App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 761 · 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.🌗 Is white on dark green easy or hard to read on a button? (a) hard to read (b) easy to read
2. 2.True or false: a class leaderboard fits saving on the phone. (a) True (b) False
3. 3.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) icons with no labels (d) big touch targets
4. 4.🔢 In a food-order flow, which comes first: “open the menu” or “pick a dish”? (a) pick a dish (b) open the menu
5. 5.Which of these fits saving on the phone? (a) chat messages to friends (b) a shared to-do list (c) the sound on/off setting (d) photos on two devices
6. 6.True or false: a final design uses plain grey boxes. (a) True (b) False
7. 7.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
8. 8.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “see the final score”? (a) see the final score (b) tap “Start quiz”
9. 9.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ title text ]
   [ menu icon ]
   [ filter buttons ]
   [ Add button ]
   [ top bar ]
   [ big picture ] (a) menu icon (b) big picture (c) filter buttons (d) title text
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 17 px
    Hint: 13 px
    Caption: 16 px
11. 11.Which of these fits saving in the cloud? (a) a draft you are typing (b) the sound on/off setting (c) chat messages to friends (d) notes to read offline
12. 12.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ Save button ]
    [ tab bar ]
    [ list of items ]
    [ big picture ] (a) tab bar (b) big picture (c) Save button (d) list of items
13. 13.🔘 Is this good or poor button design: a tiny 20 px button? (a) good design (b) poor design
14. 14.✏️ A box with a cross in a wireframe usually means ___. (a) a picture goes here (b) delete this (c) an error (d) a closed app
15. 15.Which of these is about UX (the experience)? (a) the icon shapes (b) the theme colours (c) the font size (d) how fast a task is done
16. 16.Which of these is true of a final design? (a) uses plain grey boxes (b) is a quick sketch (c) has the real colours (d) shows where things go
17. 17.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Size → Address
    Design B: Home → Address → Pens → Item
18. 18.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) the phone settings (d) that tab’s main screen
19. 19.💾 What number does this code show?
    let coins = 4;
    coins = coins - 3;
    coins = coins + 4;
    show(coins);
20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. tap the Settings tab
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
21. 21.🔢 In a sign-up flow, which comes LAST? (a) see the home screen (b) make a password (c) open the app (d) tap “Sign up”
22. 22.🖼️ How many parts (boxes) does this wireframe have?
    [ menu icon ]
    [ top bar ]
    [ filter buttons ]
    [ list of items ]
    [ big picture ]
23. 23.🎨 A beautiful app that confuses everyone has ___. (a) good UX but poor UI (b) perfect UX (c) good UI but poor UX (d) no UI at all
24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Video”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
25. 25.Which colour pair is hard to read? (a) dark blue on white (b) black on yellow (c) white on dark green (d) yellow on white
26. 26.🔀 Why plan the user flow before building? (a) to add more taps (b) to hide the buttons (c) to skip testing (d) so each step is clear
27. 27.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) tiny tap areas (d) big touch targets
28. 28.🎨 Is this about UI or UX: how users feel after? (a) UI (b) UX
29. 29.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
30. 30.True or false: a wireframe uses the final pictures. (a) True (b) False
31. 31.🔘 Is this good or poor button design: grey text on grey? (a) poor design (b) good design
32. 32.💾 Which can hold many values in order? (a) a button (b) a single number (c) a list (d) a switch
33. 33.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Back button: 52 px tall
    Done button: 68 px tall
    Send button: 44 px tall
    Cancel button: 56 px tall (a) Done (b) Back (c) Send (d) Cancel
34. 34.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) at the bottom (c) nowhere (d) inside a button
35. 35.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a final design (b) a wireframe
36. 36.🔘 Our rule: buttons are at least 48 px tall. The Next button is 44 px tall. How many px taller must it be?
37. 37.🎨 Is this about UI or UX: how fast a task is done? (a) UI (b) UX
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 13 px
    Label: 19 px
    Title: 13 px
    Body text: 19 px
39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Search tab
    4. tap the Search tab
    5. open “Score card”
    Which screen are you on now? (a) Score card (b) Search (c) Home (d) Friend list
40. 40.♿ What should every icon-only button have for screen readers? (a) a text label (b) a bright colour (c) a sound (d) a long animation

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