
   line 4: show(total); (a) line 1 (b) line 4 (c) line 2 (d) line 3
4. 4.📊 Survey: which problem bugs you most? How many students voted in all?
   losing water bottles: 3 votes
   forgetting homework: 9 votes
   no quiet study place: 11 votes
5. 5.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) add money received (b) show the balance (c) pie-chart colours (d) add money spent
6. 6.📅 An app team plans for 2 days, builds for 6 days, tests for 2 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
7. 7.Which of these happens at the release stage? (a) write the store text (b) sketch the screens (c) connect the data (d) talk to possible users
8. 8.Which of these is true of a website? (a) is installed on a phone (b) has a home-screen icon (c) comes from an app store (d) has a web address
9. 9.🔢 After an app is released, which comes FIRST? (a) list what to fix (b) read user reviews (c) fix and improve (d) release an update
10. 10.True or false: adding up a bill is processing. (a) False (b) True
11. 11.True or false: you sketch the screens at the plan stage. (a) True (b) False
12. 12.🗂️ What kind of app is a spelling coach? (a) a game (b) a learning app (c) a health app (d) a tool app
13. 13.📊 Survey: which problem bugs you most? How many more votes did “no quiet study place” get than “wasting pocket money”?
    no quiet study place: 22 votes
    wasting pocket money: 17 votes
    losing water bottles: 25 votes
14. 14.Which of these is true of an app? (a) has a web address (b) opens in a web browser (c) opens from a link (d) is installed on a phone
15. 15.👥 A school app has 140 students, 270 teachers and 75 parents as users. How many users does it have in all?
16. 16.🧩 Which of these is a button on this screen?
    [title] Sign Up
    [text box] Phone
    [button] Back
    [switch] Dark mode
    [text box] Name (a) Name (b) Phone (c) Back (d) Dark mode
17. 17.True or false: an app comes from an app store. (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) a step counter (b) a calculator (c) a sleep tracker (d) a water reminder
19. 19.🗒️ Version 1 of a homework planner must be ready in 7 days. How many days are left for extras after the must-haves?
    add a homework task: 2 days
    set a due date: 2 days
    see tasks by day: 3 days
20. 20.True or false: you connect the data at the build stage. (a) True (b) False
21. 21.📱 Which one needs no installing: an app or a website? (a) a website (b) an app
22. 22.🎯 Which app would help this user most: a cook with no idea for dinner? (a) a big-text reader (b) a homework planner (c) a recipe finder (d) a pocket-money tracker
23. 23.👥 A school app has 230 students, 80 teachers and 140 parents as users. How many more parents than teachers are there?
24. 24.⚙️ What number does this app show?
    let bill = 135; // typed by the user
    let friends = 3; // typed by the user
    let share = bill / friends;
    show(share);
25. 25.📊 Survey: which problem bugs you most? How many students voted in all?
    wasting pocket money: 10 votes
    forgetting birthdays: 19 votes
    forgetting homework: 7 votes
26. 26.🔢 When you make an app, which comes first: “test the app” or “release it”? (a) release it (b) test the app
27. 27.🔍 Which is the odd one out? (a) a cricket run chase (b) a racing challenge (c) a times-table quiz (d) a puzzle with levels
28. 28.🔢 After an app is released, what comes right after “read user reviews”? (a) list what to fix (b) fix and improve (c) test it again (d) release an update
29. 29.⚙️ What number does this app show?
    let km = 6; // typed by the user
    let metres = km * 1000;
    show(metres);
30. 30.📴 Which of these can often still work with no internet? (a) a new website (b) a video call (c) an online search (d) an installed app
31. 31.🔢 After an app is released, what comes right after “fix and improve”? (a) release an update (b) read user reviews (c) test it again (d) list what to fix
32. 32.👥 A school app has 20 students, 280 teachers and 200 parents as users. How many users does it have in all?
33. 33.Which of these is true of a website? (a) comes from an app store (b) is installed on a phone (c) updates from the store (d) needs no installing
34. 34.🔢 After an app is released, which comes first: “fix and improve” or “release an update”? (a) fix and improve (b) release an update
35. 35.💡 A good app idea starts with ___. (a) a problem to solve (b) a cool logo (c) many colours (d) a long name
36. 36.🗒️ When should nice-to-have features be built? (a) after the must-haves (b) before anything (c) on day one (d) never
37. 37.🧩 Which of these is a button on this screen?
    [title] Sign Up
    [button] Start
    [button] Done
    [text box] Subject
    [button] Back
    [text box] Name
    [slider] Text size
    [text box] Age (a) Name (b) Start (c) Age (d) Subject
38. 38.🎯 An app for “everyone” with no clear user usually ___. (a) is easy to build (b) helps nobody well (c) wins every prize (d) needs no testing
39. 39.🎯 Is this a user need or a feature: “I forget my homework”? (a) a user need (b) a feature
40. 40.🔢 When you make an app, what comes right after “plan the screens”? (a) release it (b) build the app (c) test the app (d) get an idea

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