App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 331 · 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.🧩 Scores, notes and settings that an app keeps are called ___. (a) data (b) screens (c) buttons (d) tabs
2. 2.📅 An app team plans for 3 days, builds for 9 days, tests for 1 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
3. 3.⚙️ What number does this app show?
   let bill = 270; // typed by the user
   let friends = 5; // typed by the user
   let share = bill / friends;
   show(share);
4. 4.🧩 Which of these is a button on this screen?
   [title] Sign Up
   [button] Help
   [slider] Text size
   [button] Send
   [button] Next
   [text box] Name (a) Name (b) Next (c) Text size
5. 5.Which of these is true of an app? (a) has a web address (b) opens from a link (c) updates from the store (d) opens in a web browser
6. 6.🗒️ When should nice-to-have features be built? (a) before anything (b) on day one (c) after the must-haves (d) never
7. 7.True or false: a puzzle with levels is a game. (a) False (b) True
8. 8.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) pick a theme colour (b) share tasks to friends (c) set a due date (d) earn stickers
9. 9.💡 A good app idea starts with ___. (a) a long name (b) many colours (c) a cool logo (d) a problem to solve
10. 10.🧩 In an app, what is the log-in page? (a) an input (b) a screen (c) data (d) a button
11. 11.True or false: a buzz (vibration) is an input. (a) False (b) True
12. 12.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Add Homework
    [slider] Volume
    [button] Cancel
    [text box] Name
13. 13.Which of these is processing? (a) sorting the scores (b) a pop-up message (c) typing your age (d) speaking a command
14. 14.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    missing the bus: 8 votes
    losing water bottles: 9 votes
    wasting pocket money: 25 votes (a) losing water bottles (b) missing the bus (c) wasting pocket money
15. 15.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] New Note
    [slider] Brightness
    [button] Start
    [text box] Email
    [text box] Name
    [switch] Dark mode
    [button] Save
    [button] Cancel
16. 16.True or false: a pocket-money tracker is the best fit for a child saving up for a cycle. (a) True (b) False
17. 17.🗒️ You are planning version 1 of a bus tracker. Which feature can WAIT for a later version? (a) see where the bus is (b) change the bus icon (c) show arrival time (d) pick your bus stop
18. 18.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 5; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 3 (b) line 1 (c) line 2
19. 19.🧩 In an app, what is the game-over page? (a) data (b) an input (c) a button (d) a screen
20. 20.🧩 How many buttons does this app screen have?
    [title] Settings
    [button] Back
    [text box] Name
    [text box] Due date
    [button] Save
    [button] Send
21. 21.🛠️ At which stage do you pick the features? (a) the test stage (b) the release stage (c) the plan stage (d) the idea stage
22. 22.🧩 Which part lets the user give the app information? (a) an input (b) a title (c) an icon (d) a logo
23. 23.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) change the bus icon (b) a dark mode (c) show arrival time (d) rate the driver
24. 24.👥 A school app has 240 students, 280 teachers and 235 parents as users. How many users does it have in all?
25. 25.📊 Survey: which problem bugs you most? How many students voted in all?
    missing the bus: 4 votes
    no quiet study place: 24 votes
    losing water bottles: 14 votes
26. 26.📅 An app team plans for 5 days, builds for 10 days, tests for 2 days and releases on 1 more day. How many more days does building take than testing?
27. 27.🗒️ Version 1 of a water reminder must be ready in 7 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
28. 28.True or false: a torch is a game. (a) True (b) False
29. 29.🔍 Which is the odd one out? (a) a cricket run chase (b) a puzzle with levels (c) a word battle (d) a step counter
30. 30.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    losing water bottles: 16 votes
    no quiet study place: 7 votes
    forgetting homework: 6 votes (a) no quiet study place (b) forgetting homework (c) losing water bottles
31. 31.Which of these is a screen? (a) your friends list (b) your high score (c) the log-in page (d) a slider for volume
32. 32.⚙️ What number does this app show?
    let price = 310; // typed by the user
    let off = 30; // typed by the user
    let pay = price - off;
    show(pay);
33. 33.🧩 Which of these is a button on this screen?
    [title] Order Snacks
    [button] Help
    [switch] Dark mode
    [text box] Notes (a) Notes (b) Dark mode (c) Help
34. 34.Which of these is an input? (a) your high score (b) a box to type a name (c) today’s step count (d) your saved notes
35. 35.True or false: tap to go Next is a button. (a) False (b) True
36. 36.True or false: a water reminder is a game. (a) False (b) True
37. 37.🎯 Which app would help this user most: a gamer who forgets to drink? (a) a bus tracker (b) a big-text reader (c) a pocket-money tracker (d) a water reminder
38. 38.⚙️ In an app, is a buzz (vibration) an input, processing or an output? (a) processing (b) input (c) output
39. 39.💡 Does an app idea like a blank grey screen solve a real problem? (a) Yes (b) No
40. 40.🧩 In an app, what is a box to type a name? (a) data (b) a button (c) a screen (d) an input

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