App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 631 · 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.🗒️ Version 1 of a water reminder must be ready in 11 days. How many days are left for extras after the must-haves?
   set a reminder time: 4 days
   log a glass of water: 1 days
   see today’s total: 2 days
2. 2.Which of these is data? (a) tap to Save (b) a slider for volume (c) the home page of an app (d) today’s step count
3. 3.🧑 Who is an app really made for? (a) its icon (b) its users (c) its charger (d) its coder only
4. 4.True or false: a cricket run chase is a game. (a) False (b) True
5. 5.🗒️ A to-do app with no “add a task” feature is ___. (a) missing a must-have (b) ready to release (c) a nice extra (d) well planned
6. 6.🗒️ You are planning version 1 of a bus tracker. Which feature can WAIT for a later version? (a) change the bus icon (b) show arrival time (c) see where the bus is (d) pick your bus stop
7. 7.True or false: a buzz (vibration) is an output. (a) False (b) True
8. 8.🧩 How many buttons does this app screen have?
   [title] Sign Up
   [slider] Volume
   [text box] Phone
   [button] Save
9. 9.💡 Which app idea solves this problem: Grandpa forgets his tablets? (a) a study-room finder (b) a homework planner (c) a medicine reminder (d) a lost-and-found board
10. 10.🧩 Which of these is a button on this screen?
    [title] Settings
    [text box] Subject
    [switch] Dark mode
    [button] Back
    [button] Done (a) Subject (b) Dark mode (c) Done
11. 11.💡 A good app idea starts with ___. (a) a cool logo (b) many colours (c) a problem to solve (d) a long name
12. 12.True or false: a unit converter is a health app. (a) True (b) False
13. 13.📊 Survey: which problem bugs you most? How many more votes did “losing water bottles” get than “no quiet study place”?
    losing water bottles: 21 votes
    forgetting birthdays: 9 votes
    no quiet study place: 15 votes
14. 14.🎯 What is the best first step to learn what users need? (a) write the code (b) pick the colours (c) guess on your own (d) ask and watch users
15. 15.Which of these is a button? (a) a box to type a name (b) tap to Start (c) the settings page (d) today’s step count
16. 16.📱 Where do people usually download phone apps from? (a) a charger (b) an app store (c) a web server (d) a printer
17. 17.🔢 After an app is released, which comes first: “read user reviews” or “release an update”? (a) read user reviews (b) release an update
18. 18.🔢 When you make an app, which comes first: “build the app” or “test the app”? (a) test the app (b) build the app
19. 19.📅 An app team plans for 3 days, builds for 10 days, tests for 1 days and releases on 1 more day. How many more days does building take than testing?
20. 20.👥 A clinic app has 50 patients, 150 doctors and 40 nurses as users. How many more doctors than nurses are there?
21. 21.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    missing the bus: 24 votes
    forgetting birthdays: 12 votes
    forgetting homework: 6 votes (a) forgetting homework (b) missing the bus (c) forgetting birthdays
22. 22.Which of these is an input? (a) adding up a bill (b) checking a password (c) taking a photo (d) working out a tip
23. 23.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) add money spent (b) savings stickers (c) export to a file (d) pie-chart colours
24. 24.⚙️ In an app, is a buzz (vibration) an input, processing or an output? (a) input (b) output (c) processing
25. 25.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Add Homework
    [button] Cancel
    [text box] Due date
26. 26.Which of these is a user need? (a) a reminder alarm (b) a search bar (c) “I forget my homework” (d) a share button
27. 27.🔢 After an app is released, which comes FIRST? (a) release an update (b) read user reviews (c) list what to fix (d) fix and improve
28. 28.⚙️ In an app, is adding up a bill an input, processing or an output? (a) processing (b) input (c) output
29. 29.Which of these app ideas solves a real problem? (a) a page of random dots (b) a library due-date alert (c) an app that just says hi (d) a button with no action
30. 30.🎯 Why learn about users before you build? (a) to build what they need (b) to pick a logo (c) to make it longer (d) to slow it down
31. 31.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “forgetting homework”?
    forgetting homework: 7 votes
    missing the bus: 9 votes
    wasting pocket money: 11 votes
32. 32.True or false: the log-in page is a screen. (a) False (b) True
33. 33.💡 After a survey, which need should version 1 solve? (a) the most common need (b) the rarest need (c) a random need (d) the newest trend
34. 34.🔍 Which is the odd one out? (a) share the download link (b) write the store text (c) try every button (d) put it on an app store
35. 35.Which of these is a feature? (a) “I keep missing the bus” (b) “I forget my homework” (c) a dark mode switch (d) “Small text is hard”
36. 36.🧩 What does a button do when you tap it? (a) saves the battery (b) shows the time (c) starts an action (d) changes the phone
37. 37.👥 A cricket club app has 295 players, 265 coaches and 255 fans as users. Which user group is the biggest? (a) coaches (b) fans (c) players
38. 38.⚙️ What number does this app show?
    let price = 25; // typed by the user
    let qty = 3; // typed by the user
    let total = price * qty;
    show(total);
39. 39.True or false: typing your age is an output. (a) True (b) False
40. 40.🧩 In an app, what is today’s step count? (a) data (b) an input (c) a button (d) a screen

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