App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 879 · 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.🔢 In a sign-up flow, which comes LAST? (a) tap “Sign up” (b) open the app (c) see the home screen (d) make a password
2. 2.🌗 Is dark blue on white easy or hard to read on a button? (a) hard to read (b) easy to read
3. 3.🔘 Our rule: buttons are at least 48 px tall. The Back button is 32 px tall. How many px taller must it be?
4. 4.Which of these is true of a final design? (a) uses plain grey boxes (b) has no real colours (c) has the real colours (d) shows where things go
5. 5.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
6. 6.True or false: a wireframe uses the final pictures. (a) False (b) True
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 15 px
   Menu: 21 px
   Footer: 10 px
   Body text: 19 px
8. 8.🧭 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. tap the Home tab
   How many times must you tap Back to reach the main screen of this tab?
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 12 px
   Body text: 11 px
   Hint: 22 px
   Caption: 17 px
   Title: 11 px
10. 10.🖼️ How many parts (boxes) does this wireframe have?
    [ list of items ]
    [ title text ]
    [ Save button ]
    [ big picture ]
    [ Add button ]
11. 11.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
12. 12.🌗 Is light grey on white easy or hard to read on a button? (a) easy to read (b) hard to read
13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. tap the Lessons tab
    4. open “Match report”
    Which screen are you on now? (a) Quiz (b) Lessons (c) Score card (d) Match report
14. 14.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) at the bottom (c) in the middle (d) inside a button
15. 15.True or false: your last game level fits saving on the phone. (a) False (b) True
16. 16.Which of these fits saving in the cloud? (a) photos on two devices (b) a draft you are typing (c) the sound on/off setting (d) your last game level
17. 17.🎨 Fewer taps to finish a task usually means ___. (a) worse UX (b) more colours (c) a bigger app (d) better UX
18. 18.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
19. 19.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Start button: 52 px tall
    Help button: 40 px tall
    Cancel button: 40 px tall
20. 20.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
21. 21.💾 What number does this code show?
    let lives = 8;
    lives = lives - 1;
    lives = lives + 3;
    show(lives);
22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Friend list”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. tap Back
    4. open “Badges”
    5. tap the Settings tab
    Which screen are you on now? (a) Badges (b) Settings (c) Feed (d) Edit photo
24. 24.🔘 Is this good or poor button design: space between buttons? (a) poor design (b) good design
25. 25.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
26. 26.🔢 In a food-order flow, what comes right after “open the menu”? (a) pick a dish (b) check the cart (c) track the order (d) add it to the cart
27. 27.🔀 In a good flow, each screen should lead to ___. (a) a random page (b) a dead end (c) a clear next step (d) the same screen
28. 28.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a text label (c) a sound (d) a bright colour
29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Map”
    3. tap Back
    4. open “Video”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
30. 30.🎨 A beautiful app that confuses everyone has ___. (a) good UX but poor UI (b) no UI at all (c) good UI but poor UX (d) perfect UX
31. 31.Which colour pair is hard to read? (a) white on black (b) light grey on white (c) black on pale grey (d) dark blue on white
32. 32.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) only experts (d) nobody
33. 33.🎨 Who should you test the UX with? (a) real users (b) only yourself (c) the app icon (d) nobody
34. 34.🔢 In a quiz-app flow, what comes right after “see if it is right”? (a) read a question (b) see the final score (c) tap “Start quiz” (d) pick an answer
35. 35.🔀 A screen with no way forward or back is called a ___. (a) home screen (b) dead end (c) tab bar (d) shortcut
36. 36.🔍 Which is the odd one out? (a) the theme colours (b) how fast a task is done (c) how many taps it takes (d) how easy sign-up is
37. 37.🎨 Is this about UI or UX: the button colours? (a) UI (b) UX
38. 38.💾 In most code, the first item of a list is at position ___. (a) 2 (b) 0 (c) 10 (d) 1
39. 39.True or false: a clear word like Save is poor button design. (a) True (b) False
40. 40.🖼️ How many parts (boxes) does this wireframe have?
    [ list of items ]
    [ search box ]
    [ tab bar ]
    [ Save button ]

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