App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 35 · 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.⚙️ What number does this app show?
   let bill = 265; // typed by the user
   let friends = 5; // typed by the user
   let share = bill / friends;
   show(share);
2. 2.🔍 Which is the odd one out? (a) share the download link (b) write the store text (c) put it on an app store (d) write the code
3. 3.🗒️ What is a must-have feature? (a) a nice extra (b) a sound effect (c) a colour theme (d) one the app cannot skip
4. 4.🗂️ What kind of app is a step counter? (a) a learning app (b) a tool app (c) a game (d) a health app
5. 5.🧩 In an app, what is tap to Start? (a) an input (b) a button (c) data (d) a screen
6. 6.📅 An app team plans for 2 days, builds for 9 days, tests for 1 days and releases on 1 more day. How many more days does building take than testing?
7. 7.🎯 Is this a user need or a feature: “What should I cook?”? (a) a feature (b) a user need
8. 8.Which of these happens at the plan stage? (a) talk to possible users (b) add the buttons (c) write the store text (d) draw the user flow
9. 9.True or false: your friends list is data. (a) True (b) False
10. 10.🎯 Is this a user need or a feature: a search bar? (a) a feature (b) a user need
11. 11.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) see where the bus is (b) change the bus icon (c) a dark mode (d) rate the driver
12. 12.True or false: a button with no action solves no real problem. (a) True (b) False
13. 13.True or false: a pocket-money tracker is the best fit for a teen whose money runs out by Friday. (a) False (b) True
14. 14.🔍 Which is the odd one out? (a) a beep sound (b) typing your age (c) a result on screen (d) a buzz (vibration)
15. 15.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 14; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 3 (b) line 2 (c) line 1
16. 16.🧩 In an app, what is tap to Send? (a) a button (b) an input (c) a screen (d) data
17. 17.True or false: a times-table quiz is a learning app. (a) False (b) True
18. 18.🔢 When you make an app, which comes FIRST? (a) release it (b) plan the screens (c) build the app (d) get an idea
19. 19.🔍 Which is the odd one out? (a) taking a photo (b) tapping a button (c) typing your age (d) adding up a bill
20. 20.Which of these app ideas solves a real problem? (a) an app that just says hi (b) a button with no action (c) a lost-and-found board (d) a blank grey screen
21. 21.🔢 When you make an app, which comes LAST? (a) get an idea (b) test the app (c) release it (d) build the app
22. 22.Which of these is true of an app? (a) has a home-screen icon (b) opens from a link (c) opens in a web browser (d) needs no installing
23. 23.🎯 Is this a user need or a feature: a dark mode switch? (a) a feature (b) a user need
24. 24.📅 An app team plans for 4 days, builds for 8 days, tests for 2 days and releases on 1 more day. How many days does the whole project take?
25. 25.True or false: you put it on an app store at the build stage. (a) False (b) True
26. 26.🎯 Is this a user need or a feature: “I forget my homework”? (a) a user need (b) a feature
27. 27.👥 A school app has 50 students, 180 teachers and 75 parents as users. How many users does it have in all?
28. 28.Which of these is an input? (a) your high score (b) the home page of an app (c) your friends list (d) a date picker
29. 29.💡 Does an app idea like a medicine reminder solve a real problem? (a) No (b) Yes
30. 30.Which of these app ideas solves a real problem? (a) a button with no action (b) a page of random dots (c) a medicine reminder (d) an app that just says hi
31. 31.🗒️ A to-do app with no “add a task” feature is ___. (a) missing a must-have (b) a nice extra (c) ready to release (d) well planned
32. 32.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “forgetting homework”?
    forgetting homework: 8 votes
    no quiet study place: 17 votes
    wasting pocket money: 23 votes
33. 33.Which of these is an input? (a) the settings page (b) a switch for dark mode (c) tap to Send (d) your friends list
34. 34.📱 Which one opens in a web browser: an app or a website? (a) a website (b) an app
35. 35.True or false: today’s step count is data. (a) True (b) False
36. 36.⚙️ What number does this app show?
    let price = 430; // typed by the user
    let off = 30; // typed by the user
    let pay = price - off;
    show(pay);
37. 37.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) background music (b) check the answer (c) show a question (d) show the score
38. 38.🗒️ Version 1 of a homework planner must be ready in 12 days. How many days are left for extras after the must-haves?
    add a homework task: 3 days
    set a due date: 4 days
    see tasks by day: 2 days
39. 39.⚙️ In an app, is a result on screen an input, processing or an output? (a) output (b) input (c) processing
40. 40.⚙️ In an app, is taking a photo an input, processing or an output? (a) output (b) processing (c) input

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