App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 647 · 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.⚙️ What number does this app show?
   let price = 150; // typed by the user
   let off = 20; // typed by the user
   let pay = price - off;
   show(pay);
2. 2.Which of these is true of an app? (a) opens from a link (b) comes from an app store (c) has a web address (d) needs no installing
3. 3.🧩 Scores, notes and settings that an app keeps are called ___. (a) screens (b) buttons (c) data (d) tabs
4. 4.True or false: a bill splitter solves no real problem. (a) True (b) False
5. 5.🧑 Who is an app really made for? (a) its charger (b) its users (c) its icon (d) its coder only
6. 6.🎯 Which app would help this user most: a cook with no idea for dinner? (a) a homework planner (b) a bus tracker (c) a water reminder (d) a recipe finder
7. 7.💡 Which app idea solves this problem: the library is always full? (a) a medicine reminder (b) a study-room finder (c) a bill splitter (d) a homework planner
8. 8.👥 A library app has 205 readers, 100 librarians and 75 volunteers as users. Which user group is the biggest? (a) volunteers (b) librarians (c) readers
9. 9.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Order Snacks
   [switch] Sound
   [text box] Subject
   [button] Cancel
10. 10.🧩 Which of these is a button on this screen?
    [title] New Note
    [text box] Email
    [slider] Volume
    [button] Help (a) Help (b) Volume (c) Email
11. 11.🔍 Which is the odd one out? (a) a spelling coach (b) a times-table quiz (c) a flashcard trainer (d) a word battle
12. 12.👥 A cricket club app has 145 players, 155 coaches and 175 fans as users. Which user group is the biggest? (a) coaches (b) fans (c) players
13. 13.Which of these is true of a website? (a) is installed on a phone (b) updates from the store (c) comes from an app store (d) needs no installing
14. 14.📴 Which of these can often still work with no internet? (a) an online search (b) a new website (c) an installed app (d) a video call
15. 15.Which of these is true of an app? (a) needs no installing (b) opens from a link (c) opens in a web browser (d) has a home-screen icon
16. 16.🧩 Which of these is a button on this screen?
    [title] Settings
    [text box] Due date
    [button] Cancel
    [button] Next
    [slider] Brightness (a) Cancel (b) Brightness (c) Due date
17. 17.🗒️ Why keep version 1 small? (a) to use up storage (b) to look bigger (c) to learn from users soon (d) to confuse users
18. 18.🔍 Which is the odd one out? (a) a result on screen (b) typing your age (c) speaking a command (d) taking a photo
19. 19.🔢 When you make an app, which comes first: “build the app” or “release it”? (a) release it (b) build the app
20. 20.True or false: an app needs no installing. (a) True (b) False
21. 21.Which of these app ideas solves a real problem? (a) a button with no action (b) a free study-room finder (c) a blank grey screen (d) a page of random dots
22. 22.Which of these happens at the test stage? (a) add the buttons (b) spot a problem to solve (c) list what users need (d) try every button
23. 23.📱 Which one comes from an app store: an app or a website? (a) an app (b) a website
24. 24.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) export to a file (b) add money spent (c) pie-chart colours (d) savings stickers
25. 25.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) a dark mode (b) change the bus icon (c) pick your bus stop (d) rate the driver
26. 26.🎯 What is a user need? (a) a phone setting (b) a type of button (c) a problem a user has (d) a colour theme
27. 27.⚙️ What number does this app show?
    let bill = 180; // typed by the user
    let friends = 3; // typed by the user
    let share = bill / friends;
    show(share);
28. 28.True or false: a water reminder is the best fit for a teen learning to make snacks. (a) False (b) True
29. 29.🧩 In an app, what is tap to go Next? (a) data (b) a screen (c) an input (d) a button
30. 30.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [button] Cancel
    [text box] Notes
    [slider] Brightness
    [switch] Dark mode
31. 31.📱 Where do people usually download phone apps from? (a) a web server (b) an app store (c) a printer (d) a charger
32. 32.🧩 In an app, what is the home page of an app? (a) a button (b) data (c) an input (d) a screen
33. 33.👥 A cricket club app has 185 players, 230 coaches and 285 fans as users. Which user group is the biggest? (a) players (b) coaches (c) fans
34. 34.💡 Does an app idea like a page of random dots solve a real problem? (a) Yes (b) No
35. 35.💡 Does an app idea like a bill splitter solve a real problem? (a) Yes (b) No
36. 36.📊 Survey: which problem bugs you most? How many more votes did “forgetting homework” get than “no quiet study place”?
    no quiet study place: 5 votes
    forgetting homework: 10 votes
    losing water bottles: 22 votes
37. 37.⚙️ What number does this app show?
    let price = 25; // typed by the user
    let qty = 2; // typed by the user
    let total = price * qty;
    show(total);
38. 38.🔢 When you make an app, which comes first: “get an idea” or “build the app”? (a) build the app (b) get an idea
39. 39.True or false: a racing challenge is a game. (a) True (b) False
40. 40.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) background music (b) an avatar shop (c) check the answer (d) confetti effects

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