App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 355 · 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.🖼️ How many parts (boxes) does this wireframe have?
   [ big picture ]
   [ menu icon ]
   [ list of items ]
   [ tab bar ]
2. 2.True or false: how many taps it takes is about UX (the experience). (a) True (b) False
3. 3.💾 pop() takes off the last item. What does this code show?
   let friends = ["Riya", "Zoya", "Aman", "Arjun", "Meera"];
   friends.pop();
   show(friends[friends.length - 1]); (a) Riya (b) Arjun (c) Aman (d) Zoya
4. 4.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
5. 5.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
   Design A: Home → Search → Size → Address → Results → Menu → Pens
   Design B: Home → Item → Size → Search
6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Home tab
   2. open “Score card”
   3. open “Map”
   4. tap Back
   5. tap the Home tab
   How many times must you tap Back to reach the main screen of this tab?
7. 7.True or false: the sound on/off setting fits saving on the phone. (a) True (b) False
8. 8.🖼️ In this wireframe (top to bottom), what is right below the Save button?
   [ filter buttons ]
   [ search box ]
   [ big picture ]
   [ Save button ]
   [ title text ] (a) big picture (b) title text (c) filter buttons (d) search box
9. 9.💾 What is a variable? (a) a phone setting (b) a named box for a value (c) a type of screen (d) a picture
10. 10.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 72 px tall
    Help button: 72 px tall
    Back button: 24 px tall
    Start button: 56 px tall (a) Start (b) Help (c) Save (d) Back
11. 11.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
12. 12.Which of these helps everyone use the app? (a) fast-flashing lights (b) tiny tap areas (c) captions on videos (d) colour as the only clue
13. 13.💾 Where should the app save a class leaderboard: on the phone or in the cloud? (a) on the phone (b) in the cloud
14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Score card”
    3. open “Score card”
    4. tap the Profile tab
    5. tap the Home tab
    Which screen are you on now? (a) Search (b) Match report (c) Score card (d) Home
15. 15.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Profile tab
    4. open “Badges”
    5. open “Friend list”
    Which screen are you on now? (a) Search (b) Friend list (c) Home (d) Badges
17. 17.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ title text ]
    [ top bar ]
    [ Save button ]
    [ list of items ]
    [ big picture ] (a) top bar (b) Save button (c) title text (d) big picture
18. 18.🔢 In a food-order flow, which comes first: “pick a dish” or “add it to the cart”? (a) pick a dish (b) add it to the cart
19. 19.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) plays music (d) reads the screen aloud
20. 20.🌗 Is light grey on white easy or hard to read on a button? (a) hard to read (b) easy to read
21. 21.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) labels on every icon (d) strong colour contrast
22. 22.🔘 Our rule: buttons are at least 48 px tall. The Next button is 20 px tall. How many px taller must it be?
23. 23.Which of these fits saving on the phone? (a) chat messages to friends (b) a class leaderboard (c) a draft you are typing (d) photos on two devices
24. 24.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
25. 25.True or false: a final design looks like the real app. (a) False (b) True
26. 26.🌗 Is dark blue on black easy or hard to read on a button? (a) hard to read (b) easy to read
27. 27.🔘 Is this good or poor button design: grey text on grey? (a) good design (b) poor design
28. 28.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Shop → Menu → Pay → Search → Address → Results
    Design B: Home → Results → Pay → Pens → Address → Size (a) Design B (b) Design A
29. 29.🔀 A screen with no way forward or back is called a ___. (a) tab bar (b) home screen (c) dead end (d) shortcut
30. 30.True or false: your last game level fits saving on the phone. (a) True (b) False
31. 31.Which of these is true of a tab bar? (a) opens a list of pages (b) shows 3 to 5 icons (c) goes to the last screen (d) undoes one move
32. 32.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Cancel button: 24 px tall
    Next button: 64 px tall
    Send button: 68 px tall (a) Next (b) Cancel (c) Send
33. 33.Which of these is true of the back button? (a) hides extra links (b) switches main sections (c) undoes one move (d) sits at the bottom
34. 34.🎨 Is this about UI or UX: the screen layout? (a) UX (b) UI
35. 35.True or false: how easy sign-up is is about UI (the look). (a) True (b) False
36. 36.Which of these fits saving on the phone? (a) photos on two devices (b) a class leaderboard (c) a shared to-do list (d) the sound on/off setting
37. 37.🔢 In a photo-post flow, which comes first: “post the photo” or “write a caption”? (a) write a caption (b) post the photo
38. 38.🖼️ In this wireframe (top to bottom), what is right below the list of items?
    [ list of items ]
    [ title text ]
    [ top bar ]
    [ tab bar ] (a) tab bar (b) title text (c) top bar
39. 39.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
40. 40.🖼️ How many parts (boxes) does this wireframe have?
    [ title text ]
    [ list of items ]
    [ Save button ]
    [ Add button ]
    [ top bar ]

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