App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 852 · 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 shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
2. 2.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
   Next button: 60 px tall
   Help button: 44 px tall
   Start button: 36 px tall
   Back button: 36 px tall
3. 3.Which of these is true of a wireframe? (a) has the real colours (b) uses the final pictures (c) shows the real fonts (d) shows where things go
4. 4.♿ Why add captions to videos? (a) to add colour (b) to slow them down (c) so anyone can follow (d) to hide the sound
5. 5.🖼️ In this wireframe (top to bottom), what is right below the title text?
   [ title text ]
   [ search box ]
   [ tab bar ]
   [ list of items ] (a) tab bar (b) search box (c) list of items
6. 6.🎨 Is this about UI or UX: the font size? (a) UI (b) UX
7. 7.🔀 A screen with no way forward or back is called a ___. (a) tab bar (b) shortcut (c) dead end (d) home screen
8. 8.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Menu → Search → Offers → Confirm → Pay
   Design B: Home → Confirm → Search
9. 9.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
10. 10.✏️ Why draw a wireframe before coding? (a) it runs the app (b) changes are quick (c) it adds colours (d) it saves data
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 20 px
    Caption: 11 px
    Menu: 18 px
    Title: 14 px
12. 12.Which of these helps everyone use the app? (a) strong colour contrast (b) tiny tap areas (c) sudden loud sounds (d) fast-flashing lights
13. 13.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 22 px
    Body text: 18 px
    Title: 20 px
15. 15.🔘 Is this good or poor button design: space between buttons? (a) good design (b) poor design
16. 16.True or false: the icon shapes is about UX (the experience). (a) False (b) True
17. 17.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Results → Confirm → Search → Cart → Address → Shop
    Design B: Home → Item → Size → Pay
18. 18.True or false: the theme colours is about UX (the experience). (a) False (b) True
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 12 px
    Body text: 25 px
    Title: 17 px (a) Title (b) Label (c) Body text
20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Edit photo”
    3. open “Match report”
    Which screen are you on now? (a) Edit photo (b) Quiz (c) Lessons (d) Match report
21. 21.🔢 In a quiz-app flow, what comes right after “tap “Start quiz””? (a) pick an answer (b) see if it is right (c) read a question (d) see the final score
22. 22.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) a random page (c) the phone settings (d) that tab’s main screen
23. 23.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) text that can grow (d) icons with no labels
24. 24.Which colour pair is easy to read? (a) red on green (b) white on black (c) dark blue on black (d) light grey on white
25. 25.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
26. 26.True or false: notes to read offline fits saving in the cloud. (a) True (b) False
27. 27.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 3 to 5 (d) 20
28. 28.💾 Data saved only on the phone is lost when ___. (a) you send a message (b) the phone is lost (c) the app is closed (d) the screen turns off
29. 29.🔘 Our rule: buttons are at least 48 px tall. The Send button is 24 px tall. How many px taller must it be?
30. 30.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) has no real colours
31. 31.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
32. 32.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
33. 33.🎨 UI stands for user ___. (a) idea (b) input (c) interface (d) internet
34. 34.True or false: the theme colours is about UI (the look). (a) False (b) True
35. 35.🌗 Is yellow on white easy or hard to read on a button? (a) easy to read (b) hard to read
36. 36.🔢 In a food-order flow, what comes right after “check the cart”? (a) pay for the order (b) pick a dish (c) add it to the cart (d) track the order
37. 37.🔢 In a food-order flow, what comes right after “add it to the cart”? (a) track the order (b) pay for the order (c) open the menu (d) check the cart
38. 38.🔢 In a sign-up flow, which comes first: “enter the code sent” or “open the app”? (a) enter the code sent (b) open the app
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 14 px
    Hint: 21 px
    Title: 25 px (a) Caption (b) Hint (c) Title
40. 40.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pens → Offers → Menu → Confirm → Search
    Design B: Home → Size → Menu → Results → Pens (a) Design B (b) Design A

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