App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 34 · 40 questions

Developer's tip (Think like the user): First decide which topic the question is about. Use that lesson’s rule: 48 px buttons, 16 px text, the screen stack, the flow order. For code, count positions from 0.

1. 1.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Profile tab
   2. open “Match report”
   3. tap the Profile tab
   Which screen are you on now? (a) Match report (b) Profile (c) Search (d) Home
2. 2.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Confirm → Menu
   Design B: Home → Search → Item → Results → Shop → Address → Menu (a) Design A (b) Design B
3. 3.💾 In most code, the first item of a list is at position ___. (a) 1 (b) 10 (c) 2 (d) 0
4. 4.🖼️ How many parts (boxes) does this wireframe have?
   [ top bar ]
   [ tab bar ]
   [ list of items ]
   [ search box ]
5. 5.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ Add button ]
   [ search box ]
   [ list of items ]
   [ tab bar ]
   [ title text ] (a) list of items (b) search box (c) tab bar (d) title text
6. 6.✏️ A box with a cross in a wireframe usually means ___. (a) an error (b) delete this (c) a picture goes here (d) a closed app
7. 7.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Menu → Confirm
   Design B: Home → Search → Offers → Pens → Results → Cart
8. 8.🔘 Our rule: buttons are at least 48 px tall. The Start button is 32 px tall. How many px taller must it be?
9. 9.True or false: a draft you are typing fits saving on the phone. (a) True (b) False
10. 10.🔢 In a food-order flow, what comes right after “check the cart”? (a) pay for the order (b) open the menu (c) add it to the cart (d) track the order
11. 11.✏️ Do wireframes usually show the final colours? (a) No (b) Yes
12. 12.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
13. 13.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Score card”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
15. 15.Which of these is true of a tab bar? (a) undoes one move (b) hides extra links (c) goes to the last screen (d) shows 3 to 5 icons
16. 16.🔢 In a sign-up flow, which comes first: “type name and email” or “see the home screen”? (a) see the home screen (b) type name and email
17. 17.🎨 UX stands for user ___. (a) experience (b) express (c) extra (d) example
18. 18.✏️ What is the easiest way to draw a first wireframe? (a) a 3D printer (b) a phone case (c) pencil and paper (d) a microphone
19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Help page”
    4. open “Badges”
    Which screen are you on now? (a) Feed (b) Help page (c) Friend list (d) Badges
20. 20.💾 What number does this code show?
    let notes = ["Maths", "Science"];
    notes.push("Art");
    show(notes.length);
21. 21.True or false: a final design uses the final pictures. (a) False (b) True
22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Quiz tab
    3. open “Score card”
    4. open “Score card”
    5. open “Score card”
    Which screen are you on now? (a) Lessons (b) Help page (c) Quiz (d) Score card
23. 23.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) pale pink on white (d) black on yellow
24. 24.🔘 Is this good or poor button design: a clear word like Save? (a) good design (b) poor design
25. 25.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) captions on videos (d) sudden loud sounds
26. 26.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) makes text tiny (d) plays music
27. 27.🔘 Is this good or poor button design: grey text on grey? (a) poor design (b) good design
28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. tap the Feed tab
    Which screen are you on now? (a) Match report (b) Settings (c) Feed (d) Chat
29. 29.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) the server (d) colour-blind users
30. 30.True or false: icons with no meaning is good button design. (a) False (b) True
31. 31.Which of these is about UI (the look)? (a) how fast a task is done (b) how easy sign-up is (c) the theme colours (d) how users feel after
32. 32.Which of these fits saving on the phone? (a) a shared to-do list (b) chat messages to friends (c) your last game level (d) photos on two devices
33. 33.🖼️ How many parts (boxes) does this wireframe have?
    [ Add button ]
    [ title text ]
    [ big picture ]
    [ filter buttons ]
    [ list of items ]
34. 34.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 48 px tall
    Start button: 32 px tall
    Cancel button: 68 px tall
    Next button: 64 px tall (a) Start (b) Cancel (c) Next (d) Save
35. 35.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
36. 36.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
37. 37.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Cancel button: 64 px tall
    Back button: 48 px tall
    Send button: 52 px tall
    Next button: 36 px tall
38. 38.True or false: how fast a task is done is about UI (the look). (a) False (b) True
39. 39.True or false: a wireframe shows where things go. (a) False (b) True
40. 40.💾 What does this code show? (Positions start at 0.)
    let notes = ["Art", "Hindi", "Sports"];
    show(notes[1]); (a) Sports (b) Hindi (c) Art

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