App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 379 · 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 list of items?
   [ top bar ]
   [ menu icon ]
   [ list of items ]
   [ Add button ] (a) top bar (b) menu icon (c) Add button
2. 2.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 10 to 12 (d) 20
3. 3.True or false: notes to read offline fits saving on the phone. (a) True (b) False
4. 4.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
5. 5.💾 What does this code show? (Positions start at 0.)
   let songs = ["Ocean", "Stars", "Kites", "Monsoon"];
   show(songs[1]); (a) Monsoon (b) Ocean (c) Kites (d) Stars
6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Friend list”
   2. tap the Lessons tab
   3. open “Match report”
   4. tap Back
   Which screen are you on now? (a) Match report (b) Quiz (c) Friend list (d) Lessons
7. 7.🔘 Our rule: buttons are at least 48 px tall. The Done button is 24 px tall. How many px taller must it be?
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 18 px
   Label: 11 px
   Footer: 22 px
   Body text: 24 px
9. 9.🔢 In a quiz-app flow, what comes right after “read a question”? (a) tap “Start quiz” (b) see if it is right (c) pick an answer (d) see the final score
10. 10.🖼️ How many parts (boxes) does this wireframe have?
    [ title text ]
    [ search box ]
    [ big picture ]
    [ Add button ]
    [ list of items ]
    [ tab bar ]
11. 11.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) tiny tap areas (d) text that can grow
12. 12.🧭 Why should every screen show where you are? (a) to look busy (b) to hide the menu (c) to use more battery (d) so users do not get lost
13. 13.True or false: a wireframe shows where things go. (a) True (b) False
14. 14.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ filter buttons ]
    [ title text ]
    [ menu icon ]
    [ Add button ]
    [ tab bar ] (a) Add button (b) title text (c) filter buttons (d) tab bar
15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. tap the Feed tab
    Which screen are you on now? (a) Settings (b) Chat (c) Feed
16. 16.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Pay → Address → Offers
    Design B: Home → Offers → Shop
17. 17.Which colour pair is easy to read? (a) pale pink on white (b) red on green (c) light grey on white (d) black on yellow
18. 18.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
19. 19.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ Save button ]
    [ filter buttons ]
    [ tab bar ]
    [ top bar ]
    [ title text ] (a) filter buttons (b) top bar (c) Save button (d) title text
20. 20.🔘 Is this good or poor button design: space between buttons? (a) good design (b) poor design
21. 21.🔢 In a sign-up flow, which comes LAST? (a) see the home screen (b) make a password (c) tap “Sign up” (d) enter the code sent
22. 22.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Done button: 48 px tall
    Cancel button: 40 px tall
    Send button: 48 px tall
    Save button: 52 px tall
23. 23.🖼️ In this wireframe (top to bottom), what is right below the big picture?
    [ title text ]
    [ big picture ]
    [ search box ]
    [ Add button ]
    [ tab bar ]
    [ filter buttons ] (a) filter buttons (b) title text (c) search box (d) Add button
24. 24.True or false: how easy sign-up is is about UX (the experience). (a) False (b) True
25. 25.True or false: a clear word like Save is good button design. (a) False (b) True
26. 26.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Shop → Address → Cart → Search → Pay
    Design B: Home → Item → Menu → Offers → Pens → Search → Size
27. 27.💾 Where should the app save a class leaderboard: on the phone or in the cloud? (a) in the cloud (b) on the phone
28. 28.🎨 A beautiful app that confuses everyone has ___. (a) no UI at all (b) good UX but poor UI (c) perfect UX (d) good UI but poor UX
29. 29.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
30. 30.True or false: the sound on/off setting fits saving on the phone. (a) True (b) False
31. 31.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Pay → Results
    Design B: Home → Results → Offers → Menu → Address → Shop
32. 32.🔢 In a sign-up flow, what comes right after “tap “Sign up””? (a) make a password (b) enter the code sent (c) type name and email (d) see the home screen
33. 33.💾 What number does this code show?
    let notes = ["Music", "Hindi", "Art", "Science"];
    notes.push("Maths");
    notes.push("Sports");
    show(notes.length);
34. 34.💾 What does this code show? (Positions start at 0.)
    let friends = ["Riya", "Meera", "Aman"];
    show(friends[2]); (a) Meera (b) Riya (c) Aman
35. 35.True or false: a big, easy tap area is poor button design. (a) True (b) False
36. 36.🌗 Is black on yellow easy or hard to read on a button? (a) easy to read (b) hard to read
37. 37.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) undoes one move (d) shows 3 to 5 icons
38. 38.💾 Saving data in the cloud lets you ___. (a) use it on any device (b) shrink the app (c) never need a password (d) skip the internet
39. 39.🔢 In a sign-up flow, which comes FIRST? (a) open the app (b) make a password (c) see the home screen (d) type name and email
40. 40.🎨 UI stands for user ___. (a) idea (b) input (c) internet (d) interface

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