App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 791 · 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 is the odd one out? (a) captions on videos (b) labels on every icon (c) text that can grow (d) tiny tap areas
2. 2.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a wireframe (b) a final design
3. 3.True or false: a wireframe uses the final pictures. (a) True (b) False
4. 4.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
5. 5.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) sits at the bottom (c) switches main sections (d) opens a list of pages
6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Video”
   2. open “Edit photo”
   3. open “Map”
   Which screen are you on now? (a) Map (b) Home (c) Edit photo (d) Video
7. 7.🔍 Which is the odd one out? (a) the screen layout (b) how easy sign-up is (c) how users feel after (d) whether users get lost
8. 8.🖼️ In this wireframe (top to bottom), what is right above the Save button?
   [ Add button ]
   [ Save button ]
   [ big picture ]
   [ list of items ] (a) list of items (b) big picture (c) Add button
9. 9.Which of these makes the app harder to use? (a) labels on every icon (b) captions on videos (c) colour as the only clue (d) strong colour contrast
10. 10.True or false: a final design looks like the real app. (a) False (b) True
11. 11.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) on the phone (b) in the cloud
12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Map”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
13. 13.True or false: your last game level fits saving in the cloud. (a) True (b) False
14. 14.💾 What number does this code show?
    let stars = 5;
    stars = stars - 1;
    stars = stars + 1;
    show(stars);
15. 15.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Confirm → Pens → Menu
    Design B: Home → Offers → Menu → Confirm → Search → Item
16. 16.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) the phone settings (c) a random page (d) that tab’s main screen
17. 17.True or false: chat messages to friends fits saving on the phone. (a) False (b) True
18. 18.Which of these is about UX (the experience)? (a) the font size (b) the screen layout (c) how users feel after (d) the icon shapes
19. 19.🔢 In a photo-post flow, which comes first: “add a filter” or “post the photo”? (a) post the photo (b) add a filter
20. 20.True or false: a tiny 20 px button is poor button design. (a) False (b) True
21. 21.🎨 Is this about UI or UX: the font size? (a) UI (b) UX
22. 22.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 48 px tall
    Cancel button: 36 px tall
    Next button: 68 px tall (a) Cancel (b) Save (c) Next
23. 23.Which colour pair is easy to read? (a) red on green (b) dark blue on black (c) dark blue on white (d) light grey on white
24. 24.🔢 In a photo-post flow, which comes FIRST? (a) open the camera screen (b) take the photo (c) write a caption (d) post the photo
25. 25.♿ Accessibility means an app works for ___. (a) everyone (b) only experts (c) only the coder (d) nobody
26. 26.True or false: a shared to-do list fits saving on the phone. (a) False (b) True
27. 27.🔢 In a quiz-app flow, what comes right after “pick an answer”? (a) read a question (b) see if it is right (c) see the final score (d) tap “Start quiz”
28. 28.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
29. 29.💾 What does this code show? (Positions start at 0.)
    let songs = ["Stars", "Ocean", "Rain"];
    show(songs[2]); (a) Stars (b) Ocean (c) Rain
30. 30.✏️ What is the easiest way to draw a first wireframe? (a) pencil and paper (b) a microphone (c) a phone case (d) a 3D printer
31. 31.✏️ Is this true of a wireframe or of a final design: looks like the real app? (a) a final design (b) a wireframe
32. 32.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a wireframe (b) a final design
33. 33.🎨 UX stands for user ___. (a) experience (b) example (c) express (d) extra
34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Map”
    3. tap Back
    4. open “Edit photo”
    5. tap the Lessons tab
    Which screen are you on now? (a) Edit photo (b) Map (c) Lessons (d) Quiz
35. 35.💾 Where should the app save the sound on/off setting: on the phone or in the cloud? (a) on the phone (b) in the cloud
36. 36.🔢 In a sign-up flow, which comes LAST? (a) open the app (b) see the home screen (c) make a password (d) tap “Sign up”
37. 37.Which of these is about UI (the look)? (a) how fast a task is done (b) whether users get lost (c) the screen layout (d) how many taps it takes
38. 38.🌗 Is pale pink on white easy or hard to read on a button? (a) easy to read (b) hard to read
39. 39.✏️ What is a wireframe? (a) a type of password (b) a charging cable (c) the finished app (d) a simple screen sketch
40. 40.🔍 Which is the odd one out? (a) the theme colours (b) how fast a task is done (c) the icon shapes (d) the button colours

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