App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 10 · 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 search box?
   [ Save button ]
   [ big picture ]
   [ search box ]
   [ Add button ]
   [ list of items ]
   [ menu icon ] (a) big picture (b) Add button (c) list of items (d) menu icon
2. 2.🔢 In a quiz-app flow, which comes first: “read a question” or “see the final score”? (a) read a question (b) see the final score
3. 3.🔢 In a sign-up flow, which comes FIRST? (a) type name and email (b) make a password (c) open the app (d) see the home screen
4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Score card”
   2. open “Badges”
   3. open “Badges”
   Which screen are you on now? (a) Score card (b) Quiz (c) Lessons (d) Badges
5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Badges”
   2. tap Back
   3. open “Map”
   4. open “Score card”
   5. tap Back
   Which screen are you on now? (a) Feed (b) Map (c) Score card (d) Badges
6. 6.🖼️ How many parts (boxes) does this wireframe have?
   [ list of items ]
   [ top bar ]
   [ big picture ]
   [ title text ]
7. 7.🔀 A screen with no way forward or back is called a ___. (a) tab bar (b) dead end (c) shortcut (d) home screen
8. 8.💾 What number does this code show?
   let points = 6;
   points = points - 6;
   points = points + 3;
   show(points);
9. 9.✏️ What is a wireframe? (a) a charging cable (b) the finished app (c) a simple screen sketch (d) a type of password
10. 10.🎨 Is this about UI or UX: how fast a task is done? (a) UI (b) UX
11. 11.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 24 px tall. How many px taller must it be?
12. 12.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Search → Confirm → Address → Shop → Pens
    Design B: Home → Search → Shop → Size → Address
13. 13.Which of these is about UI (the look)? (a) how fast a task is done (b) how easy sign-up is (c) the theme colours (d) how users feel after
14. 14.🌗 Is dark blue on white easy or hard to read on a button? (a) easy to read (b) hard to read
15. 15.🌗 Is light grey on white easy or hard to read on a button? (a) hard to read (b) easy to read
16. 16.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) switches main sections (d) undoes one move
17. 17.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) colour as the only clue (d) text that can grow
18. 18.🎨 UI stands for user ___. (a) interface (b) idea (c) input (d) internet
19. 19.🔢 In a photo-post flow, which comes FIRST? (a) add a filter (b) open the camera screen (c) post the photo (d) take the photo
20. 20.🔢 In a food-order flow, which comes first: “track the order” or “add it to the cart”? (a) add it to the cart (b) track the order
21. 21.Which colour pair is hard to read? (a) black on yellow (b) light grey on white (c) dark blue on white (d) white on dark green
22. 22.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
23. 23.🔘 Our rule: buttons are at least 48 px tall. The Done button is 40 px tall. How many px taller must it be?
24. 24.🔢 In a food-order flow, which comes FIRST? (a) check the cart (b) open the menu (c) pay for the order (d) pick a dish
25. 25.🖼️ In this wireframe (top to bottom), what is right below the filter buttons?
    [ list of items ]
    [ top bar ]
    [ filter buttons ]
    [ big picture ]
    [ Save button ] (a) big picture (b) list of items (c) top bar (d) Save button
26. 26.Which of these is true of a final design? (a) shows where things go (b) shows the real fonts (c) is a quick sketch (d) uses plain grey boxes
27. 27.True or false: a final design is a quick sketch. (a) True (b) False
28. 28.🖼️ In this wireframe (top to bottom), what is right below the menu icon?
    [ title text ]
    [ list of items ]
    [ menu icon ]
    [ big picture ]
    [ top bar ] (a) list of items (b) big picture (c) title text (d) top bar
29. 29.💾 Which can hold many values in order? (a) a single number (b) a switch (c) a button (d) a list
30. 30.Which colour pair is easy to read? (a) dark blue on white (b) yellow on white (c) pale pink on white (d) red on green
31. 31.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a wireframe (b) a final design
32. 32.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) colour as the only clue (d) captions on videos
33. 33.🧭 What does the back button usually do? (a) deletes the page (b) closes all apps (c) goes to the last screen (d) opens settings
34. 34.🖼️ In this wireframe (top to bottom), what is right below the list of items?
    [ menu icon ]
    [ list of items ]
    [ Add button ]
    [ top bar ] (a) top bar (b) menu icon (c) Add button
35. 35.Which colour pair is easy to read? (a) black on pale grey (b) pale pink on white (c) dark blue on black (d) light grey on white
36. 36.True or false: the font size is about UX (the experience). (a) True (b) False
37. 37.🖼️ In this wireframe (top to bottom), what is right below the menu icon?
    [ menu icon ]
    [ list of items ]
    [ search box ]
    [ tab bar ]
    [ top bar ] (a) list of items (b) search box (c) tab bar (d) top bar
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 11 px
    Menu: 17 px
    Body text: 22 px
39. 39.💾 What number does this code show?
    let stars = 3;
    stars = stars - 1;
    stars = stars + 5;
    show(stars);
40. 40.🔢 In a food-order flow, which comes LAST? (a) pick a dish (b) add it to the cart (c) track the order (d) open the menu

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