App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 900 · 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.🔘 Is this good or poor button design: a clear word like Save? (a) good design (b) poor design
2. 2.True or false: how users feel after is about UX (the experience). (a) True (b) False
3. 3.🖼️ In this wireframe (top to bottom), what is right below the menu icon?
   [ search box ]
   [ menu icon ]
   [ Add button ]
   [ top bar ]
   [ big picture ]
   [ tab bar ] (a) big picture (b) top bar (c) tab bar (d) Add button
4. 4.🔍 Which is the odd one out? (a) how fast a task is done (b) how many taps it takes (c) how easy sign-up is (d) the button colours
5. 5.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Help page”
   2. tap the Chat tab
   3. open “Score card”
   4. tap Back
   5. open “Edit photo”
   How many times must you tap Back to reach the main screen of this tab?
7. 7.True or false: a final design has the real colours. (a) False (b) True
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 20 px
   Label: 11 px
   Caption: 16 px
   Menu: 21 px
   Body text: 19 px
9. 9.Which of these is true of the back button? (a) sits at the bottom (b) shows 3 to 5 icons (c) undoes one move (d) hides extra links
10. 10.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “pick an answer”? (a) tap “Start quiz” (b) pick an answer
11. 11.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Confirm → Pay → Shop → Size
    Design B: Home → Size → Shop → Cart (a) Design A (b) Design B
12. 12.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to hide the sound (d) to slow them down
13. 13.🔢 In a sign-up flow, what comes right after “type name and email”? (a) open the app (b) tap “Sign up” (c) make a password (d) enter the code sent
14. 14.🌗 Is black on yellow easy or hard to read on a button? (a) easy to read (b) hard to read
15. 15.🔍 Which is the odd one out? (a) text that can grow (b) labels on every icon (c) big touch targets (d) fast-flashing lights
16. 16.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Back button: 28 px tall
    Next button: 72 px tall
    Start button: 52 px tall (a) Back (b) Next (c) Start
17. 17.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
18. 18.🔘 Is this good or poor button design: a big, easy tap area? (a) poor design (b) good design
19. 19.🖼️ In this wireframe (top to bottom), what is right below the tab bar?
    [ Add button ]
    [ search box ]
    [ tab bar ]
    [ list of items ] (a) list of items (b) Add button (c) search box
20. 20.🔢 In a quiz-app flow, what comes right after “read a question”? (a) pick an answer (b) see the final score (c) tap “Start quiz” (d) see if it is right
21. 21.✏️ A box with a cross in a wireframe usually means ___. (a) delete this (b) a closed app (c) a picture goes here (d) an error
22. 22.Which of these is about UI (the look)? (a) how easy sign-up is (b) how users feel after (c) how fast a task is done (d) the screen layout
23. 23.Which of these is true of a wireframe? (a) looks like the real app (b) shows where things go (c) has the real colours (d) uses the final pictures
24. 24.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Shop → Item → Cart → Pens
    Design B: Home → Pens → Confirm (a) Design A (b) Design B
25. 25.Which of these is about UX (the experience)? (a) the theme colours (b) the icon shapes (c) how easy sign-up is (d) the font size
26. 26.🔢 In a sign-up flow, which comes FIRST? (a) open the app (b) tap “Sign up” (c) type name and email (d) make a password
27. 27.True or false: how fast a task is done is about UX (the experience). (a) False (b) True
28. 28.🔢 In a quiz-app flow, which comes first: “read a question” or “pick an answer”? (a) read a question (b) pick an answer
29. 29.True or false: a big, easy tap area is good button design. (a) True (b) False
30. 30.🔘 Our rule: buttons are at least 48 px tall. The Next button is 36 px tall. How many px taller must it be?
31. 31.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Back button: 52 px tall
    Start button: 64 px tall
    Save button: 44 px tall (a) Save (b) Start (c) Back
32. 32.Which colour pair is hard to read? (a) black on yellow (b) white on dark green (c) yellow on white (d) black on pale grey
33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Settings tab
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
34. 34.🔘 Is this good or poor button design: a tiny 20 px button? (a) good design (b) poor design
35. 35.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) reads the screen aloud (d) takes photos
36. 36.True or false: the font size is about UX (the experience). (a) True (b) False
37. 37.🌗 Is light grey on white easy or hard to read on a button? (a) hard to read (b) easy to read
38. 38.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pay → Shop → Item → Menu → Size
    Design B: Home → Shop → Menu → Cart → Confirm → Size → Pens (a) Design B (b) Design A
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.🔢 In a sign-up flow, which comes LAST? (a) open the app (b) enter the code sent (c) see the home screen (d) type name and email

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students