App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 294 · 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 is the odd one out? (a) list what users need (b) talk to possible users (c) write the code (d) spot a problem to solve
2. 2.🛠️ At which stage do you sketch the screens? (a) the build stage (b) the plan stage (c) the idea stage (d) the release stage
3. 3.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “no quiet study place”?
   no quiet study place: 6 votes
   wasting pocket money: 18 votes
   missing the bus: 12 votes
4. 4.📊 Survey: which problem bugs you most? How many more votes did “losing water bottles” get than “forgetting homework”?
   forgetting birthdays: 6 votes
   losing water bottles: 10 votes
   forgetting homework: 7 votes
5. 5.🗒️ Version 1 of a bus tracker must be ready in 7 days. How many days are left for extras after the must-haves?
   see where the bus is: 1 days
   show arrival time: 3 days
   pick your bus stop: 3 days
6. 6.👥 A library app has 70 readers, 210 librarians and 145 volunteers as users. How many more librarians than volunteers are there?
7. 7.True or false: a water reminder is the best fit for a gamer who forgets to drink. (a) False (b) True
8. 8.True or false: tap to Send is data. (a) True (b) False
9. 9.Which of these is an input? (a) checking a password (b) speaking a command (c) sorting the scores (d) a beep sound
10. 10.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Settings
    [slider] Brightness
    [text box] Age
    [button] Send
    [button] Back
    [text box] Notes
    [button] Done
11. 11.🔍 Which is the odd one out? (a) a water reminder (b) a sleep tracker (c) a step counter (d) a torch
12. 12.🔍 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
13. 13.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting homework: 13 votes
    no quiet study place: 6 votes
    missing the bus: 19 votes (a) no quiet study place (b) forgetting homework (c) missing the bus
14. 14.⚙️ In an app, is adding up a bill an input, processing or an output? (a) processing (b) input (c) output
15. 15.🎯 Which app would help this user most: a teen whose money runs out by Friday? (a) a pocket-money tracker (b) a recipe finder (c) a bus tracker (d) a big-text reader
16. 16.🎯 Who are the users of an app? (a) the app icons (b) only the testers (c) the people who use it (d) only the coders
17. 17.True or false: typing your age is processing. (a) False (b) True
18. 18.True or false: a bill splitter solves no real problem. (a) False (b) True
19. 19.🧩 In an app, what is your high score? (a) an input (b) data (c) a screen (d) a button
20. 20.🔢 After an app is released, which comes LAST? (a) release an update (b) fix and improve (c) list what to fix (d) read user reviews
21. 21.🧩 Which of these is a button on this screen?
    [title] Sign Up
    [text box] Notes
    [button] Help
    [text box] Due date
    [switch] Sound
    [text box] Phone (a) Due date (b) Phone (c) Notes (d) Help
22. 22.📊 Survey: which problem bugs you most? How many more votes did “no quiet study place” get than “missing the bus”?
    wasting pocket money: 12 votes
    missing the bus: 3 votes
    no quiet study place: 16 votes
23. 23.👥 A cricket club app has 55 players, 75 coaches and 120 fans as users. How many users does it have in all?
24. 24.⚙️ What number does this app show?
    let bill = 330; // typed by the user
    let friends = 5; // typed by the user
    let share = bill / friends;
    show(share);
25. 25.📱 Which one has a home-screen icon: an app or a website? (a) a website (b) an app
26. 26.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Order Snacks
    [button] Save
    [text box] Email
    [button] Back
    [text box] Name
    [button] Next
    [slider] Text size
27. 27.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting birthdays: 14 votes
    forgetting homework: 19 votes
    missing the bus: 23 votes (a) missing the bus (b) forgetting homework (c) forgetting birthdays
28. 28.💡 Does an app idea like a button with no action solve a real problem? (a) Yes (b) No
29. 29.Which of these happens at the test stage? (a) connect the data (b) try every button (c) put it on an app store (d) write the code
30. 30.📱 Which one has a web address: an app or a website? (a) an app (b) a website
31. 31.Which of these is an output? (a) sorting the scores (b) working out a tip (c) a beep sound (d) checking a password
32. 32.⚙️ In an app, is taking a photo an input, processing or an output? (a) processing (b) input (c) output
33. 33.Which of these is data? (a) a switch for dark mode (b) your friends list (c) the home page of an app (d) the settings page
34. 34.🔍 Which is the odd one out? (a) a step counter (b) a sleep tracker (c) a cricket run chase (d) a water reminder
35. 35.🧩 Scores, notes and settings that an app keeps are called ___. (a) buttons (b) tabs (c) data (d) screens
36. 36.⚙️ What number does this app show?
    let price = 530; // typed by the user
    let off = 20; // typed by the user
    let pay = price - off;
    show(pay);
37. 37.True or false: a free study-room finder solves a real problem. (a) True (b) False
38. 38.💡 After a survey, which need should version 1 solve? (a) the most common need (b) a random need (c) the newest trend (d) the rarest need
39. 39.Which of these is true of an app? (a) has a web address (b) needs no installing (c) is installed on a phone (d) opens in a web browser
40. 40.🎯 Is this a user need or a feature: “Small text is hard”? (a) a feature (b) a user need

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