App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 478 · 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 buttons does this app screen have?
   [title] Order Snacks
   [button] Save
   [button] Help
   [text box] Subject
   [text box] Name
   [slider] Volume
2. 2.Which of these is a user need? (a) a search bar (b) a reminder alarm (c) a share button (d) “I keep missing the bus”
3. 3.📅 An app team plans for 5 days, builds for 9 days, tests for 2 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
4. 4.True or false: a website opens in a web browser. (a) False (b) True
5. 5.🌐 Which program do you need to open a website? (a) a camera app (b) an app store (c) a web browser (d) a calculator
6. 6.⚙️ In an app, is a buzz (vibration) an input, processing or an output? (a) processing (b) output (c) input
7. 7.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) custom alert sounds (b) share your streak (c) water animations (d) set a reminder time
8. 8.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 270; // typed by the user
   line 2: let off = 20; // typed by the user
   line 3: let pay = price - off;
   line 4: show(pay); (a) line 1 (b) line 4 (c) line 3 (d) line 2
9. 9.Which of these is true of an app? (a) is installed on a phone (b) needs no installing (c) opens in a web browser (d) has a web address
10. 10.🧩 What do we call one full page of an app? (a) a screen (b) a cable (c) a battery (d) a variable
11. 11.👥 A cricket club app has 275 players, 55 coaches and 300 fans as users. How many users does it have in all?
12. 12.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Add Homework
    [button] Next
    [text box] Name
    [switch] Remind me
    [text box] Due date
    [button] Back
    [text box] City
13. 13.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    wasting pocket money: 9 votes
    forgetting homework: 4 votes
    missing the bus: 20 votes (a) missing the bus (b) forgetting homework (c) wasting pocket money
14. 14.⚙️ What number does this app show?
    let price = 15; // typed by the user
    let qty = 5; // typed by the user
    let total = price * qty;
    show(total);
15. 15.🧩 Which part lets the user give the app information? (a) a logo (b) an input (c) a title (d) an icon
16. 16.🗒️ 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: 1 days
    set a due date: 4 days
    see tasks by day: 2 days
17. 17.True or false: a slider for volume is a screen. (a) False (b) True
18. 18.⚙️ What number does this app show?
    let price = 290; // typed by the user
    let off = 10; // typed by the user
    let pay = price - off;
    show(pay);
19. 19.🗒️ In MVP, the M stands for ___. (a) music (b) minimum (c) maximum (d) mobile
20. 20.⚙️ In an app, is tapping a button an input, processing or an output? (a) processing (b) input (c) output
21. 21.🧩 Scores, notes and settings that an app keeps are called ___. (a) screens (b) tabs (c) buttons (d) data
22. 22.🔍 Which is the odd one out? (a) working out a tip (b) adding up a bill (c) sorting the scores (d) a beep sound
23. 23.🎯 Is this a user need or a feature: a search bar? (a) a user need (b) a feature
24. 24.📱 Which one comes from an app store: an app or a website? (a) a website (b) an app
25. 25.🗒️ A to-do app with no “add a task” feature is ___. (a) missing a must-have (b) well planned (c) a nice extra (d) ready to release
26. 26.⚙️ What number does this app show?
    let km = 9; // typed by the user
    let metres = km * 1000;
    show(metres);
27. 27.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) an avatar shop (b) check the answer (c) confetti effects (d) background music
28. 28.📊 Survey: which problem bugs you most? How many more votes did “missing the bus” get than “losing water bottles”?
    forgetting homework: 18 votes
    losing water bottles: 14 votes
    missing the bus: 19 votes
29. 29.⚙️ 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
30. 30.🔢 After an app is released, which comes FIRST? (a) read user reviews (b) list what to fix (c) fix and improve (d) test it again
31. 31.🗒️ 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: 4 days
    add money spent: 4 days
    show the balance: 2 days
32. 32.Which of these is true of a website? (a) has a home-screen icon (b) opens in a web browser (c) comes from an app store (d) is installed on a phone
33. 33.⚙️ In an app, is typing your age an input, processing or an output? (a) processing (b) input (c) output
34. 34.True or false: a recipe finder is the best fit for a parent waiting at the bus stop. (a) True (b) False
35. 35.⚙️ In an app, is speaking a command an input, processing or an output? (a) input (b) output (c) processing
36. 36.True or false: you try every button at the test stage. (a) False (b) True
37. 37.💡 Which app idea solves this problem: friends argue over who pays? (a) a homework planner (b) a bill splitter (c) a medicine reminder (d) a lost-and-found board
38. 38.💡 Does an app idea like a medicine reminder solve a real problem? (a) Yes (b) No
39. 39.📱 Which one is installed on a phone: an app or a website? (a) a website (b) an app
40. 40.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) show a question (b) show the score (c) check the answer (d) background music

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