App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 362 · 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 km = 9; // typed by the user
   let metres = km * 1000;
   show(metres);
2. 2.True or false: adding up a bill is an output. (a) True (b) False
3. 3.True or false: a bill splitter solves a real problem. (a) False (b) True
4. 4.⚙️ What number does this app show?
   let km = 13; // typed by the user
   let metres = km * 1000;
   show(metres);
5. 5.🎯 Which app would help this user most: a student who often misses the school bus? (a) a bus tracker (b) a pocket-money tracker (c) a recipe finder (d) a big-text reader
6. 6.🎯 Which app would help this user most: a gamer who forgets to drink? (a) a recipe finder (b) a water reminder (c) a pocket-money tracker (d) a homework planner
7. 7.🔍 Which is the odd one out? (a) a result on screen (b) a pop-up message (c) adding up a bill (d) a beep sound
8. 8.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   forgetting homework: 11 votes
   no quiet study place: 21 votes
   losing water bottles: 15 votes (a) losing water bottles (b) no quiet study place (c) forgetting homework
9. 9.True or false: a box to type a name is an input. (a) False (b) True
10. 10.Which of these is processing? (a) typing your age (b) adding up a bill (c) a buzz (vibration) (d) taking a photo
11. 11.💡 Does an app idea like a blank grey screen solve a real problem? (a) Yes (b) No
12. 12.💡 How can you check that people really have the problem? (a) just guess (b) copy another app (c) pick a colour (d) ask possible users
13. 13.Which of these app ideas solves no real problem? (a) a library due-date alert (b) a blank grey screen (c) a bill splitter (d) a free study-room finder
14. 14.Which of these is an output? (a) a beep sound (b) working out a tip (c) adding up a bill (d) speaking a command
15. 15.💡 After a survey, which need should version 1 solve? (a) the most common need (b) the newest trend (c) a random need (d) the rarest need
16. 16.Which of these app ideas solves a real problem? (a) a page of random dots (b) a bill splitter (c) a button with no action (d) an app that just says hi
17. 17.🔍 Which is the odd one out? (a) a cricket run chase (b) a puzzle with levels (c) a times-table quiz (d) a racing challenge
18. 18.🎯 Who are the users of an app? (a) only the coders (b) the app icons (c) the people who use it (d) only the testers
19. 19.🎯 Is this a user need or a feature: a search bar? (a) a feature (b) a user need
20. 20.🧩 In an app, what is a date picker? (a) a screen (b) a button (c) data (d) an input
21. 21.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) custom alert sounds (b) water animations (c) share your streak (d) set a reminder time
22. 22.🧩 Which input is best for turning something ON or OFF? (a) a slider (b) a title (c) a text box (d) a switch
23. 23.Which of these is an input? (a) a switch for dark mode (b) your saved notes (c) the log-in page (d) the game-over page
24. 24.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    wasting pocket money: 12 votes
    forgetting birthdays: 5 votes
    missing the bus: 3 votes (a) wasting pocket money (b) missing the bus (c) forgetting birthdays
25. 25.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “losing water bottles”?
    wasting pocket money: 18 votes
    no quiet study place: 20 votes
    losing water bottles: 14 votes
26. 26.💡 Which app idea solves this problem: nobody knows whose bag it is? (a) a study-room finder (b) a bill splitter (c) a medicine reminder (d) a lost-and-found board
27. 27.👥 A school app has 95 students, 230 teachers and 245 parents as users. How many users does it have in all?
28. 28.💡 Which app idea solves this problem: the library is always full? (a) a study-room finder (b) a bill splitter (c) a lost-and-found board (d) a medicine reminder
29. 29.Which of these app ideas solves a real problem? (a) a page of random dots (b) a button with no action (c) an app that just says hi (d) a library due-date alert
30. 30.Which of these is an input? (a) a result on screen (b) sorting the scores (c) taking a photo (d) adding up a bill
31. 31.Which of these app ideas solves a real problem? (a) a page of random dots (b) a blank grey screen (c) a medicine reminder (d) an app that just says hi
32. 32.💡 Which app idea solves this problem: friends argue over who pays? (a) a homework planner (b) a study-room finder (c) a bill splitter (d) a medicine reminder
33. 33.🔢 After an app is released, which comes FIRST? (a) read user reviews (b) release an update (c) test it again (d) fix and improve
34. 34.Which of these is a screen? (a) your high score (b) today’s step count (c) the home page of an app (d) tap to Save
35. 35.👥 A school app has 55 students, 185 teachers and 255 parents as users. How many more parents than students are there?
36. 36.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) rate the driver (b) pick your bus stop (c) change the bus icon (d) a dark mode
37. 37.🧩 Which of these is a button on this screen?
    [title] Settings
    [text box] City
    [button] Back
    [button] Help
    [switch] Dark mode
    [button] Cancel (a) City (b) Dark mode (c) Cancel
38. 38.🧩 In an app, what is your friends list? (a) a button (b) a screen (c) an input (d) data
39. 39.📊 Survey: which problem bugs you most? How many students voted in all?
    missing the bus: 9 votes
    wasting pocket money: 5 votes
    no quiet study place: 24 votes
40. 40.📊 Survey: which problem bugs you most? How many students voted in all?
    wasting pocket money: 21 votes
    missing the bus: 15 votes
    forgetting homework: 8 votes

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