App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 816 · 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 of these makes the app harder to use? (a) icons with no labels (b) text that can grow (c) labels on every icon (d) big touch targets
2. 2.🔢 In a quiz-app flow, which comes first: “read a question” or “see the final score”? (a) see the final score (b) read a question
3. 3.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
   Design A: Home → Cart → Results → Address
   Design B: Home → Pay → Size → Offers → Menu → Confirm
4. 4.🔢 In a quiz-app flow, what comes right after “see if it is right”? (a) pick an answer (b) read a question (c) tap “Start quiz” (d) see the final score
5. 5.💾 Saving data in the cloud lets you ___. (a) never need a password (b) use it on any device (c) skip the internet (d) shrink the app
6. 6.🔘 Is this good or poor button design: space between buttons? (a) good design (b) poor design
7. 7.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
8. 8.🔘 Is this good or poor button design: buttons almost touching? (a) good design (b) poor design
9. 9.True or false: your last game level fits saving on the phone. (a) False (b) True
10. 10.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ list of items ]
    [ search box ]
    [ menu icon ]
    [ filter buttons ]
    [ tab bar ] (a) tab bar (b) list of items (c) search box (d) filter buttons
11. 11.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Address → Size
    Design B: Home → Pens → Pay → Menu → Cart → Shop → Size
12. 12.True or false: chat messages to friends fits saving on the phone. (a) False (b) True
13. 13.🔢 In a sign-up flow, which comes first: “type name and email” or “tap “Sign up””? (a) type name and email (b) tap “Sign up”
14. 14.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Done button: 60 px tall
    Back button: 44 px tall
    Next button: 52 px tall
    Start button: 72 px tall (a) Done (b) Start (c) Next (d) Back
15. 15.🌗 Is pale pink on white easy or hard to read on a button? (a) easy to read (b) hard to read
16. 16.✏️ A box with a cross in a wireframe usually means ___. (a) an error (b) delete this (c) a picture goes here (d) a closed app
17. 17.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Done button: 24 px tall
    Save button: 68 px tall
    Help button: 52 px tall (a) Help (b) Save (c) Done
18. 18.🖼️ In this wireframe (top to bottom), what is right below the filter buttons?
    [ tab bar ]
    [ filter buttons ]
    [ Add button ]
    [ menu icon ] (a) tab bar (b) menu icon (c) Add button
19. 19.Which colour pair is hard to read? (a) black on pale grey (b) white on black (c) dark blue on white (d) pale pink on white
20. 20.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
21. 21.Which of these is true of the back button? (a) sits at the bottom (b) undoes one move (c) switches main sections (d) hides extra links
22. 22.✏️ Do wireframes usually show the final colours? (a) No (b) Yes
23. 23.🔘 Our rule: buttons are at least 48 px tall. The Done button is 24 px tall. How many px taller must it be?
24. 24.🔍 Which is the odd one out? (a) how users feel after (b) how fast a task is done (c) the button colours (d) how easy sign-up is
25. 25.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Cancel button: 44 px tall
    Back button: 40 px tall
    Next button: 52 px tall
    Send button: 52 px tall
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 21 px
    Label: 16 px
    Footer: 12 px
    Title: 24 px
    Menu: 19 px
27. 27.🔀 What is a user flow? (a) the path through screens (b) a charging cable (c) a colour theme (d) a type of font
28. 28.🔢 In a sign-up flow, which comes LAST? (a) make a password (b) type name and email (c) open the app (d) see the home screen
29. 29.🎨 Is this about UI or UX: how fast a task is done? (a) UX (b) UI
30. 30.🌗 Is yellow on white easy or hard to read on a button? (a) easy to read (b) hard to read
31. 31.🖼️ In this wireframe (top to bottom), what is right below the list of items?
    [ list of items ]
    [ search box ]
    [ big picture ]
    [ Save button ]
    [ top bar ] (a) Save button (b) big picture (c) top bar (d) search box
32. 32.🔢 In a photo-post flow, what comes right after “open the camera screen”? (a) post the photo (b) write a caption (c) take the photo (d) add a filter
33. 33.🔘 Our rule: buttons are at least 48 px tall. The Start button is 28 px tall. How many px taller must it be?
34. 34.🎨 Is this about UI or UX: the font size? (a) UX (b) UI
35. 35.🎨 UX stands for user ___. (a) express (b) example (c) experience (d) extra
36. 36.Which colour pair is hard to read? (a) black on yellow (b) dark blue on black (c) black on pale grey (d) dark blue on white
37. 37.💾 Data saved only on the phone is lost when ___. (a) the app is closed (b) you send a message (c) the screen turns off (d) the phone is lost
38. 38.✏️ Why draw a wireframe before coding? (a) it saves data (b) it adds colours (c) changes are quick (d) it runs the app
39. 39.🔢 In a food-order flow, what comes right after “open the menu”? (a) pick a dish (b) add it to the cart (c) check the cart (d) track the order
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Hint: 10 px
    Footer: 26 px
    Caption: 24 px
    Body text: 26 px (a) Footer (b) Caption (c) Title (d) Hint

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