App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 882 · 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.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   losing water bottles: 13 votes
   forgetting birthdays: 8 votes
   wasting pocket money: 14 votes (a) losing water bottles (b) forgetting birthdays (c) wasting pocket money
2. 2.Which of these app ideas solves no real problem? (a) a library due-date alert (b) a bill splitter (c) a blank grey screen (d) a lost-and-found board
3. 3.Which of these is a user need? (a) a dark mode switch (b) a search bar (c) a reminder alarm (d) “I keep missing the bus”
4. 4.👥 A clinic app has 265 patients, 300 doctors and 270 nurses as users. Which user group is the biggest? (a) doctors (b) nurses (c) patients
5. 5.📅 An app team plans for 5 days, builds for 9 days, tests for 2 days and releases on 1 more day. How many days does the whole project take?
6. 6.True or false: a puzzle with levels is a health app. (a) True (b) False
7. 7.⚙️ In an app, is taking a photo an input, processing or an output? (a) processing (b) output (c) input
8. 8.🎯 Which app would help this user most: a reader who finds small print hard? (a) a big-text reader (b) a homework planner (c) a recipe finder (d) a water reminder
9. 9.Which of these is a feature? (a) “I keep missing the bus” (b) a reminder alarm (c) “Small text is hard” (d) “I forget my homework”
10. 10.🔍 Which is the odd one out? (a) a calculator (b) a unit converter (c) a water reminder (d) a torch
11. 11.🛠️ At which stage do you add the buttons? (a) the test stage (b) the build stage (c) the plan stage (d) the idea stage
12. 12.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Order Snacks
    [text box] Subject
    [button] Save
    [text box] Notes
    [slider] Text size
13. 13.Which of these app ideas solves a real problem? (a) a blank grey screen (b) an app that just says hi (c) a medicine reminder (d) a button with no action
14. 14.🧩 Scores, notes and settings that an app keeps are called ___. (a) buttons (b) tabs (c) screens (d) data
15. 15.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) an avatar shop (b) background music (c) confetti effects (d) check the answer
16. 16.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Order Snacks
    [slider] Brightness
    [button] Cancel
    [text box] Due date
    [text box] Phone
    [button] Next
    [button] Start
    [switch] Remind me
17. 17.🗒️ Version 1 of a bus tracker must be ready in 8 days. How many days are left for extras after the must-haves?
    see where the bus is: 2 days
    show arrival time: 3 days
    pick your bus stop: 2 days
18. 18.👥 A cricket club app has 125 players, 85 coaches and 230 fans as users. Which user group is the biggest? (a) players (b) fans (c) coaches
19. 19.Which of these is a screen? (a) the settings page (b) today’s step count (c) tap to Start (d) tap to Save
20. 20.📱 Where do people usually download phone apps from? (a) a web server (b) a charger (c) a printer (d) an app store
21. 21.📊 Survey: which problem bugs you most? How many students voted in all?
    no quiet study place: 24 votes
    missing the bus: 25 votes
    forgetting birthdays: 3 votes
22. 22.True or false: an app comes from an app store. (a) False (b) True
23. 23.True or false: you sketch the screens at the idea stage. (a) True (b) False
24. 24.🔢 After an app is released, which comes first: “fix and improve” or “list what to fix”? (a) fix and improve (b) list what to fix
25. 25.⚙️ What number does this app show?
    let bill = 222; // typed by the user
    let friends = 3; // typed by the user
    let share = bill / friends;
    show(share);
26. 26.True or false: a water reminder is the best fit for a runner who forgets to sip water. (a) False (b) True
27. 27.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) export to a file (b) pie-chart colours (c) savings stickers (d) add money spent
28. 28.💡 After a survey, which need should version 1 solve? (a) the newest trend (b) the most common need (c) a random need (d) the rarest need
29. 29.📅 An app team plans for 3 days, builds for 9 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
30. 30.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) show a question (b) check the answer (c) show the score (d) an avatar shop
31. 31.📱 Which one has a home-screen icon: an app or a website? (a) a website (b) an app
32. 32.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] New Note
    [button] Cancel
    [button] Save
    [text box] Name
    [text box] Phone
    [text box] Due date
    [button] Help
33. 33.👥 A clinic app has 260 patients, 155 doctors and 215 nurses as users. Which user group is the biggest? (a) doctors (b) nurses (c) patients
34. 34.Which of these app ideas solves a real problem? (a) a page of random dots (b) a free study-room finder (c) a blank grey screen (d) an app that just says hi
35. 35.🗒️ Version 1 of a bus tracker must be ready in 8 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: 3 days
36. 36.🗒️ Version 1 of a homework planner must be ready in 8 days. How many days are left for extras after the must-haves?
    add a homework task: 1 days
    set a due date: 1 days
    see tasks by day: 3 days
37. 37.True or false: speaking a command is an output. (a) True (b) False
38. 38.🗒️ Version 1 of a homework planner must be ready in 6 days. How many days are left for extras after the must-haves?
    add a homework task: 1 days
    set a due date: 2 days
    see tasks by day: 3 days
39. 39.📅 An app team plans for 3 days, builds for 11 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
40. 40.Which of these is a user need? (a) a search bar (b) “I forget my homework” (c) a reminder alarm (d) a share button

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