App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 275 · 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 app ideas solves a real problem? (a) a blank grey screen (b) a page of random dots (c) a bill splitter (d) a button with no action
2. 2.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) check the answer (b) background music (c) show a question (d) show the score
3. 3.🔢 After an app is released, which comes LAST? (a) read user reviews (b) release an update (c) list what to fix (d) fix and improve
4. 4.⚙️ In an app, is a pop-up message an input, processing or an output? (a) input (b) output (c) processing
5. 5.🧩 How many buttons does this app screen have?
   [title] Add Homework
   [button] Help
   [button] Save
   [switch] Dark mode
   [button] Send
   [text box] Due date
6. 6.Which of these is a screen? (a) today’s step count (b) the settings page (c) tap to Save (d) a switch for dark mode
7. 7.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Settings
   [text box] Name
   [button] Done
   [text box] City
   [slider] Volume
   [button] Save
8. 8.⚙️ Which line does the processing (works out the answer)?
   line 1: let km = 6; // typed by the user
   line 2: let metres = km * 1000;
   line 3: show(metres); (a) line 2 (b) line 3 (c) line 1
9. 9.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   wasting pocket money: 15 votes
   missing the bus: 6 votes
   forgetting birthdays: 13 votes (a) missing the bus (b) forgetting birthdays (c) wasting pocket money
10. 10.📱 Which one opens from a link: an app or a website? (a) a website (b) an app
11. 11.🔍 Which is the odd one out? (a) a racing challenge (b) a cricket run chase (c) a puzzle with levels (d) a water reminder
12. 12.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) background music (b) confetti effects (c) show the score (d) an avatar shop
13. 13.🎯 Who are the users of an app? (a) the app icons (b) the people who use it (c) only the coders (d) only the testers
14. 14.🔢 When you make an app, which comes LAST? (a) plan the screens (b) build the app (c) release it (d) get an idea
15. 15.True or false: checking a password is an output. (a) True (b) False
16. 16.⚙️ What number does this app show?
    let price = 550; // typed by the user
    let off = 40; // typed by the user
    let pay = price - off;
    show(pay);
17. 17.💡 Does an app idea like a free study-room finder solve a real problem? (a) Yes (b) No
18. 18.⚙️ What number does this app show?
    let bill = 68; // typed by the user
    let friends = 4; // typed by the user
    let share = bill / friends;
    show(share);
19. 19.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 10; // typed by the user
    line 2: let qty = 4; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 2 (b) line 1 (c) line 3 (d) line 4
20. 20.🗒️ The first small, working version of an app is often called an ___. (a) MVP (b) CPU (c) URL (d) FAQ
21. 21.True or false: sorting the scores is processing. (a) False (b) True
22. 22.🔢 When you make an app, which comes first: “release it” or “test the app”? (a) release it (b) test the app
23. 23.📴 Which of these can often still work with no internet? (a) a new website (b) an online search (c) an installed app (d) a video call
24. 24.🗒️ 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: 3 days
    log a glass of water: 1 days
    see today’s total: 2 days
25. 25.🧩 Which input is best for typing your name? (a) a switch (b) a text box (c) a picture (d) a slider
26. 26.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) see today’s total (b) set a reminder time (c) water animations (d) log a glass of water
27. 27.True or false: an app updates from the store. (a) False (b) True
28. 28.⚙️ What number does this app show?
    let price = 20; // typed by the user
    let qty = 6; // typed by the user
    let total = price * qty;
    show(total);
29. 29.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) see tasks by day (b) add a homework task (c) share tasks to friends (d) set a due date
30. 30.🎯 Which app would help this user most: a grandparent with weak eyesight? (a) a big-text reader (b) a bus tracker (c) a water reminder (d) a homework planner
31. 31.True or false: today’s step count is data. (a) False (b) True
32. 32.🗒️ 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) an avatar shop
33. 33.🎯 Why learn about users before you build? (a) to slow it down (b) to build what they need (c) to pick a logo (d) to make it longer
34. 34.🗂️ What kind of app is a spelling coach? (a) a tool app (b) a health app (c) a learning app (d) a game
35. 35.True or false: tap to Save is an input. (a) False (b) True
36. 36.👥 A school app has 90 students, 80 teachers and 205 parents as users. How many more parents than teachers are there?
37. 37.🔢 When you make an app, what comes right after “plan the screens”? (a) release it (b) test the app (c) build the app (d) get an idea
38. 38.🎯 Which app would help this user most: a student who often misses the school bus? (a) a bus tracker (b) a water reminder (c) a big-text reader (d) a pocket-money tracker
39. 39.Which of these is a user need? (a) a dark mode switch (b) a share button (c) a reminder alarm (d) “I keep missing the bus”
40. 40.True or false: a website comes from an app store. (a) True (b) False

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