App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 665 · 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.True or false: how users feel after is about UI (the look). (a) True (b) False
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 20 px
   Body text: 21 px
   Caption: 15 px
3. 3.♿ Accessibility means an app works for ___. (a) everyone (b) only experts (c) only the coder (d) nobody
4. 4.🔢 In a sign-up flow, which comes FIRST? (a) open the app (b) tap “Sign up” (c) make a password (d) type name and email
5. 5.🖼️ How many parts (boxes) does this wireframe have?
   [ list of items ]
   [ filter buttons ]
   [ search box ]
   [ top bar ]
   [ Save button ]
   [ big picture ]
6. 6.💾 What number does this code show?
   let friends = ["Riya", "Arjun", "Aman", "Kabir"];
   friends.push("Meera");
   show(friends.length);
7. 7.🔘 Is this good or poor button design: space between buttons? (a) poor design (b) good design
8. 8.True or false: a draft you are typing fits saving on the phone. (a) False (b) True
9. 9.🎨 Is this about UI or UX: how many taps it takes? (a) UI (b) UX
10. 10.🔘 Is this good or poor button design: a big, easy tap area? (a) poor design (b) good design
11. 11.💾 In most code, the first item of a list is at position ___. (a) 1 (b) 0 (c) 10 (d) 2
12. 12.🔍 Which is the odd one out? (a) how fast a task is done (b) the screen layout (c) the button colours (d) the theme colours
13. 13.Which colour pair is hard to read? (a) light grey on white (b) white on dark green (c) dark blue on white (d) white on black
14. 14.Which of these is about UI (the look)? (a) whether users get lost (b) how users feel after (c) the font size (d) how fast a task is done
15. 15.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
16. 16.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
17. 17.Which of these fits saving in the cloud? (a) your last game level (b) notes to read offline (c) the sound on/off setting (d) chat messages to friends
18. 18.🖼️ In this wireframe (top to bottom), what is right below the list of items?
    [ list of items ]
    [ tab bar ]
    [ Save button ]
    [ filter buttons ] (a) filter buttons (b) tab bar (c) Save button
19. 19.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
20. 20.True or false: a shared to-do list fits saving in the cloud. (a) True (b) False
21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Profile tab
    3. open “Match report”
    Which screen are you on now? (a) Search (b) Home (c) Help page (d) Match report
22. 22.Which of these is true of the back button? (a) undoes one move (b) switches main sections (c) sits at the bottom (d) opens a list of pages
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 10 px
    Menu: 18 px
    Body text: 20 px (a) Menu (b) Body text (c) Title
24. 24.🔢 In a sign-up flow, which comes LAST? (a) see the home screen (b) make a password (c) tap “Sign up” (d) type name and email
25. 25.🖼️ In this wireframe (top to bottom), what is right above the filter buttons?
    [ tab bar ]
    [ filter buttons ]
    [ search box ]
    [ title text ] (a) tab bar (b) search box (c) title text
26. 26.✏️ What is a wireframe? (a) a type of password (b) a simple screen sketch (c) a charging cable (d) the finished app
27. 27.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Save button: 32 px tall
    Cancel button: 56 px tall
    Back button: 32 px tall
28. 28.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
29. 29.🔍 Which is the odd one out? (a) the font size (b) whether users get lost (c) the screen layout (d) the theme colours
30. 30.True or false: the screen layout is about UX (the experience). (a) True (b) False
31. 31.True or false: how easy sign-up is is about UX (the experience). (a) False (b) True
32. 32.Which of these is about UX (the experience)? (a) the theme colours (b) the screen layout (c) how many taps it takes (d) the button colours
33. 33.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
34. 34.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Menu → Results
    Design B: Home → Size → Menu → Cart → Address → Pens → Item
35. 35.Which of these is about UX (the experience)? (a) the screen layout (b) how fast a task is done (c) the theme colours (d) the font size
36. 36.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 3 to 5 (d) 10 to 12
37. 37.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) in the cloud (b) on the phone
38. 38.🔍 Which is the odd one out? (a) how fast a task is done (b) the button colours (c) how easy sign-up is (d) how many taps it takes
39. 39.🎨 Is this about UI or UX: the theme colours? (a) UI (b) UX
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 9 px
    Caption: 24 px
    Body text: 17 px
    Menu: 19 px (a) Caption (b) Label (c) Body text (d) Menu

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