App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 777 · 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: chat messages to friends fits saving on the phone. (a) True (b) False
2. 2.🔢 In a sign-up flow, which comes first: “type name and email” or “enter the code sent”? (a) type name and email (b) enter the code sent
3. 3.🎨 Is this about UI or UX: the icon shapes? (a) UX (b) UI
4. 4.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Search → Menu → Confirm → Size → Cart
   Design B: Home → Offers → Confirm (a) Design B (b) Design A
5. 5.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
6. 6.True or false: how easy sign-up is is about UI (the look). (a) False (b) True
7. 7.💾 Where should the app save a draft you are typing: on the phone or in the cloud? (a) on the phone (b) in the cloud
8. 8.🔢 In a quiz-app flow, which comes first: “see the final score” or “tap “Start quiz””? (a) tap “Start quiz” (b) see the final score
9. 9.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 16 px
    Title: 20 px
    Menu: 18 px
11. 11.✏️ What is the easiest way to draw a first wireframe? (a) a 3D printer (b) pencil and paper (c) a microphone (d) a phone case
12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Badges”
    3. open “Badges”
    Which screen are you on now? (a) Badges (b) Lessons (c) Me (d) Quiz
13. 13.🔢 In a photo-post flow, which comes first: “take the photo” or “open the camera screen”? (a) take the photo (b) open the camera screen
14. 14.💾 Where should the app save your last game level: on the phone or in the cloud? (a) on the phone (b) in the cloud
15. 15.💾 What number does this code show?
    let coins = 8;
    coins = coins - 5;
    coins = coins + 5;
    show(coins);
16. 16.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) switches main sections (d) goes to the last screen
17. 17.Which of these is true of the back button? (a) undoes one move (b) switches main sections (c) hides extra links (d) shows 3 to 5 icons
18. 18.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) takes photos (d) reads the screen aloud
19. 19.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to slow them down (d) to hide the sound
20. 20.True or false: a final design has the real colours. (a) True (b) False
21. 21.Which of these fits saving in the cloud? (a) notes to read offline (b) the sound on/off setting (c) photos on two devices (d) a draft you are typing
22. 22.True or false: a clear word like Save is poor button design. (a) True (b) False
23. 23.🔀 Why plan the user flow before building? (a) so each step is clear (b) to hide the buttons (c) to skip testing (d) to add more taps
24. 24.🔢 In a sign-up flow, which comes first: “type name and email” or “see the home screen”? (a) type name and email (b) see the home screen
25. 25.💾 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
26. 26.Which colour pair is hard to read? (a) black on pale grey (b) white on black (c) yellow on white (d) dark blue on white
27. 27.🖼️ How many parts (boxes) does this wireframe have?
    [ title text ]
    [ big picture ]
    [ menu icon ]
    [ Save button ]
    [ Add button ]
    [ search box ]
28. 28.🖼️ In this wireframe (top to bottom), what is right above the title text?
    [ Add button ]
    [ title text ]
    [ Save button ]
    [ filter buttons ] (a) Add button (b) Save button (c) filter buttons
29. 29.✏️ What is a wireframe? (a) the finished app (b) a charging cable (c) a type of password (d) a simple screen sketch
30. 30.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Send button: 60 px tall
    Back button: 64 px tall
    Done button: 48 px tall
    Next button: 52 px tall
31. 31.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “pick an answer”? (a) tap “Start quiz” (b) pick an answer
32. 32.True or false: a final design shows the real fonts. (a) False (b) True
33. 33.True or false: notes to read offline fits saving in the cloud. (a) False (b) True
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 22 px
    Body text: 20 px
    Hint: 12 px (a) Caption (b) Body text (c) Hint
35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Help page”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
36. 36.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Next button: 24 px tall
    Cancel button: 72 px tall
    Back button: 68 px tall
    Send button: 52 px tall (a) Next (b) Back (c) Send (d) Cancel
37. 37.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Next button: 40 px tall
    Send button: 48 px tall
    Back button: 56 px tall
38. 38.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Help button: 64 px tall
    Cancel button: 36 px tall
    Save button: 32 px tall
39. 39.🎨 A beautiful app that confuses everyone has ___. (a) good UI but poor UX (b) good UX but poor UI (c) perfect UX (d) no UI at all
40. 40.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe

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