App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 366 · 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.True or false: a buzz (vibration) is an input. (a) False (b) True
2. 2.True or false: you pick the features at the build stage. (a) False (b) True
3. 3.🌐 Which program do you need to open a website? (a) a camera app (b) an app store (c) a web browser (d) a calculator
4. 4.🔢 When you make an app, which comes first: “release it” or “plan the screens”? (a) plan the screens (b) release it
5. 5.🗒️ Version 1 of a bus tracker must be ready in 6 days. How many days are left for extras after the must-haves?
   see where the bus is: 1 days
   show arrival time: 2 days
   pick your bus stop: 3 days
6. 6.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] New Note
   [button] Done
   [slider] Brightness
   [text box] City
   [text box] Age
   [text box] Name
7. 7.📊 Survey: which problem bugs you most? How many more votes did “missing the bus” get than “wasting pocket money”?
   no quiet study place: 16 votes
   wasting pocket money: 21 votes
   missing the bus: 25 votes
8. 8.⚙️ What number does this app show?
   let price = 65; // typed by the user
   let qty = 3; // typed by the user
   let total = price * qty;
   show(total);
9. 9.True or false: the home page of an app is an input. (a) True (b) False
10. 10.True or false: a recipe finder is the best fit for a student who keeps forgetting due dates. (a) False (b) True
11. 11.📲 What happens when you tap an app’s icon? (a) the phone charges (b) the app opens (c) the app is deleted (d) the sound turns off
12. 12.⚙️ What number does this app show?
    let bill = 112; // typed by the user
    let friends = 2; // typed by the user
    let share = bill / friends;
    show(share);
13. 13.📱 Which one opens in a web browser: an app or a website? (a) a website (b) an app
14. 14.🗒️ Version 1 of a quiz app must be ready in 13 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
15. 15.📱 Which one needs no installing: an app or a website? (a) a website (b) an app
16. 16.Which of these is true of a website? (a) opens in a web browser (b) comes from an app store (c) updates from the store (d) is installed on a phone
17. 17.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) change the bus icon (b) see where the bus is (c) a dark mode (d) rate the driver
18. 18.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) set a due date (b) add a homework task (c) share tasks to friends (d) see tasks by day
19. 19.🗒️ Version 1 of a bus tracker must be ready in 12 days. How many days are left for extras after the must-haves?
    see where the bus is: 2 days
    show arrival time: 4 days
    pick your bus stop: 3 days
20. 20.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 260; // 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 1 (b) line 2 (c) line 3 (d) line 4
21. 21.📊 Survey: which problem bugs you most? How many more votes did “forgetting birthdays” get than “losing water bottles”?
    losing water bottles: 5 votes
    forgetting birthdays: 24 votes
    missing the bus: 22 votes
22. 22.True or false: tap to go Next is a button. (a) False (b) True
23. 23.True or false: a website has a home-screen icon. (a) True (b) False
24. 24.🔍 Which is the odd one out? (a) tapping a button (b) speaking a command (c) typing your age (d) a beep sound
25. 25.👥 A school app has 220 students, 210 teachers and 110 parents as users. How many users does it have in all?
26. 26.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) pick a theme colour (b) earn stickers (c) share tasks to friends (d) see tasks by day
27. 27.🧩 In an app, what is a switch for dark mode? (a) a screen (b) an input (c) a button (d) data
28. 28.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [button] Cancel
    [button] Back
    [text box] Age
    [switch] Show hints
    [button] Next
29. 29.🎯 Which app would help this user most: a child saving up for a cycle? (a) a bus tracker (b) a big-text reader (c) a pocket-money tracker (d) a water reminder
30. 30.🗒️ A to-do app with no “add a task” feature is ___. (a) missing a must-have (b) a nice extra (c) ready to release (d) well planned
31. 31.🧩 Which of these is a button on this screen?
    [title] Order Snacks
    [text box] Email
    [button] Start
    [text box] Subject
    [button] Cancel
    [text box] Name (a) Subject (b) Email (c) Name (d) Start
32. 32.Which of these app ideas solves no real problem? (a) a medicine reminder (b) a bill splitter (c) a library due-date alert (d) a button with no action
33. 33.True or false: a page of random dots solves a real problem. (a) False (b) True
34. 34.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting homework: 16 votes
    no quiet study place: 19 votes
    losing water bottles: 8 votes (a) forgetting homework (b) no quiet study place (c) losing water bottles
35. 35.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) share your streak (b) custom alert sounds (c) water animations (d) see today’s total
36. 36.🎯 Is this a user need or a feature: “Small text is hard”? (a) a feature (b) a user need
37. 37.True or false: working out a tip is an output. (a) True (b) False
38. 38.🔢 After an app is released, which comes first: “read user reviews” or “test it again”? (a) test it again (b) read user reviews
39. 39.🗒️ 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: 5 days
40. 40.📊 Survey: which problem bugs you most? How many more votes did “forgetting birthdays” get than “missing the bus”?
    forgetting birthdays: 22 votes
    missing the bus: 4 votes
    losing water bottles: 24 votes

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