App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 652 · 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.🔀 A screen with no way forward or back is called a ___. (a) dead end (b) shortcut (c) tab bar (d) home screen
2. 2.✏️ A box with a cross in a wireframe usually means ___. (a) delete this (b) a closed app (c) a picture goes here (d) an error
3. 3.Which of these is true of a final design? (a) is a quick sketch (b) shows the real fonts (c) shows where things go (d) has no real colours
4. 4.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
   Send button: 48 px tall
   Help button: 44 px tall
   Done button: 56 px tall
   Back button: 44 px tall
5. 5.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
   Design A: Home → Address → Pens → Menu → Offers
   Design B: Home → Pay → Item → Confirm
6. 6.Which of these fits saving on the phone? (a) a shared to-do list (b) the sound on/off setting (c) a class leaderboard (d) chat messages to friends
7. 7.Which of these is true of a menu button? (a) switches main sections (b) shows 3 to 5 icons (c) hides extra links (d) sits at the bottom
8. 8.💾 What number does this code show?
   let score = 8;
   score = score - 6;
   score = score + 1;
   show(score);
9. 9.True or false: a wireframe looks like the real app. (a) True (b) False
10. 10.💾 pop() takes off the last item. What does this code show?
    let friends = ["Meera", "Arjun", "Aman", "Kabir"];
    friends.pop();
    show(friends[friends.length - 1]); (a) Meera (b) Aman (c) Arjun (d) Kabir
11. 11.True or false: a final design is a quick sketch. (a) True (b) False
12. 12.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
13. 13.🎨 Is this about UI or UX: how fast a task is done? (a) UX (b) UI
14. 14.🔢 In a food-order flow, what comes right after “add it to the cart”? (a) open the menu (b) check the cart (c) pay for the order (d) pick a dish
15. 15.Which colour pair is hard to read? (a) white on black (b) yellow on white (c) white on dark green (d) black on pale grey
16. 16.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a text label (c) a bright colour (d) a sound
17. 17.🖼️ In this wireframe (top to bottom), what is right above the search box?
    [ tab bar ]
    [ search box ]
    [ Add button ]
    [ menu icon ] (a) Add button (b) tab bar (c) menu icon
18. 18.True or false: notes to read offline fits saving on the phone. (a) True (b) False
19. 19.🖼️ How many parts (boxes) does this wireframe have?
    [ list of items ]
    [ Save button ]
    [ tab bar ]
    [ menu icon ]
20. 20.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Back button: 44 px tall
    Next button: 36 px tall
    Send button: 32 px tall
    Start button: 44 px tall
21. 21.🧭 Why should every screen show where you are? (a) to use more battery (b) to hide the menu (c) to look busy (d) so users do not get lost
22. 22.💾 What number does this code show?
    let points = 6;
    points = points - 6;
    points = points + 2;
    show(points);
23. 23.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a final design (b) a wireframe
24. 24.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Shop → Size
    Design B: Home → Menu → Shop → Pens → Pay → Address
25. 25.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
26. 26.🔢 In a sign-up flow, what comes right after “type name and email”? (a) enter the code sent (b) make a password (c) tap “Sign up” (d) open the app
27. 27.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
28. 28.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Pay → Results → Shop → Search
    Design B: Home → Shop → Size → Confirm → Item → Search → Results
29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Match report”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
30. 30.Which of these makes the app harder to use? (a) tiny tap areas (b) captions on videos (c) labels on every icon (d) text that can grow
31. 31.🔢 In a food-order flow, which comes first: “pay for the order” or “check the cart”? (a) pay for the order (b) check the cart
32. 32.🔍 Which is the odd one out? (a) the icon shapes (b) the font size (c) how many taps it takes (d) the theme colours
33. 33.🔍 Which is the odd one out? (a) whether users get lost (b) how easy sign-up is (c) how fast a task is done (d) the button colours
34. 34.🔢 In a sign-up flow, which comes LAST? (a) see the home screen (b) open the app (c) tap “Sign up” (d) enter the code sent
35. 35.🔀 What is a user flow? (a) a type of font (b) a charging cable (c) the path through screens (d) a colour theme
36. 36.🔢 In a sign-up flow, what comes right after “tap “Sign up””? (a) make a password (b) open the app (c) type name and email (d) see the home screen
37. 37.True or false: how many taps it takes is about UI (the look). (a) False (b) True
38. 38.💾 Where should the app save a draft you are typing: on the phone or in the cloud? (a) in the cloud (b) on the phone
39. 39.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
40. 40.🔢 In a food-order flow, which comes first: “track the order” or “pick a dish”? (a) track the order (b) pick a dish

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