App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 819 · 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 is about UI (the look)? (a) the theme colours (b) how easy sign-up is (c) how many taps it takes (d) how users feel after
2. 2.Which of these is true of the back button? (a) goes to the last screen (b) switches main sections (c) opens a list of pages (d) shows 3 to 5 icons
3. 3.True or false: a final design has no real colours. (a) False (b) True
4. 4.🔢 In a quiz-app flow, what comes right after “pick an answer”? (a) see the final score (b) tap “Start quiz” (c) see if it is right (d) read a question
5. 5.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
6. 6.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ search box ]
   [ Save button ]
   [ tab bar ]
   [ Add button ] (a) Add button (b) tab bar (c) search box (d) Save button
7. 7.Which of these helps everyone use the app? (a) tiny tap areas (b) labels on every icon (c) icons with no labels (d) fast-flashing lights
8. 8.Which of these fits saving on the phone? (a) a class leaderboard (b) photos on two devices (c) chat messages to friends (d) a draft you are typing
9. 9.🔘 Our rule: buttons are at least 48 px tall. The Start button is 28 px tall. How many px taller must it be?
10. 10.🔢 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
11. 11.✏️ A box with a cross in a wireframe usually means ___. (a) a closed app (b) delete this (c) an error (d) a picture goes here
12. 12.🎨 Is this about UI or UX: how users feel after? (a) UX (b) UI
13. 13.Which of these is true of a wireframe? (a) looks like the real app (b) has the real colours (c) uses the final pictures (d) uses plain grey boxes
14. 14.🔢 In a sign-up flow, what comes right after “type name and email”? (a) see the home screen (b) tap “Sign up” (c) open the app (d) make a password
15. 15.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Pens → Pay → Offers
    Design B: Home → Item → Results
16. 16.🔍 Which is the odd one out? (a) colour as the only clue (b) labels on every icon (c) big touch targets (d) text that can grow
17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. tap the Feed tab
    Which screen are you on now? (a) Video (b) Chat (c) Settings (d) Feed
18. 18.🌗 Is red on green easy or hard to read on a button? (a) easy to read (b) hard to read
19. 19.Which of these fits saving on the phone? (a) the sound on/off setting (b) a shared to-do list (c) chat messages to friends (d) photos on two devices
20. 20.🎨 Is this about UI or UX: how many taps it takes? (a) UI (b) UX
21. 21.🖼️ In this wireframe (top to bottom), what is right below the search box?
    [ menu icon ]
    [ search box ]
    [ filter buttons ]
    [ list of items ] (a) filter buttons (b) list of items (c) menu icon
22. 22.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) sits at the bottom (c) hides extra links (d) switches main sections
23. 23.🔍 Which is the odd one out? (a) sudden loud sounds (b) text that can grow (c) icons with no labels (d) tiny tap areas
24. 24.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to look busy (d) to hide the menu
25. 25.🎨 UX stands for user ___. (a) extra (b) express (c) experience (d) example
26. 26.True or false: a shared to-do list fits saving in the cloud. (a) True (b) False
27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Score card”
    4. tap Back
    5. open “Friend list”
    Which screen are you on now? (a) Badges (b) Score card (c) Home (d) Friend list
28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. open “Map”
    Which screen are you on now? (a) Feed (b) Chat (c) Settings (d) Map
29. 29.True or false: the theme colours is about UX (the experience). (a) False (b) True
30. 30.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pens → Pay → Search → Confirm → Address → Offers
    Design B: Home → Cart → Shop (a) Design A (b) Design B
31. 31.🔢 In a photo-post flow, what comes right after “add a filter”? (a) post the photo (b) open the camera screen (c) take the photo (d) write a caption
32. 32.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
33. 33.🔍 Which is the odd one out? (a) icons with no labels (b) labels on every icon (c) sudden loud sounds (d) fast-flashing lights
34. 34.Which of these is true of a final design? (a) has no real colours (b) shows where things go (c) uses plain grey boxes (d) shows the real fonts
35. 35.🔀 What is a user flow? (a) a type of font (b) a colour theme (c) the path through screens (d) a charging cable
36. 36.🔘 Is this good or poor button design: icons with no meaning? (a) poor design (b) good design
37. 37.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
38. 38.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
39. 39.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Start button: 48 px tall
    Next button: 28 px tall
    Help button: 52 px tall
    Cancel button: 64 px tall (a) Help (b) Next (c) Cancel (d) Start
40. 40.Which colour pair is easy to read? (a) black on yellow (b) light grey on white (c) yellow on white (d) dark blue on black

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