App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 876 · 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: how easy sign-up is is about UX (the experience). (a) False (b) True
2. 2.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
3. 3.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
4. 4.Which of these helps everyone use the app? (a) sudden loud sounds (b) labels on every icon (c) tiny tap areas (d) icons with no labels
5. 5.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
6. 6.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) in the cloud (b) on the phone
7. 7.Which of these is about UX (the experience)? (a) how users feel after (b) the font size (c) the button colours (d) the icon shapes
8. 8.True or false: a final design is a quick sketch. (a) True (b) False
9. 9.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
   Done button: 32 px tall
   Send button: 44 px tall
   Back button: 48 px tall
10. 10.💾 Saving data in the cloud lets you ___. (a) skip the internet (b) shrink the app (c) never need a password (d) use it on any device
11. 11.🔀 In a good flow, each screen should lead to ___. (a) the same screen (b) a random page (c) a dead end (d) a clear next step
12. 12.Which of these is about UI (the look)? (a) the font size (b) how easy sign-up is (c) how many taps it takes (d) whether users get lost
13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. open “Score card”
    Which screen are you on now? (a) Score card (b) Match report (c) Chat (d) Feed
14. 14.Which of these is true of a wireframe? (a) shows the real fonts (b) has the real colours (c) is a quick sketch (d) uses the final pictures
15. 15.🖼️ How many parts (boxes) does this wireframe have?
    [ top bar ]
    [ tab bar ]
    [ filter buttons ]
    [ big picture ]
    [ search box ]
    [ Save button ]
16. 16.🖼️ How many parts (boxes) does this wireframe have?
    [ top bar ]
    [ Add button ]
    [ big picture ]
    [ Save button ]
17. 17.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a wireframe (b) a final design
18. 18.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
19. 19.🔢 In a food-order flow, which comes first: “pick a dish” or “track the order”? (a) pick a dish (b) track the order
20. 20.💾 Which works with no internet at all? (a) a cloud leaderboard (b) data saved on the phone (c) a shared chat (d) a cloud backup
21. 21.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Cancel button: 44 px tall
    Help button: 44 px tall
    Send button: 40 px tall
22. 22.🌗 Is dark blue on white easy or hard to read on a button? (a) easy to read (b) hard to read
23. 23.🔘 Is this good or poor button design: space between buttons? (a) good design (b) poor design
24. 24.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Pay → Confirm → Search → Menu → Pens → Size
    Design B: Home → Results → Confirm → Pay → Address → Offers
25. 25.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) closes all apps (d) deletes the page
26. 26.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ top bar ]
    [ filter buttons ]
    [ list of items ]
    [ search box ]
    [ Save button ] (a) filter buttons (b) Save button (c) top bar (d) list of items
27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
28. 28.🔀 Why plan the user flow before building? (a) to hide the buttons (b) to add more taps (c) to skip testing (d) so each step is clear
29. 29.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
30. 30.🌗 Is white on black easy or hard to read on a button? (a) easy to read (b) hard to read
31. 31.🖼️ How many parts (boxes) does this wireframe have?
    [ Save button ]
    [ tab bar ]
    [ search box ]
    [ Add button ]
32. 32.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 10 to 12 (c) 1 (d) 20
33. 33.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) in the cloud (b) on the phone
34. 34.Which colour pair is hard to read? (a) white on black (b) black on yellow (c) white on dark green (d) light grey on white
35. 35.✏️ What is the easiest way to draw a first wireframe? (a) pencil and paper (b) a phone case (c) a 3D printer (d) a microphone
36. 36.Which colour pair is hard to read? (a) white on black (b) yellow on white (c) black on pale grey (d) white on dark green
37. 37.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
38. 38.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Confirm → Size → Shop → Search → Menu → Pens
    Design B: Home → Address → Shop (a) Design B (b) Design A
39. 39.Which of these is about UI (the look)? (a) how users feel after (b) how fast a task is done (c) the theme colours (d) whether users get lost
40. 40.True or false: a final design has no real colours. (a) True (b) False

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