App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 884 · 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) an app that just says hi (d) a lost-and-found board
2. 2.Which of these app ideas solves a real problem? (a) a button with no action (b) a bill splitter (c) a page of random dots (d) an app that just says hi
3. 3.🗒️ A to-do app with no “add a task” feature is ___. (a) ready to release (b) a nice extra (c) missing a must-have (d) well planned
4. 4.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 590; // typed by the user
   line 2: let off = 50; // typed by the user
   line 3: let pay = price - off;
   line 4: show(pay); (a) line 4 (b) line 1 (c) line 3 (d) line 2
5. 5.Which of these is an input? (a) a beep sound (b) typing your age (c) working out a tip (d) a pop-up message
6. 6.📊 Survey: which problem bugs you most? How many more votes did “no quiet study place” get than “forgetting homework”?
   forgetting birthdays: 6 votes
   no quiet study place: 21 votes
   forgetting homework: 12 votes
7. 7.🗒️ Version 1 of a quiz app must be ready in 13 days. How many days are left for extras after the must-haves?
   show a question: 1 days
   check the answer: 3 days
   show the score: 4 days
8. 8.🗒️ In MVP, the M stands for ___. (a) mobile (b) music (c) minimum (d) maximum
9. 9.🔍 Which is the odd one out? (a) try every button (b) pick the features (c) sketch the screens (d) draw the user flow
10. 10.🧩 In an app, what is a slider for volume? (a) an input (b) a button (c) a screen (d) data
11. 11.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] New Note
    [button] Next
    [text box] Due date
    [text box] Phone
    [button] Done
    [button] Start
12. 12.Which of these happens at the test stage? (a) connect the data (b) draw the user flow (c) try every button (d) talk to possible users
13. 13.Which of these is a screen? (a) your high score (b) today’s step count (c) the settings page (d) your friends list
14. 14.⚙️ In an app, is speaking a command an input, processing or an output? (a) processing (b) output (c) input
15. 15.True or false: a pop-up message is processing. (a) False (b) True
16. 16.Which of these is a button? (a) the settings page (b) a switch for dark mode (c) the game-over page (d) tap to Start
17. 17.Which of these is a screen? (a) tap to Save (b) your high score (c) the home page of an app (d) your friends list
18. 18.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 80; // typed by the user
    line 2: let qty = 2; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 1 (b) line 4 (c) line 3 (d) line 2
19. 19.Which of these is true of an app? (a) is installed on a phone (b) needs no installing (c) opens in a web browser (d) opens from a link
20. 20.🎯 A short made-up profile of a typical user is called a ___. (a) pixel (b) password (c) persona (d) protocol
21. 21.True or false: the settings page is an input. (a) True (b) False
22. 22.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) background music (b) show the score (c) confetti effects (d) an avatar shop
23. 23.🗒️ 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: 4 days
    set a due date: 2 days
    see tasks by day: 4 days
24. 24.📅 An app team plans for 4 days, builds for 6 days, tests for 3 days and releases on 1 more day. How many more days does building take than testing?
25. 25.📱 Which one needs no installing: an app or a website? (a) an app (b) a website
26. 26.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) add money spent (b) add money received (c) show the balance (d) pie-chart colours
27. 27.True or false: a library due-date alert solves no real problem. (a) False (b) True
28. 28.Which of these is an input? (a) a beep sound (b) adding up a bill (c) taking a photo (d) a pop-up message
29. 29.Which of these is true of a website? (a) has a home-screen icon (b) comes from an app store (c) is installed on a phone (d) opens in a web browser
30. 30.🧩 In an app, what is the game-over page? (a) a button (b) a screen (c) an input (d) data
31. 31.True or false: an app has a web address. (a) True (b) False
32. 32.True or false: an app needs no installing. (a) True (b) False
33. 33.🧩 How many buttons does this app screen have?
    [title] New Note
    [slider] Brightness
    [button] Done
    [text box] Due date
    [switch] Dark mode
34. 34.🧩 In an app, what is a switch for dark mode? (a) an input (b) a button (c) data (d) a screen
35. 35.📅 An app team plans for 5 days, builds for 9 days, tests for 1 days and releases on 1 more day. How many more days does building take than testing?
36. 36.🔍 Which is the odd one out? (a) adding up a bill (b) tapping a button (c) taking a photo (d) speaking a command
37. 37.🧩 Which of these is a button on this screen?
    [title] Edit Profile
    [text box] Age
    [slider] Volume
    [switch] Dark mode
    [button] Save
    [button] Done
    [text box] Email
    [text box] Subject
    [button] Send (a) Age (b) Subject (c) Email (d) Done
38. 38.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) earn stickers (b) share tasks to friends (c) see tasks by day (d) pick a theme colour
39. 39.🗂️ What kind of app is a water reminder? (a) a learning app (b) a tool app (c) a game (d) a health app
40. 40.🗒️ When should nice-to-have features be built? (a) on day one (b) before anything (c) after the must-haves (d) never

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