App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 335 · 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.👥 A clinic app has 200 patients, 205 doctors and 245 nurses as users. How many users does it have in all?
2. 2.🧩 Which of these is a button on this screen?
   [title] Sign Up
   [button] Save
   [button] Cancel
   [text box] Name
   [button] Next (a) Name (b) Next
3. 3.🔍 Which is the odd one out? (a) a spelling coach (b) a flashcard trainer (c) a times-table quiz (d) a water reminder
4. 4.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) custom alert sounds (b) water animations (c) set a reminder time (d) share your streak
5. 5.📊 Survey: which problem bugs you most? How many more votes did “forgetting birthdays” get than “no quiet study place”?
   forgetting birthdays: 16 votes
   no quiet study place: 9 votes
   forgetting homework: 3 votes
6. 6.🔍 Which is the odd one out? (a) working out a tip (b) sorting the scores (c) typing your age (d) adding up a bill
7. 7.True or false: a buzz (vibration) is processing. (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) a result on screen (b) a buzz (vibration) (c) a pop-up message (d) taking a photo
9. 9.Which of these is true of an app? (a) opens in a web browser (b) opens from a link (c) is installed on a phone (d) needs no installing
10. 10.🔢 When you make an app, which comes first: “build the app” or “plan the screens”? (a) plan the screens (b) build the app
11. 11.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) water animations (b) log a glass of water (c) custom alert sounds (d) share your streak
12. 12.👥 A cricket club app has 200 players, 25 coaches and 250 fans as users. How many users does it have in all?
13. 13.📅 An app team plans for 3 days, builds for 8 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
14. 14.🗂️ What kind of app is a spelling coach? (a) a learning app (b) a game (c) a health app (d) a tool app
15. 15.💡 Does an app idea like a lost-and-found board solve a real problem? (a) Yes (b) No
16. 16.🧩 Which of these is a button on this screen?
    [title] Add Homework
    [text box] Phone
    [text box] Email
    [text box] Due date
    [button] Send (a) Email (b) Send (c) Due date (d) Phone
17. 17.🧩 What does a button do when you tap it? (a) changes the phone (b) saves the battery (c) starts an action (d) shows the time
18. 18.True or false: a pop-up message is an output. (a) False (b) True
19. 19.🧩 Which input is best for typing your name? (a) a slider (b) a picture (c) a text box (d) a switch
20. 20.Which of these is true of an app? (a) needs no installing (b) opens in a web browser (c) opens from a link (d) has a home-screen icon
21. 21.🔍 Which is the odd one out? (a) a pop-up message (b) sorting the scores (c) a result on screen (d) a buzz (vibration)
22. 22.🗒️ 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: 3 days
    pick your bus stop: 5 days
23. 23.📱 Where do people usually download phone apps from? (a) a printer (b) an app store (c) a web server (d) a charger
24. 24.True or false: an app comes from an app store. (a) True (b) False
25. 25.⚙️ What number does this app show?
    let bill = 152; // typed by the user
    let friends = 2; // typed by the user
    let share = bill / friends;
    show(share);
26. 26.🔢 When you make an app, what comes right after “test the app”? (a) plan the screens (b) build the app (c) release it (d) get an idea
27. 27.🧩 In an app, what is tap to Start? (a) a screen (b) an input (c) a button (d) data
28. 28.📱 Which one comes from an app store: an app or a website? (a) a website (b) an app
29. 29.🔢 After an app is released, which comes first: “list what to fix” or “test it again”? (a) test it again (b) list what to fix
30. 30.True or false: you connect the data at the test stage. (a) True (b) False
31. 31.Which of these is a user need? (a) a share button (b) a dark mode switch (c) “I keep missing the bus” (d) a reminder alarm
32. 32.True or false: a water reminder is a health app. (a) False (b) True
33. 33.👥 A library app has 170 readers, 110 librarians and 70 volunteers as users. How many users does it have in all?
34. 34.🔍 Which is the odd one out? (a) a pop-up message (b) tapping a button (c) a beep sound (d) a result on screen
35. 35.📱 Which one opens in a web browser: an app or a website? (a) an app (b) a website
36. 36.⚙️ What number does this app show?
    let bill = 75; // typed by the user
    let friends = 3; // typed by the user
    let share = bill / friends;
    show(share);
37. 37.🧩 Which of these is a button on this screen?
    [title] Edit Profile
    [text box] City
    [button] Save
    [button] Send
    [button] Cancel
    [switch] Show hints
    [text box] Notes
    [text box] Email (a) City (b) Cancel (c) Email (d) Notes
38. 38.🔍 Which is the odd one out? (a) draw the user flow (b) pick the features (c) spot a problem to solve (d) sketch the screens
39. 39.🧩 Which input is best for turning something ON or OFF? (a) a title (b) a slider (c) a text box (d) a switch
40. 40.Which of these happens at the plan stage? (a) spot a problem to solve (b) connect the data (c) sketch the screens (d) put it on an app store

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