App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 752 · 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.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Lessons tab
   2. open “Edit photo”
   3. tap the Me tab
   4. tap the Me tab
   5. open “Badges”
   Which screen are you on now? (a) Badges (b) Edit photo (c) Quiz (d) Lessons
2. 2.🔢 In a food-order flow, which comes first: “add it to the cart” or “check the cart”? (a) check the cart (b) add it to the cart
3. 3.True or false: a wireframe has the real colours. (a) True (b) False
4. 4.🔢 In a quiz-app flow, which comes FIRST? (a) see if it is right (b) read a question (c) tap “Start quiz” (d) pick an answer
5. 5.💾 pop() takes off the last item. What does this code show?
   let friends = ["Arjun", "Kabir", "Zoya", "Meera", "Riya"];
   friends.pop();
   show(friends[friends.length - 1]); (a) Kabir (b) Arjun (c) Meera (d) Zoya
6. 6.💾 In most code, the first item of a list is at position ___. (a) 1 (b) 10 (c) 0 (d) 2
7. 7.🌗 Is black on yellow easy or hard to read on a button? (a) hard to read (b) easy to read
8. 8.🎨 UX stands for user ___. (a) example (b) express (c) extra (d) experience
9. 9.🔘 Our rule: buttons are at least 48 px tall. The Back button is 20 px tall. How many px taller must it be?
10. 10.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Menu → Pens → Offers → Item
    Design B: Home → Cart → Offers → Shop → Pens → Address → Confirm (a) Design A (b) Design B
11. 11.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) reads the screen aloud (d) plays music
12. 12.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Results → Cart → Shop → Size → Confirm
    Design B: Home → Shop → Results → Size (a) Design A (b) Design B
13. 13.💾 Saving data in the cloud lets you ___. (a) skip the internet (b) shrink the app (c) never need a password (d) use it on any device
14. 14.🔀 Why plan the user flow before building? (a) to hide the buttons (b) to add more taps (c) to skip testing (d) so each step is clear
15. 15.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Shop → Search
    Design B: Home → Item → Cart → Search → Address → Pay → Menu (a) Design B (b) Design A
16. 16.True or false: a wireframe uses plain grey boxes. (a) False (b) True
17. 17.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) inside a button (c) at the bottom (d) in the middle
18. 18.Which of these makes the app harder to use? (a) big touch targets (b) labels on every icon (c) captions on videos (d) tiny tap areas
19. 19.🔢 In a food-order flow, what comes right after “pay for the order”? (a) add it to the cart (b) pick a dish (c) open the menu (d) track the order
20. 20.🎨 A beautiful app that confuses everyone has ___. (a) good UI but poor UX (b) no UI at all (c) perfect UX (d) good UX but poor UI
21. 21.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. tap the Feed tab
    4. open “Video”
    5. open “Badges”
    Which screen are you on now? (a) Feed (b) Match report (c) Badges (d) Video
23. 23.🔢 In a sign-up flow, which comes first: “open the app” or “type name and email”? (a) type name and email (b) open the app
24. 24.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Cart → Size
    Design B: Home → Cart → Results → Confirm → Search
25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Badges”
    3. open “Help page”
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap Back
    4. tap the Feed tab
    Which screen are you on now? (a) Friend list (b) Chat (c) Edit photo (d) Feed
27. 27.✏️ A box with a cross in a wireframe usually means ___. (a) a picture goes here (b) an error (c) delete this (d) a closed app
28. 28.🎨 Is this about UI or UX: how users feel after? (a) UI (b) UX
29. 29.Which colour pair is easy to read? (a) dark blue on black (b) white on dark green (c) pale pink on white (d) light grey on white
30. 30.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) on the phone (b) in the cloud
31. 31.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Shop → Menu
    Design B: Home → Offers → Cart → Shop → Size → Confirm → Pens
32. 32.💾 Where should the app save the sound on/off setting: on the phone or in the cloud? (a) on the phone (b) in the cloud
33. 33.Which of these is about UI (the look)? (a) the font size (b) how fast a task is done (c) how users feel after (d) how many taps it takes
34. 34.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) opens settings (d) closes all apps
35. 35.🖼️ In this wireframe (top to bottom), what is right below the title text?
    [ title text ]
    [ big picture ]
    [ filter buttons ]
    [ top bar ]
    [ list of items ]
    [ search box ] (a) list of items (b) search box (c) big picture (d) top bar
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 11 px
    Caption: 22 px
    Label: 28 px
    Body text: 19 px
    Footer: 26 px (a) Caption (b) Label (c) Body text (d) Menu
37. 37.🔍 Which is the odd one out? (a) tiny tap areas (b) big touch targets (c) labels on every icon (d) text that can grow
38. 38.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
39. 39.True or false: buttons almost touching is good button design. (a) False (b) True
40. 40.True or false: how users feel after is about UI (the look). (a) True (b) False

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