App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 50 · 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.True or false: an app needs no installing. (a) True (b) False
2. 2.🎯 Is this a user need or a feature: a search bar? (a) a user need (b) a feature
3. 3.⚙️ What number does this app show?
   let km = 7; // typed by the user
   let metres = km * 1000;
   show(metres);
4. 4.⚙️ What number does this app show?
   let price = 360; // typed by the user
   let off = 20; // typed by the user
   let pay = price - off;
   show(pay);
5. 5.👥 A school app has 230 students, 270 teachers and 225 parents as users. Which user group is the biggest? (a) students (b) parents (c) teachers
6. 6.💡 A good app idea starts with ___. (a) many colours (b) a problem to solve (c) a cool logo (d) a long name
7. 7.🗒️ Version 1 of a pocket-money tracker must be ready in 8 days. How many days are left for extras after the must-haves?
   add money received: 1 days
   add money spent: 3 days
   show the balance: 3 days
8. 8.⚙️ In an app, is a result on screen an input, processing or an output? (a) input (b) processing (c) output
9. 9.🧩 Scores, notes and settings that an app keeps are called ___. (a) buttons (b) tabs (c) screens (d) data
10. 10.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) show the score (b) confetti effects (c) an avatar shop (d) background music
11. 11.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) background music (b) show a question (c) check the answer (d) show the score
12. 12.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) share tasks to friends (b) pick a theme colour (c) add a homework task (d) earn stickers
13. 13.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) earn stickers (b) see tasks by day (c) set a due date (d) add a homework task
14. 14.🧩 In an app, what is your saved notes? (a) a button (b) a screen (c) data (d) an input
15. 15.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) check the answer (b) show a question (c) show the score (d) confetti effects
16. 16.📊 Survey: which problem bugs you most? How many more votes did “forgetting birthdays” get than “no quiet study place”?
    forgetting birthdays: 17 votes
    no quiet study place: 5 votes
    missing the bus: 25 votes
17. 17.Which of these is data? (a) the settings page (b) the game-over page (c) the log-in page (d) today’s step count
18. 18.👥 A library app has 55 readers, 155 librarians and 45 volunteers as users. How many more readers than volunteers are there?
19. 19.🧩 Which input is best for choosing a volume level? (a) a switch (b) a text box (c) a slider (d) a title
20. 20.🔍 Which is the odd one out? (a) a water reminder (b) a step counter (c) a sleep tracker (d) a unit converter
21. 21.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) see tasks by day (b) share tasks to friends (c) pick a theme colour (d) earn stickers
22. 22.🧩 What does a button do when you tap it? (a) changes the phone (b) starts an action (c) saves the battery (d) shows the time
23. 23.🔢 When you make an app, which comes first: “plan the screens” or “build the app”? (a) plan the screens (b) build the app
24. 24.📅 An app team plans for 5 days, builds for 11 days, tests for 2 days and releases on 1 more day. How many days does the whole project take?
25. 25.Which of these is a button? (a) the settings page (b) the game-over page (c) tap to Start (d) a slider for volume
26. 26.⚙️ What number does this app show?
    let bill = 54; // typed by the user
    let friends = 2; // typed by the user
    let share = bill / friends;
    show(share);
27. 27.⚙️ What number does this app show?
    let price = 240; // typed by the user
    let off = 30; // typed by the user
    let pay = price - off;
    show(pay);
28. 28.Which of these app ideas solves a real problem? (a) a button with no action (b) an app that just says hi (c) a free study-room finder (d) a blank grey screen
29. 29.🧩 Which of these is a button on this screen?
    [title] Order Snacks
    [button] Done
    [text box] Name
    [text box] Notes
    [text box] Email
    [switch] Dark mode
    [button] Cancel
    [button] Send (a) Email (b) Name (c) Notes (d) Cancel
30. 30.🎯 Is this a user need or a feature: “I forget my homework”? (a) a user need (b) a feature
31. 31.Which of these is a user need? (a) a dark mode switch (b) “I keep missing the bus” (c) a reminder alarm (d) a search bar
32. 32.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    missing the bus: 4 votes
    losing water bottles: 6 votes
    forgetting birthdays: 25 votes (a) losing water bottles (b) missing the bus (c) forgetting birthdays
33. 33.🛠️ At which stage do you try every button? (a) the test stage (b) the release stage (c) the build stage (d) the idea stage
34. 34.🔢 When you make an app, which comes LAST? (a) build the app (b) test the app (c) plan the screens (d) release it
35. 35.👥 A school app has 275 students, 225 teachers and 290 parents as users. How many users does it have in all?
36. 36.🔍 Which is the odd one out? (a) sorting the scores (b) working out a tip (c) adding up a bill (d) taking a photo
37. 37.🔍 Which is the odd one out? (a) a water reminder (b) a word battle (c) a puzzle with levels (d) a cricket run chase
38. 38.💡 An app that tries to do everything at once is usually ___. (a) hard to use (b) very small (c) finished fast (d) easy to build
39. 39.🔢 After an app is released, what comes right after “read user reviews”? (a) release an update (b) test it again (c) list what to fix (d) fix and improve
40. 40.🎯 Which app would help this user most: a student who keeps forgetting due dates? (a) a pocket-money tracker (b) a water reminder (c) a homework planner (d) a recipe finder

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