App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 254 · 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?
   [ top bar ]
   [ search box ]
   [ list of items ]
   [ menu icon ]
   [ Add button ]
   [ filter buttons ]
2. 2.🔢 In a quiz-app flow, which comes first: “read a question” or “tap “Start quiz””? (a) tap “Start quiz” (b) read a question
3. 3.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Map”
   2. tap the Profile tab
   3. tap the Home tab
   4. open “Friend list”
   5. open “Map”
   Which screen are you on now? (a) Search (b) Friend list (c) Home (d) Map
5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Home tab
   2. tap the Search tab
   3. open “Map”
   4. open “Map”
   Which screen are you on now? (a) Profile (b) Map (c) Home (d) Search
6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Feed tab
   2. open “Video”
   3. tap Back
   4. tap the Feed tab
   How many times must you tap Back to reach the main screen of this tab?
7. 7.True or false: a clear word like Save is poor button design. (a) True (b) False
8. 8.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) light grey on white (d) black on yellow
9. 9.🔢 In a sign-up flow, what comes right after “make a password”? (a) enter the code sent (b) open the app (c) type name and email (d) tap “Sign up”
10. 10.True or false: a clear word like Save is good button design. (a) True (b) False
11. 11.Which of these is true of the back button? (a) switches main sections (b) shows 3 to 5 icons (c) sits at the bottom (d) goes to the last screen
12. 12.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Done button: 52 px tall
    Back button: 52 px tall
    Send button: 64 px tall
13. 13.True or false: the icon shapes is about UX (the experience). (a) True (b) False
14. 14.🖼️ How many parts (boxes) does this wireframe have?
    [ Save button ]
    [ filter buttons ]
    [ search box ]
    [ list of items ]
15. 15.🖼️ In this wireframe (top to bottom), what is right below the search box?
    [ Add button ]
    [ search box ]
    [ top bar ]
    [ big picture ] (a) big picture (b) Add button (c) top bar
16. 16.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Shop → Search → Size
    Design B: Home → Pens → Menu → Pay → Search → Size
17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Lessons tab
    3. open “Video”
    4. open “Match report”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
18. 18.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a final design (b) a wireframe
19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. tap the Lessons tab
    4. open “Video”
    5. open “Video”
    Which screen are you on now? (a) Quiz (b) Lessons (c) Edit photo (d) Video
20. 20.🎨 Fewer taps to finish a task usually means ___. (a) a bigger app (b) more colours (c) worse UX (d) better UX
21. 21.💾 What number does this code show?
    let coins = 3;
    coins = coins - 1;
    coins = coins + 2;
    show(coins);
22. 22.💾 What does this code show? (Positions start at 0.)
    let songs = ["Rain", "Ocean", "Stars"];
    show(songs[0]); (a) Rain (b) Ocean (c) Stars
23. 23.Which of these fits saving on the phone? (a) a shared to-do list (b) chat messages to friends (c) photos on two devices (d) the sound on/off setting
24. 24.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) pale pink on white (d) white on black
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Footer: 13 px
    Label: 25 px (a) Footer (b) Label (c) Title
26. 26.True or false: the font size is about UX (the experience). (a) False (b) True
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 18 px
    Hint: 11 px
    Title: 12 px
    Footer: 13 px
28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Help page”
    3. tap the Feed tab
    Which screen are you on now? (a) Help page (b) Chat (c) Feed (d) Friend list
29. 29.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
30. 30.🖼️ How many parts (boxes) does this wireframe have?
    [ tab bar ]
    [ menu icon ]
    [ Add button ]
    [ search box ]
31. 31.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Offers → Pens → Pay
    Design B: Home → Menu → Item → Offers → Size → Search (a) Design A (b) Design B
32. 32.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Cancel button: 64 px tall
    Send button: 32 px tall
    Back button: 72 px tall (a) Back (b) Cancel (c) Send
33. 33.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “see the home screen”? (a) see the home screen (b) tap “Sign up”
34. 34.True or false: a final design looks like the real app. (a) False (b) True
35. 35.Which of these is true of a menu button? (a) sits at the bottom (b) shows 3 to 5 icons (c) opens a list of pages (d) undoes one move
36. 36.💾 Data saved only on the phone is lost when ___. (a) the screen turns off (b) you send a message (c) the phone is lost (d) the app is closed
37. 37.✏️ Why draw a wireframe before coding? (a) it saves data (b) changes are quick (c) it adds colours (d) it runs the app
38. 38.Which of these is true of a wireframe? (a) uses plain grey boxes (b) looks like the real app (c) has the real colours (d) uses the final pictures
39. 39.🎨 A beautiful app that confuses everyone has ___. (a) no UI at all (b) perfect UX (c) good UX but poor UI (d) good UI but poor UX
40. 40.💾 Where should the app save a draft you are typing: on the phone or in the cloud? (a) on the phone (b) in the cloud

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