App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 244 · 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 of these is true of the back button? (a) shows 3 to 5 icons (b) switches main sections (c) goes to the last screen (d) hides extra links
2. 2.Which of these fits saving on the phone? (a) a shared to-do list (b) chat messages to friends (c) photos on two devices (d) the sound on/off setting
3. 3.🖼️ In this wireframe (top to bottom), what is right below the title text?
   [ title text ]
   [ list of items ]
   [ Save button ]
   [ menu icon ]
   [ big picture ]
   [ top bar ] (a) list of items (b) top bar (c) big picture (d) Save button
4. 4.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ Save button ]
   [ menu icon ]
   [ top bar ]
   [ search box ] (a) menu icon (b) Save button (c) search box (d) top bar
5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Video”
   2. tap Back
   3. open “Score card”
   Which screen are you on now? (a) Score card (b) Home (c) Video (d) Search
6. 6.Which of these is about UI (the look)? (a) the screen layout (b) how users feel after (c) how easy sign-up is (d) whether users get lost
7. 7.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
8. 8.🔀 What is a user flow? (a) a type of font (b) a charging cable (c) the path through screens (d) a colour theme
9. 9.🔢 In a quiz-app flow, which comes first: “see the final score” or “see if it is right”? (a) see the final score (b) see if it is right
10. 10.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Menu → Shop → Search → Pay
    Design B: Home → Cart → Pens → Results → Search → Menu → Address (a) Design A (b) Design B
11. 11.True or false: chat messages to friends fits saving in the cloud. (a) True (b) False
12. 12.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) fast-flashing lights (d) captions on videos
13. 13.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Cart → Shop → Results → Size
    Design B: Home → Search → Pens (a) Design A (b) Design B
14. 14.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Address → Search → Item → Size → Menu → Offers
    Design B: Home → Menu → Pay → Search → Confirm
15. 15.True or false: how users feel after is about UX (the experience). (a) True (b) False
16. 16.🔢 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
17. 17.💾 Where should the app save a shared to-do list: on the phone or in the cloud? (a) on the phone (b) in the cloud
18. 18.🔢 In a food-order flow, which comes LAST? (a) pay for the order (b) add it to the cart (c) track the order (d) pick a dish
19. 19.🖼️ In this wireframe (top to bottom), what is right below the top bar?
    [ big picture ]
    [ search box ]
    [ top bar ]
    [ Save button ] (a) big picture (b) Save button (c) search box
20. 20.🔍 Which is the odd one out? (a) how easy sign-up is (b) how users feel after (c) whether users get lost (d) the icon shapes
21. 21.💾 What does this code show? (Positions start at 0.)
    let notes = ["Hindi", "Maths", "Sports", "Music"];
    show(notes[3]); (a) Hindi (b) Sports (c) Music (d) Maths
22. 22.🔢 In a quiz-app flow, which comes LAST? (a) see if it is right (b) read a question (c) pick an answer (d) see the final score
23. 23.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Cancel button: 40 px tall
    Back button: 36 px tall
    Next button: 48 px tall
24. 24.💾 What number does this code show?
    let points = 4;
    points = points - 1;
    points = points + 1;
    show(points);
25. 25.True or false: a final design shows where things go. (a) False (b) True
26. 26.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Match report”
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
28. 28.🔀 In a good flow, each screen should lead to ___. (a) the same screen (b) a random page (c) a clear next step (d) a dead end
29. 29.🧭 Why should every screen show where you are? (a) to hide the menu (b) so users do not get lost (c) to look busy (d) to use more battery
30. 30.True or false: your last game level fits saving in the cloud. (a) False (b) True
31. 31.💾 Saving data in the cloud lets you ___. (a) skip the internet (b) use it on any device (c) shrink the app (d) never need a password
32. 32.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a final design (b) a wireframe
33. 33.🔍 Which is the odd one out? (a) the font size (b) the button colours (c) the screen layout (d) how many taps it takes
34. 34.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) at the bottom (c) in the middle (d) nowhere
35. 35.🔢 In a sign-up flow, which comes first: “type name and email” or “tap “Sign up””? (a) type name and email (b) tap “Sign up”
36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. tap the Search tab
    4. open “Edit photo”
    5. open “Friend list”
    Which screen are you on now? (a) Badges (b) Edit photo (c) Friend list (d) Home
37. 37.💾 Where should the app save a draft you are typing: on the phone or in the cloud? (a) in the cloud (b) on the phone
38. 38.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
39. 39.🖼️ In this wireframe (top to bottom), what is right below the filter buttons?
    [ Save button ]
    [ menu icon ]
    [ filter buttons ]
    [ top bar ]
    [ list of items ]
    [ big picture ] (a) menu icon (b) Save button (c) top bar (d) big picture
40. 40.True or false: your last game level fits saving on the phone. (a) False (b) True

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