App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 653 · 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 of these is true of a website? (a) updates from the store (b) has a home-screen icon (c) is installed on a phone (d) opens from a link
2. 2.⚙️ What number does this app show?
   let bill = 68; // typed by the user
   let friends = 2; // typed by the user
   let share = bill / friends;
   show(share);
3. 3.🗂️ What kind of app is a flashcard trainer? (a) a health app (b) a tool app (c) a game (d) a learning app
4. 4.Which of these is data? (a) the log-in page (b) the settings page (c) your high score (d) the game-over page
5. 5.🔍 Which is the odd one out? (a) a pop-up message (b) adding up a bill (c) a result on screen (d) a buzz (vibration)
6. 6.🧩 Which of these is a button on this screen?
   [title] Add Homework
   [switch] Remind me
   [text box] Phone
   [button] Back
   [text box] Notes (a) Notes (b) Phone (c) Remind me (d) Back
7. 7.⚙️ What number does this app show?
   let price = 530; // typed by the user
   let off = 30; // typed by the user
   let pay = price - off;
   show(pay);
8. 8.True or false: you list what users need at the idea stage. (a) False (b) True
9. 9.Which of these is a screen? (a) tap to Send (b) tap to Start (c) tap to go Next (d) the home page of an app
10. 10.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    missing the bus: 10 votes
    wasting pocket money: 17 votes
    no quiet study place: 12 votes (a) missing the bus (b) no quiet study place (c) wasting pocket money
11. 11.🧩 How many buttons does this app screen have?
    [title] Add Homework
    [button] Send
    [text box] Phone
    [button] Back
    [switch] Show hints
    [text box] Due date
    [text box] Name
    [slider] Brightness
12. 12.📱 Which one opens from a link: an app or a website? (a) a website (b) an app
13. 13.📊 Survey: which problem bugs you most? How many students voted in all?
    wasting pocket money: 23 votes
    no quiet study place: 17 votes
    forgetting homework: 6 votes
14. 14.🧩 In an app, what is tap to Send? (a) a button (b) a screen (c) an input (d) data
15. 15.🔢 When you make an app, which comes first: “plan the screens” or “release it”? (a) release it (b) plan the screens
16. 16.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “forgetting birthdays”?
    forgetting homework: 6 votes
    forgetting birthdays: 14 votes
    wasting pocket money: 25 votes
17. 17.💡 Does an app idea like a page of random dots solve a real problem? (a) Yes (b) No
18. 18.🎯 What is a user need? (a) a problem a user has (b) a type of button (c) a colour theme (d) a phone setting
19. 19.🧩 In an app, what is tap to go Next? (a) data (b) a screen (c) an input (d) a button
20. 20.Which of these is true of an app? (a) needs no installing (b) opens from a link (c) has a web address (d) has a home-screen icon
21. 21.🗒️ Version 1 of a water reminder must be ready in 9 days. How many days are left for extras after the must-haves?
    set a reminder time: 3 days
    log a glass of water: 3 days
    see today’s total: 3 days
22. 22.True or false: a button with no action solves no real problem. (a) False (b) True
23. 23.🛠️ At which stage do you spot a problem to solve? (a) the release stage (b) the build stage (c) the test stage (d) the idea stage
24. 24.Which of these is a screen? (a) your friends list (b) tap to Send (c) tap to Start (d) the log-in page
25. 25.🧩 In an app, what is tap to Save? (a) an input (b) a screen (c) a button (d) data
26. 26.True or false: a website needs no installing. (a) False (b) True
27. 27.💡 Which app idea solves this problem: bottles go missing at school? (a) a study-room finder (b) a medicine reminder (c) a homework planner (d) a lost-and-found board
28. 28.🔍 Which is the odd one out? (a) sketch the screens (b) pick the features (c) draw the user flow (d) write the code
29. 29.⚙️ What number does this app show?
    let price = 65; // typed by the user
    let qty = 5; // typed by the user
    let total = price * qty;
    show(total);
30. 30.📅 An app team plans for 5 days, builds for 11 days, tests for 1 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
31. 31.🧩 How many buttons does this app screen have?
    [title] Sign Up
    [text box] Phone
    [text box] Email
    [button] Cancel
    [button] Save
    [switch] Show hints
    [slider] Text size
    [text box] City
32. 32.True or false: a beep sound is processing. (a) True (b) False
33. 33.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 430; // typed by the user
    line 2: let off = 30; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 4 (b) line 1 (c) line 3 (d) line 2
34. 34.True or false: a result on screen is an output. (a) True (b) False
35. 35.🗒️ Version 1 of a water reminder must be ready in 12 days. How many days are left for extras after the must-haves?
    set a reminder time: 1 days
    log a glass of water: 4 days
    see today’s total: 2 days
36. 36.🔍 Which is the odd one out? (a) a times-table quiz (b) a flashcard trainer (c) a spelling coach (d) a step counter
37. 37.🎯 Who are the users of an app? (a) only the testers (b) the people who use it (c) only the coders (d) the app icons
38. 38.True or false: you write the code at the idea stage. (a) False (b) True
39. 39.🔍 Which is the odd one out? (a) a beep sound (b) adding up a bill (c) sorting the scores (d) checking a password
40. 40.🎯 Which app would help this user most: a cook with no idea for dinner? (a) a recipe finder (b) a big-text reader (c) a homework planner (d) a bus tracker

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students