App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 914 · 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 part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
2. 2.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a wireframe (b) a final design
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 16 px
   Footer: 14 px
   Caption: 25 px (a) Title (b) Footer (c) Caption
4. 4.🖼️ In this wireframe (top to bottom), what is right above the top bar?
   [ big picture ]
   [ Save button ]
   [ menu icon ]
   [ search box ]
   [ Add button ]
   [ top bar ] (a) Add button (b) big picture (c) search box (d) Save button
5. 5.🔘 Our rule: buttons are at least 48 px tall. The Help button is 20 px tall. How many px taller must it be?
6. 6.🔍 Which is the odd one out? (a) labels on every icon (b) tiny tap areas (c) strong colour contrast (d) captions on videos
7. 7.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) text that can grow (d) icons with no labels
8. 8.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Pay → Menu → Pens → Offers → Item
   Design B: Home → Offers → Results (a) Design B (b) Design A
9. 9.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
10. 10.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
11. 11.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Size → Pens → Shop → Item → Results
    Design B: Home → Pay → Confirm → Shop → Item → Offers → Cart
12. 12.Which of these is true of a menu button? (a) sits at the bottom (b) opens a list of pages (c) undoes one move (d) shows 3 to 5 icons
13. 13.🖼️ In this wireframe (top to bottom), what is right above the top bar?
    [ menu icon ]
    [ top bar ]
    [ search box ]
    [ list of items ]
    [ filter buttons ] (a) menu icon (b) list of items (c) filter buttons (d) search box
14. 14.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Shop → Pay → Cart → Offers
    Design B: Home → Pay → Menu → Size
15. 15.🌗 Is light grey on white easy or hard to read on a button? (a) hard to read (b) easy to read
16. 16.Which colour pair is hard to read? (a) black on yellow (b) black on pale grey (c) dark blue on white (d) dark blue on black
17. 17.🔢 In a photo-post flow, which comes first: “add a filter” or “take the photo”? (a) add a filter (b) take the photo
18. 18.🔘 Is this good or poor button design: a clear word like Save? (a) good design (b) poor design
19. 19.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) makes text tiny (d) takes photos
20. 20.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Back button: 24 px tall
    Save button: 64 px tall
    Start button: 68 px tall
    Cancel button: 68 px tall (a) Cancel (b) Back (c) Start (d) Save
21. 21.Which of these is about UX (the experience)? (a) the screen layout (b) whether users get lost (c) the font size (d) the icon shapes
22. 22.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) goes to the last screen (c) hides extra links (d) sits at the bottom
23. 23.🔍 Which is the odd one out? (a) text that can grow (b) icons with no labels (c) captions on videos (d) labels on every icon
24. 24.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Shop → Offers → Size → Confirm → Results
    Design B: Home → Pens → Item → Address → Results → Offers → Search
25. 25.Which colour pair is hard to read? (a) white on dark green (b) white on black (c) black on yellow (d) pale pink on white
26. 26.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
27. 27.🔢 In a food-order flow, what comes right after “check the cart”? (a) add it to the cart (b) pay for the order (c) open the menu (d) pick a dish
28. 28.🔘 Our rule: buttons are at least 48 px tall. The Next button is 36 px tall. How many px taller must it be?
29. 29.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
30. 30.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a wireframe (b) a final design
31. 31.🎨 Who should you test the UX with? (a) the app icon (b) real users (c) nobody (d) only yourself
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Label: 20 px
    Body text: 15 px
    Caption: 13 px
    Hint: 23 px
33. 33.🔢 In a sign-up flow, what comes right after “enter the code sent”? (a) open the app (b) make a password (c) see the home screen (d) tap “Sign up”
34. 34.💾 What number does this code show?
    let stars = 9;
    stars = stars - 7;
    stars = stars + 4;
    show(stars);
35. 35.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) labels on every icon (d) colour as the only clue
36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Video”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
37. 37.🔀 Why plan the user flow before building? (a) to skip testing (b) so each step is clear (c) to add more taps (d) to hide the buttons
38. 38.🔍 Which is the odd one out? (a) how easy sign-up is (b) how fast a task is done (c) the screen layout (d) how many taps it takes
39. 39.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
40. 40.Which of these fits saving in the cloud? (a) a draft you are typing (b) notes to read offline (c) a shared to-do list (d) the sound on/off setting

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