App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 384 · 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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 17 px
   Label: 22 px
   Body text: 22 px
   Menu: 11 px (a) Label (b) Title (c) Menu (d) Body text
2. 2.💾 pop() takes off the last item. What does this code show?
   let friends = ["Riya", "Meera", "Zoya", "Arjun"];
   friends.pop();
   show(friends[friends.length - 1]); (a) Riya (b) Arjun (c) Meera (d) Zoya
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 20 px
   Caption: 12 px
   Body text: 25 px (a) Body text (b) Menu (c) Caption
4. 4.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
5. 5.🖼️ In this wireframe (top to bottom), what is right below the title text?
   [ filter buttons ]
   [ tab bar ]
   [ menu icon ]
   [ title text ]
   [ Save button ]
   [ top bar ] (a) filter buttons (b) top bar (c) menu icon (d) Save button
6. 6.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
7. 7.Which colour pair is easy to read? (a) pale pink on white (b) white on black (c) red on green (d) light grey on white
8. 8.🔢 In a quiz-app flow, which comes first: “see if it is right” or “read a question”? (a) read a question (b) see if it is right
9. 9.🔘 Is this good or poor button design: icons with no meaning? (a) good design (b) poor design
10. 10.🎨 Is this about UI or UX: the screen layout? (a) UI (b) UX
11. 11.🔢 In a quiz-app flow, what comes right after “see if it is right”? (a) read a question (b) pick an answer (c) tap “Start quiz” (d) see the final score
12. 12.Which of these is true of a wireframe? (a) is a quick sketch (b) looks like the real app (c) uses the final pictures (d) has the real colours
13. 13.True or false: the theme colours is about UI (the look). (a) True (b) False
14. 14.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Size → Confirm → Cart → Search → Pens → Menu
    Design B: Home → Results → Pens → Search (a) Design B (b) Design A
15. 15.💾 What number does this code show?
    let stars = 6;
    stars = stars - 3;
    stars = stars + 3;
    show(stars);
16. 16.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) in the cloud (b) on the phone
17. 17.🔢 In a quiz-app flow, which comes FIRST? (a) tap “Start quiz” (b) pick an answer (c) see the final score (d) see if it is right
18. 18.🔀 What is a user flow? (a) a charging cable (b) a type of font (c) the path through screens (d) a colour theme
19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Score card”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
20. 20.✏️ Is this true of a wireframe or of a final design: shows where things go? (a) a wireframe (b) a final design
21. 21.✏️ A box with a cross in a wireframe usually means ___. (a) a closed app (b) delete this (c) an error (d) a picture goes here
22. 22.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
23. 23.True or false: the screen layout is about UX (the experience). (a) False (b) True
24. 24.✏️ Is this true of a wireframe or of a final design: looks like the real app? (a) a wireframe (b) a final design
25. 25.✏️ What is the easiest way to draw a first wireframe? (a) a phone case (b) a microphone (c) a 3D printer (d) pencil and paper
26. 26.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Cancel button: 40 px tall
    Next button: 40 px tall
    Done button: 64 px tall
27. 27.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Menu → Cart → Size → Pens → Address → Item
    Design B: Home → Cart → Offers (a) Design B (b) Design A
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 20 px
    Hint: 15 px
    Title: 17 px
    Menu: 16 px
29. 29.💾 What number does this code show?
    let friends = ["Meera", "Riya"];
    friends.push("Kabir");
    show(friends.length);
30. 30.True or false: a big, easy tap area is good button design. (a) False (b) True
31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Badges”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
32. 32.🌗 Is dark blue on white easy or hard to read on a button? (a) easy to read (b) hard to read
33. 33.🎨 Fewer taps to finish a task usually means ___. (a) worse UX (b) a bigger app (c) better UX (d) more colours
34. 34.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a bright colour (d) a text label
35. 35.🎨 A beautiful app that confuses everyone has ___. (a) good UX but poor UI (b) no UI at all (c) perfect UX (d) good UI but poor UX
36. 36.🔍 Which is the odd one out? (a) whether users get lost (b) the icon shapes (c) how fast a task is done (d) how many taps it takes
37. 37.Which of these is about UX (the experience)? (a) whether users get lost (b) the button colours (c) the screen layout (d) the icon shapes
38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
39. 39.🖼️ How many parts (boxes) does this wireframe have?
    [ big picture ]
    [ search box ]
    [ menu icon ]
    [ tab bar ]
40. 40.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pens → Size → Cart → Confirm → Menu
    Design B: Home → Pens → Results → Cart (a) Design B (b) Design A

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