App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 610 · 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.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) labels on every icon (d) icons with no labels
2. 2.🔢 In a sign-up flow, which comes first: “type name and email” or “enter the code sent”? (a) enter the code sent (b) type name and email
3. 3.💾 Where should the app save a class leaderboard: on the phone or in the cloud? (a) on the phone (b) in the cloud
4. 4.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
5. 5.💾 Which can hold many values in order? (a) a single number (b) a list (c) a switch (d) a button
6. 6.💾 What number does this code show?
   let friends = ["Arjun", "Meera", "Zoya"];
   friends.push("Riya");
   show(friends.length);
7. 7.🔢 In a sign-up flow, which comes first: “make a password” or “see the home screen”? (a) make a password (b) see the home screen
8. 8.🖼️ How many parts (boxes) does this wireframe have?
   [ top bar ]
   [ tab bar ]
   [ title text ]
   [ search box ]
   [ menu icon ]
9. 9.True or false: a wireframe shows the real fonts. (a) False (b) True
10. 10.🖼️ How many parts (boxes) does this wireframe have?
    [ Save button ]
    [ top bar ]
    [ search box ]
    [ big picture ]
11. 11.♿ What should every icon-only button have for screen readers? (a) a text label (b) a bright colour (c) a long animation (d) a sound
12. 12.Which of these fits saving on the phone? (a) a class leaderboard (b) a shared to-do list (c) chat messages to friends (d) notes to read offline
13. 13.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
14. 14.🖼️ In this wireframe (top to bottom), what is right below the Add button?
    [ tab bar ]
    [ Add button ]
    [ big picture ]
    [ filter buttons ]
    [ top bar ]
    [ search box ] (a) tab bar (b) search box (c) big picture (d) top bar
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 20 px
    Menu: 21 px
    Hint: 12 px
    Title: 28 px (a) Title (b) Hint (c) Footer (d) Menu
16. 16.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
17. 17.True or false: a big, easy tap area is poor button design. (a) True (b) False
18. 18.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
19. 19.🌗 Is white on black easy or hard to read on a button? (a) hard to read (b) easy to read
20. 20.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
21. 21.💾 In most code, the first item of a list is at position ___. (a) 10 (b) 1 (c) 2 (d) 0
22. 22.💾 What number does this code show?
    let friends = ["Aman", "Arjun"];
    friends.push("Riya");
    show(friends.length);
23. 23.True or false: whether users get lost is about UX (the experience). (a) False (b) True
24. 24.Which of these is about UI (the look)? (a) whether users get lost (b) how fast a task is done (c) the button colours (d) how many taps it takes
25. 25.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) fast-flashing lights (d) text that can grow
26. 26.🔍 Which is the odd one out? (a) strong colour contrast (b) sudden loud sounds (c) text that can grow (d) captions on videos
27. 27.🌗 Is pale pink on white easy or hard to read on a button? (a) easy to read (b) hard to read
28. 28.🔢 In a food-order flow, what comes right after “open the menu”? (a) check the cart (b) track the order (c) add it to the cart (d) pick a dish
29. 29.True or false: a clear word like Save is good button design. (a) False (b) True
30. 30.Which colour pair is easy to read? (a) pale pink on white (b) white on dark green (c) yellow on white (d) dark blue on black
31. 31.🎨 Is this about UI or UX: the font size? (a) UX (b) UI
32. 32.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the battery (c) colour-blind users (d) the server
33. 33.🔍 Which is the odd one out? (a) strong colour contrast (b) colour as the only clue (c) text that can grow (d) big touch targets
34. 34.💾 What number does this code show?
    let notes = ["Science", "Hindi"];
    notes.push("Art");
    notes.push("Sports");
    show(notes.length);
35. 35.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) strong colour contrast (d) colour as the only clue
36. 36.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Menu → Cart → Results → Pens
    Design B: Home → Pens → Shop (a) Design A (b) Design B
37. 37.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
38. 38.True or false: a draft you are typing fits saving on the phone. (a) False (b) True
39. 39.🎨 Is this about UI or UX: the screen layout? (a) UI (b) UX
40. 40.🌗 Is dark blue on black easy or hard to read on a button? (a) easy to read (b) hard to read

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