App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 643 · 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.🧩 How many buttons does this app screen have?
   [title] Sign Up
   [text box] Due date
   [text box] Name
   [button] Help
   [text box] Notes
   [button] Save
   [slider] Text size
2. 2.🔍 Which is the odd one out? (a) add the buttons (b) write the code (c) spot a problem to solve (d) connect the data
3. 3.⚙️ Which line does the processing (works out the answer)?
   line 1: let km = 15; // typed by the user
   line 2: let metres = km * 1000;
   line 3: show(metres); (a) line 1 (b) line 3 (c) line 2
4. 4.True or false: you spot a problem to solve at the idea stage. (a) False (b) True
5. 5.🗒️ Version 1 of a quiz app must be ready in 9 days. How many days are left for extras after the must-haves?
   show a question: 2 days
   check the answer: 3 days
   show the score: 3 days
6. 6.🔍 Which is the odd one out? (a) typing your age (b) adding up a bill (c) taking a photo (d) tapping a button
7. 7.Which of these happens at the release stage? (a) list what users need (b) put it on an app store (c) draw the user flow (d) write down the bugs
8. 8.⚙️ What number does this app show?
   let price = 220; // typed by the user
   let off = 20; // typed by the user
   let pay = price - off;
   show(pay);
9. 9.🗒️ Version 1 of a homework planner must be ready in 8 days. How many days are left for extras after the must-haves?
   add a homework task: 1 days
   set a due date: 3 days
   see tasks by day: 2 days
10. 10.🗂️ What kind of app is a water reminder? (a) a learning app (b) a health app (c) a game (d) a tool app
11. 11.🎯 Which app would help this user most: a child saving up for a cycle? (a) a homework planner (b) a big-text reader (c) a water reminder (d) a pocket-money tracker
12. 12.True or false: a spelling coach is a learning app. (a) True (b) False
13. 13.Which of these happens at the idea stage? (a) draw the user flow (b) spot a problem to solve (c) connect the data (d) sketch the screens
14. 14.🧩 In an app, what is the game-over page? (a) a button (b) data (c) an input (d) a screen
15. 15.📊 Survey: which problem bugs you most? How many more votes did “missing the bus” get than “forgetting homework”?
    missing the bus: 4 votes
    no quiet study place: 9 votes
    forgetting homework: 3 votes
16. 16.🛠️ At which stage do you share the download link? (a) the idea stage (b) the release stage (c) the test stage (d) the plan stage
17. 17.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 40; // typed by the user
    line 2: let qty = 6; // 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
18. 18.🎯 Which app would help this user most: a teen learning to make snacks? (a) a recipe finder (b) a bus tracker (c) a pocket-money tracker (d) a homework planner
19. 19.🎯 Is this a user need or a feature: “I forget my homework”? (a) a feature (b) a user need
20. 20.Which of these app ideas solves a real problem? (a) a blank grey screen (b) a button with no action (c) an app that just says hi (d) a lost-and-found board
21. 21.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) add money received (b) add money spent (c) pie-chart colours (d) show the balance
22. 22.⚙️ In an app, is a result on screen an input, processing or an output? (a) processing (b) input (c) output
23. 23.💡 Does an app idea like a free study-room finder solve a real problem? (a) No (b) Yes
24. 24.⚙️ In an app, is adding up a bill an input, processing or an output? (a) input (b) processing (c) output
25. 25.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) water animations (b) log a glass of water (c) see today’s total (d) set a reminder time
26. 26.📊 Survey: which problem bugs you most? How many students voted in all?
    losing water bottles: 10 votes
    wasting pocket money: 14 votes
    forgetting homework: 13 votes
27. 27.👥 A school app has 155 students, 75 teachers and 85 parents as users. How many more parents than teachers are there?
28. 28.🗒️ In MVP, the M stands for ___. (a) maximum (b) mobile (c) music (d) minimum
29. 29.🧩 How many buttons does this app screen have?
    [title] New Note
    [button] Start
    [text box] Subject
    [slider] Brightness
30. 30.Which of these is true of an app? (a) opens from a link (b) opens in a web browser (c) comes from an app store (d) needs no installing
31. 31.🗒️ Version 1 of a water reminder must be ready in 8 days. How many days are left for extras after the must-haves?
    set a reminder time: 1 days
    log a glass of water: 3 days
    see today’s total: 3 days
32. 32.📱 Which one opens from a link: an app or a website? (a) an app (b) a website
33. 33.🧩 Scores, notes and settings that an app keeps are called ___. (a) data (b) screens (c) buttons (d) tabs
34. 34.True or false: sorting the scores is an output. (a) False (b) True
35. 35.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting birthdays: 17 votes
    wasting pocket money: 24 votes
    forgetting homework: 9 votes
36. 36.💡 Does an app idea like a blank grey screen solve a real problem? (a) No (b) Yes
37. 37.📊 Survey: which problem bugs you most? How many students voted in all?
    no quiet study place: 8 votes
    missing the bus: 20 votes
    forgetting birthdays: 19 votes
38. 38.💡 A good app idea starts with ___. (a) a cool logo (b) a long name (c) a problem to solve (d) many colours
39. 39.⚙️ In an app, is a beep sound an input, processing or an output? (a) input (b) processing (c) output
40. 40.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) an avatar shop (b) show the score (c) background music (d) confetti effects

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