App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 841 · 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.True or false: the button colours is about UI (the look). (a) False (b) True
2. 2.🔢 In a food-order flow, what comes right after “pay for the order”? (a) track the order (b) check the cart (c) add it to the cart (d) open the menu
3. 3.🔢 In a photo-post flow, which comes LAST? (a) add a filter (b) post the photo (c) write a caption (d) take the photo
4. 4.True or false: icons with no meaning is poor button design. (a) False (b) True
5. 5.🔢 In a food-order flow, which comes FIRST? (a) track the order (b) open the menu (c) pay for the order (d) pick a dish
6. 6.💾 What is a variable? (a) a type of screen (b) a picture (c) a phone setting (d) a named box for a value
7. 7.Which of these fits saving on the phone? (a) a draft you are typing (b) photos on two devices (c) chat messages to friends (d) a class leaderboard
8. 8.🎨 Is this about UI or UX: the font size? (a) UI (b) UX
9. 9.True or false: the theme colours is about UI (the look). (a) True (b) False
10. 10.🔢 In a quiz-app flow, what comes right after “tap “Start quiz””? (a) pick an answer (b) see if it is right (c) read a question (d) see the final score
11. 11.💾 pop() takes off the last item. What does this code show?
    let songs = ["Kites", "Monsoon", "Sunrise", "Rain", "Stars"];
    songs.pop();
    show(songs[songs.length - 1]); (a) Rain (b) Sunrise (c) Kites (d) Monsoon
12. 12.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
13. 13.🖼️ In this wireframe (top to bottom), what is right above the list of items?
    [ Save button ]
    [ Add button ]
    [ list of items ]
    [ big picture ] (a) big picture (b) Add button (c) Save button
14. 14.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Confirm → Search → Pens → Address
    Design B: Home → Confirm → Item → Size
15. 15.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Shop → Search
    Design B: Home → Offers → Item → Pay
16. 16.💾 Where should the app save a class leaderboard: on the phone or in the cloud? (a) in the cloud (b) on the phone
17. 17.🖼️ In this wireframe (top to bottom), what is right above the list of items?
    [ Add button ]
    [ list of items ]
    [ search box ]
    [ top bar ]
    [ menu icon ]
    [ filter buttons ] (a) search box (b) Add button (c) menu icon (d) top bar
18. 18.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ list of items ]
    [ search box ]
    [ tab bar ]
    [ top bar ]
    [ title text ] (a) search box (b) top bar (c) list of items (d) title text
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Caption: 20 px
    Menu: 22 px
20. 20.True or false: notes to read offline fits saving on the phone. (a) True (b) False
21. 21.Which colour pair is hard to read? (a) dark blue on white (b) yellow on white (c) black on yellow (d) white on black
22. 22.💾 pop() takes off the last item. What does this code show?
    let songs = ["Monsoon", "Sunrise", "Kites", "Stars"];
    songs.pop();
    show(songs[songs.length - 1]); (a) Kites (b) Monsoon (c) Sunrise (d) Stars
23. 23.🖼️ In this wireframe (top to bottom), what is right below the search box?
    [ top bar ]
    [ search box ]
    [ menu icon ]
    [ filter buttons ] (a) filter buttons (b) top bar (c) menu icon
24. 24.💾 What number does this code show?
    let songs = ["Stars", "Rain", "Kites"];
    songs.push("Sunrise");
    songs.push("Monsoon");
    show(songs.length);
25. 25.🌗 Is dark blue on white easy or hard to read on a button? (a) hard to read (b) easy to read
26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Match report”
    3. tap Back
    4. open “Score card”
    5. tap Back
    Which screen are you on now? (a) Home (b) Match report (c) Search (d) Score card
27. 27.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Menu → Search → Size
    Design B: Home → Confirm → Search → Cart → Menu → Address → Pens
28. 28.🔢 In a sign-up flow, which comes first: “type name and email” or “open the app”? (a) open the app (b) type name and email
29. 29.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) reads the screen aloud (d) plays music
30. 30.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ Save button ]
    [ big picture ]
    [ title text ]
    [ Add button ]
    [ list of items ]
    [ tab bar ] (a) big picture (b) Save button (c) title text (d) tab bar
31. 31.💾 What does this code show? (Positions start at 0.)
    let songs = ["Sunrise", "Stars", "Rain", "Kites"];
    show(songs[0]); (a) Kites (b) Sunrise (c) Rain (d) Stars
32. 32.🔀 What is a user flow? (a) a colour theme (b) the path through screens (c) a charging cable (d) a type of font
33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Me tab
    3. open “Badges”
    Which screen are you on now? (a) Friend list (b) Badges (c) Lessons (d) Quiz
34. 34.🎨 Is this about UI or UX: how users feel after? (a) UI (b) UX
35. 35.🔘 Is this good or poor button design: icons with no meaning? (a) good design (b) poor design
36. 36.💾 In most code, the first item of a list is at position ___. (a) 2 (b) 10 (c) 0 (d) 1
37. 37.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
38. 38.Which of these fits saving on the phone? (a) chat messages to friends (b) a class leaderboard (c) photos on two devices (d) your last game level
39. 39.Which of these makes the app harder to use? (a) text that can grow (b) tiny tap areas (c) captions on videos (d) labels on every icon
40. 40.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a wireframe (b) a final design

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