App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 170 · 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 fits saving on the phone? (a) photos on two devices (b) a shared to-do list (c) a class leaderboard (d) your last game level
2. 2.Which of these is about UI (the look)? (a) how fast a task is done (b) how users feel after (c) how easy sign-up is (d) the screen layout
3. 3.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
   Design A: Home → Address → Size → Offers → Pens → Item → Pay
   Design B: Home → Cart → Shop
4. 4.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Shop → Results → Offers → Address
   Design B: Home → Item → Pens → Confirm → Shop → Pay (a) Design A (b) Design B
5. 5.🖼️ In this wireframe (top to bottom), what is right above the filter buttons?
   [ title text ]
   [ Add button ]
   [ big picture ]
   [ filter buttons ] (a) big picture (b) title text (c) Add button
6. 6.True or false: a class leaderboard fits saving on the phone. (a) False (b) True
7. 7.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) deletes the page (d) closes all apps
8. 8.✏️ A box with a cross in a wireframe usually means ___. (a) an error (b) a closed app (c) delete this (d) a picture goes here
9. 9.🔀 What is a user flow? (a) a colour theme (b) a type of font (c) a charging cable (d) the path through screens
10. 10.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a wireframe (b) a final design
11. 11.🔢 In a quiz-app flow, what comes right after “pick an answer”? (a) tap “Start quiz” (b) read a question (c) see the final score (d) see if it is right
12. 12.🔢 In a sign-up flow, which comes LAST? (a) open the app (b) make a password (c) see the home screen (d) tap “Sign up”
13. 13.🌗 Is black on pale grey easy or hard to read on a button? (a) hard to read (b) easy to read
14. 14.🎨 UX stands for user ___. (a) extra (b) example (c) express (d) experience
15. 15.🖼️ How many parts (boxes) does this wireframe have?
    [ Save button ]
    [ search box ]
    [ title text ]
    [ big picture ]
    [ list of items ]
16. 16.🖼️ In this wireframe (top to bottom), what is right above the Add button?
    [ list of items ]
    [ top bar ]
    [ Add button ]
    [ tab bar ]
    [ search box ] (a) tab bar (b) top bar (c) search box (d) list of items
17. 17.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 3 to 5 (d) 20
18. 18.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pens → Cart
    Design B: Home → Confirm → Menu → Search → Results → Pens → Item (a) Design A (b) Design B
19. 19.✏️ What is a wireframe? (a) the finished app (b) a charging cable (c) a simple screen sketch (d) a type of password
20. 20.🎨 Is this about UI or UX: the font size? (a) UI (b) UX
21. 21.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Cart → Search → Item → Confirm → Pay
    Design B: Home → Item → Pens → Cart (a) Design A (b) Design B
22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Profile tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 12 px
    Hint: 28 px
    Label: 18 px (a) Menu (b) Hint (c) Label
24. 24.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) opens a list of pages (d) shows 3 to 5 icons
25. 25.🔢 In a food-order flow, which comes FIRST? (a) open the menu (b) check the cart (c) add it to the cart (d) pay for the order
26. 26.💾 What does this code show? (Positions start at 0.)
    let notes = ["Sports", "Maths", "Science", "Art"];
    show(notes[1]); (a) Maths (b) Art (c) Science (d) Sports
27. 27.🔍 Which is the odd one out? (a) how fast a task is done (b) the button colours (c) whether users get lost (d) how users feel after
28. 28.Which of these is true of a final design? (a) uses plain grey boxes (b) has no real colours (c) is a quick sketch (d) has the real colours
29. 29.Which of these is about UI (the look)? (a) how easy sign-up is (b) how fast a task is done (c) how users feel after (d) the font size
30. 30.💾 In most code, the first item of a list is at position ___. (a) 1 (b) 10 (c) 2 (d) 0
31. 31.True or false: how easy sign-up is is about UI (the look). (a) False (b) True
32. 32.Which of these is true of a wireframe? (a) shows the real fonts (b) uses plain grey boxes (c) uses the final pictures (d) has the real colours
33. 33.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Address → Pay → Size → Menu → Results → Item
    Design B: Home → Confirm → Size → Results → Search
34. 34.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
35. 35.🔢 In a sign-up flow, what comes right after “type name and email”? (a) enter the code sent (b) make a password (c) open the app (d) tap “Sign up”
36. 36.True or false: whether users get lost is about UX (the experience). (a) False (b) True
37. 37.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
38. 38.🔢 In a photo-post flow, what comes right after “open the camera screen”? (a) post the photo (b) add a filter (c) write a caption (d) take the photo
39. 39.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Video”
    Which screen are you on now? (a) Search (b) Profile (c) Video (d) Home

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