App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 661 · 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 = 304; // typed by the user
   let friends = 4; // typed by the user
   let share = bill / friends;
   show(share);
2. 2.🧩 In an app, what is the home page of an app? (a) data (b) a button (c) an input (d) a screen
3. 3.🔍 Which is the odd one out? (a) a result on screen (b) working out a tip (c) sorting the scores (d) checking a password
4. 4.Which of these happens at the release stage? (a) talk to possible users (b) try every button (c) share the download link (d) list what users need
5. 5.Which of these is true of an app? (a) opens from a link (b) needs no installing (c) opens in a web browser (d) is installed on a phone
6. 6.True or false: a website opens in a web browser. (a) False (b) True
7. 7.True or false: a beep sound is an output. (a) True (b) False
8. 8.🧩 In an app, what is a date picker? (a) data (b) a screen (c) a button (d) an input
9. 9.🔢 After an app is released, which comes LAST? (a) read user reviews (b) list what to fix (c) test it again (d) release an update
10. 10.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) export to a file (b) savings stickers (c) pie-chart colours (d) add money spent
11. 11.🗒️ The first small, working version of an app is often called an ___. (a) FAQ (b) URL (c) MVP (d) CPU
12. 12.Which of these is a screen? (a) your saved notes (b) a switch for dark mode (c) the game-over page (d) tap to Start
13. 13.📱 Which one is installed on a phone: an app or a website? (a) an app (b) a website
14. 14.🗒️ Version 1 of a water reminder must be ready in 13 days. How many days are left for extras after the must-haves?
    set a reminder time: 3 days
    log a glass of water: 3 days
    see today’s total: 2 days
15. 15.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) add money received (b) export to a file (c) savings stickers (d) pie-chart colours
16. 16.Which of these app ideas solves a real problem? (a) a page of random dots (b) a library due-date alert (c) a blank grey screen (d) a button with no action
17. 17.💡 A good app idea starts with ___. (a) a cool logo (b) many colours (c) a problem to solve (d) a long name
18. 18.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 244; // typed by the user
    line 2: let friends = 4; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share); (a) line 1 (b) line 3 (c) line 4 (d) line 2
19. 19.⚙️ In an app, is a pop-up message an input, processing or an output? (a) output (b) input (c) processing
20. 20.🧩 In an app, what is your high score? (a) a screen (b) data (c) a button (d) an input
21. 21.Which of these is an input? (a) a result on screen (b) taking a photo (c) sorting the scores (d) a pop-up message
22. 22.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) set a due date (b) see tasks by day (c) add a homework task (d) earn stickers
23. 23.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) a dark mode (b) rate the driver (c) change the bus icon (d) show arrival time
24. 24.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) share tasks to friends (b) see tasks by day (c) pick a theme colour (d) earn stickers
25. 25.🗂️ What kind of app is a times-table quiz? (a) a health app (b) a tool app (c) a learning app (d) a game
26. 26.🎯 An app for “everyone” with no clear user usually ___. (a) is easy to build (b) helps nobody well (c) needs no testing (d) wins every prize
27. 27.📴 Which of these can often still work with no internet? (a) a new website (b) an installed app (c) an online search (d) a video call
28. 28.🎯 Is this a user need or a feature: a search bar? (a) a user need (b) a feature
29. 29.Which of these is a screen? (a) a slider for volume (b) tap to Send (c) your saved notes (d) the home page of an app
30. 30.🔍 Which is the odd one out? (a) sketch the screens (b) pick the features (c) draw the user flow (d) talk to possible users
31. 31.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 80; // typed by the user
    line 2: let friends = 5; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share); (a) line 1 (b) line 4 (c) line 3 (d) line 2
32. 32.Which of these is a user need? (a) a share button (b) “What should I cook?” (c) a reminder alarm (d) a dark mode switch
33. 33.🔢 After an app is released, what comes right after “test it again”? (a) fix and improve (b) read user reviews (c) release an update (d) list what to fix
34. 34.📊 Survey: which problem bugs you most? How many more votes did “losing water bottles” get than “forgetting birthdays”?
    missing the bus: 21 votes
    losing water bottles: 13 votes
    forgetting birthdays: 7 votes
35. 35.Which of these is processing? (a) a buzz (vibration) (b) typing your age (c) speaking a command (d) checking a password
36. 36.💡 How can you check that people really have the problem? (a) just guess (b) ask possible users (c) pick a colour (d) copy another app
37. 37.💡 Does an app idea like a medicine reminder solve a real problem? (a) Yes (b) No
38. 38.True or false: an app is installed on a phone. (a) False (b) True
39. 39.🎯 A short made-up profile of a typical user is called a ___. (a) password (b) protocol (c) persona (d) pixel
40. 40.🔢 When you make an app, which comes LAST? (a) get an idea (b) release it (c) test the app (d) build the app

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