App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 357 · 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.🖼️ In this wireframe (top to bottom), what is right below the big picture?
   [ filter buttons ]
   [ big picture ]
   [ search box ]
   [ Save button ] (a) Save button (b) filter buttons (c) search box
2. 2.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
3. 3.🎨 Is this about UI or UX: the font size? (a) UI (b) UX
4. 4.🔘 Is this good or poor button design: a clear word like Save? (a) poor design (b) good design
5. 5.🖼️ In this wireframe (top to bottom), what is right above the Add button?
   [ menu icon ]
   [ Add button ]
   [ top bar ]
   [ title text ] (a) top bar (b) menu icon (c) title text
6. 6.💾 In most code, the first item of a list is at position ___. (a) 2 (b) 1 (c) 0 (d) 10
7. 7.🌗 Is white on dark green easy or hard to read on a button? (a) easy to read (b) hard to read
8. 8.🌗 Is black on yellow easy or hard to read on a button? (a) easy to read (b) hard to read
9. 9.True or false: a tiny 20 px button is good button design. (a) False (b) True
10. 10.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Help button: 48 px tall
    Send button: 40 px tall
    Back button: 40 px tall
    Start button: 44 px tall
11. 11.🎨 UX stands for user ___. (a) express (b) experience (c) example (d) extra
12. 12.Which of these is about UX (the experience)? (a) whether users get lost (b) the screen layout (c) the icon shapes (d) the font size
13. 13.🔢 In a quiz-app flow, which comes first: “see the final score” or “tap “Start quiz””? (a) see the final score (b) tap “Start quiz”
14. 14.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ search box ]
    [ Add button ]
    [ filter buttons ]
    [ title text ]
    [ big picture ]
    [ list of items ] (a) big picture (b) title text (c) filter buttons (d) list of items
15. 15.💾 What number does this code show?
    let friends = ["Riya", "Kabir", "Meera", "Zoya"];
    friends.push("Aman");
    show(friends.length);
16. 16.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a wireframe (b) a final design
17. 17.🖼️ In this wireframe (top to bottom), what is right above the tab bar?
    [ title text ]
    [ tab bar ]
    [ Add button ]
    [ search box ] (a) search box (b) Add button (c) title text
18. 18.🔘 Is this good or poor button design: buttons almost touching? (a) poor design (b) good design
19. 19.🎨 Is this about UI or UX: the button colours? (a) UX (b) UI
20. 20.🔢 In a sign-up flow, which comes first: “make a password” or “type name and email”? (a) type name and email (b) make a password
21. 21.🔢 In a sign-up flow, which comes first: “make a password” or “tap “Sign up””? (a) tap “Sign up” (b) make a password
22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Chat tab
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
23. 23.Which of these is about UX (the experience)? (a) the theme colours (b) how users feel after (c) the font size (d) the icon shapes
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 14 px
    Menu: 16 px
    Hint: 16 px (a) Caption (b) Hint (c) Menu
25. 25.🖼️ In this wireframe (top to bottom), what is right below the Save button?
    [ Save button ]
    [ top bar ]
    [ title text ]
    [ tab bar ]
    [ search box ]
    [ Add button ] (a) search box (b) tab bar (c) top bar (d) Add button
26. 26.True or false: photos on two devices fits saving on the phone. (a) True (b) False
27. 27.🔘 Is this good or poor button design: icons with no meaning? (a) poor design (b) good design
28. 28.✏️ A box with a cross in a wireframe usually means ___. (a) an error (b) a picture goes here (c) a closed app (d) delete this
29. 29.🔀 A screen with no way forward or back is called a ___. (a) tab bar (b) shortcut (c) dead end (d) home screen
30. 30.🔍 Which is the odd one out? (a) how many taps it takes (b) the screen layout (c) the font size (d) the icon shapes
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 18 px
    Body text: 22 px
    Title: 16 px
    Label: 26 px
    Hint: 13 px (a) Menu (b) Hint (c) Body text (d) Title
32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Settings tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
33. 33.💾 What number does this code show?
    let lives = 5;
    lives = lives - 4;
    lives = lives + 5;
    show(lives);
34. 34.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) fast-flashing lights (d) big touch targets
35. 35.🔘 Our rule: buttons are at least 48 px tall. The Start button is 32 px tall. How many px taller must it be?
36. 36.True or false: the icon shapes is about UX (the experience). (a) True (b) False
37. 37.🖼️ How many parts (boxes) does this wireframe have?
    [ big picture ]
    [ list of items ]
    [ search box ]
    [ Save button ]
38. 38.True or false: a class leaderboard fits saving on the phone. (a) True (b) False
39. 39.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Results → Search → Shop → Offers
    Design B: Home → Size → Item (a) Design B (b) Design A
40. 40.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) on the phone (b) in the cloud

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