App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 938 · 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.🖼️ In this wireframe (top to bottom), what is right below the Add button?
   [ Add button ]
   [ top bar ]
   [ title text ]
   [ big picture ]
   [ menu icon ]
   [ list of items ] (a) list of items (b) title text (c) top bar (d) big picture
2. 2.🎨 Is this about UI or UX: how fast a task is done? (a) UX (b) UI
3. 3.Which of these is true of a tab bar? (a) hides extra links (b) sits at the bottom (c) goes to the last screen (d) undoes one move
4. 4.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
5. 5.🔢 In a sign-up flow, what comes right after “open the app”? (a) enter the code sent (b) make a password (c) type name and email (d) tap “Sign up”
6. 6.🧭 What does the back button usually do? (a) goes to the last screen (b) opens settings (c) closes all apps (d) deletes the page
7. 7.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Search → Confirm → Item → Menu → Pens
   Design B: Home → Confirm → Offers → Address → Cart (a) Design A (b) Design B
8. 8.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) tiny tap areas (d) labels on every icon
9. 9.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
10. 10.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Cart → Menu
    Design B: Home → Cart → Search → Pay → Item
11. 11.True or false: a final design uses plain grey boxes. (a) False (b) True
12. 12.💾 What number does this code show?
    let friends = ["Kabir", "Arjun", "Zoya"];
    friends.push("Riya");
    friends.push("Aman");
    show(friends.length);
13. 13.True or false: your last game level fits saving in the cloud. (a) True (b) False
14. 14.Which colour pair is hard to read? (a) pale pink on white (b) black on pale grey (c) white on dark green (d) dark blue on white
15. 15.💾 What number does this code show?
    let stars = 4;
    stars = stars - 4;
    stars = stars + 2;
    show(stars);
16. 16.💾 Where should the app save a shared to-do list: on the phone or in the cloud? (a) on the phone (b) in the cloud
17. 17.True or false: grey text on grey is poor button design. (a) True (b) False
18. 18.🖼️ In this wireframe (top to bottom), what is right above the filter buttons?
    [ top bar ]
    [ search box ]
    [ Save button ]
    [ Add button ]
    [ filter buttons ] (a) search box (b) top bar (c) Add button (d) Save button
19. 19.🔍 Which is the odd one out? (a) the font size (b) how fast a task is done (c) the button colours (d) the theme colours
20. 20.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Pay → Size → Shop → Menu → Confirm → Search
    Design B: Home → Item → Pay → Size
21. 21.Which of these is true of a wireframe? (a) has no real colours (b) shows the real fonts (c) has the real colours (d) uses the final pictures
22. 22.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Shop → Pay → Item
    Design B: Home → Address → Cart → Search → Offers → Pens
23. 23.True or false: a tiny 20 px button is good button design. (a) True (b) False
24. 24.💾 What number does this code show?
    let stars = 4;
    stars = stars - 2;
    stars = stars + 4;
    show(stars);
25. 25.♿ What should every icon-only button have for screen readers? (a) a text label (b) a bright colour (c) a sound (d) a long animation
26. 26.Which of these is true of a tab bar? (a) switches main sections (b) opens a list of pages (c) undoes one move (d) goes to the last screen
27. 27.🎨 Is this about UI or UX: the font size? (a) UI (b) UX
28. 28.🎨 UI stands for user ___. (a) interface (b) idea (c) input (d) internet
29. 29.True or false: the button colours is about UX (the experience). (a) False (b) True
30. 30.🖼️ How many parts (boxes) does this wireframe have?
    [ search box ]
    [ big picture ]
    [ tab bar ]
    [ list of items ]
    [ Add button ]
31. 31.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Send button: 56 px tall
    Save button: 32 px tall
    Cancel button: 32 px tall
    Next button: 56 px tall
32. 32.🔢 In a quiz-app flow, what comes right after “see if it is right”? (a) tap “Start quiz” (b) pick an answer (c) read a question (d) see the final score
33. 33.🖼️ In this wireframe (top to bottom), what is right below the filter buttons?
    [ search box ]
    [ list of items ]
    [ filter buttons ]
    [ Save button ] (a) search box (b) list of items (c) Save button
34. 34.True or false: a wireframe looks like the real app. (a) True (b) False
35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
36. 36.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Menu → Shop → Pens → Pay → Results
    Design B: Home → Shop → Pay → Offers → Cart
37. 37.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) undoes one move (c) sits at the bottom (d) hides extra links
38. 38.🔍 Which is the odd one out? (a) how users feel after (b) whether users get lost (c) how many taps it takes (d) the screen layout
39. 39.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
40. 40.🔢 In a sign-up flow, which comes first: “open the app” or “tap “Sign up””? (a) tap “Sign up” (b) open the app

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