App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 859 · 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.✏️ What is a wireframe? (a) a charging cable (b) the finished app (c) a type of password (d) a simple screen sketch
2. 2.True or false: the icon shapes is about UI (the look). (a) False (b) True
3. 3.Which of these fits saving in the cloud? (a) the sound on/off setting (b) your last game level (c) a draft you are typing (d) a shared to-do list
4. 4.True or false: a tiny 20 px button is poor button design. (a) True (b) False
5. 5.Which colour pair is easy to read? (a) light grey on white (b) dark blue on black (c) yellow on white (d) black on yellow
6. 6.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Size → Pens → Search
   Design B: Home → Address → Results → Pens → Pay → Size → Menu (a) Design B (b) Design A
7. 7.Which of these fits saving on the phone? (a) a class leaderboard (b) chat messages to friends (c) the sound on/off setting (d) photos on two devices
8. 8.🔢 In a sign-up flow, what comes right after “open the app”? (a) tap “Sign up” (b) enter the code sent (c) see the home screen (d) make a password
9. 9.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) captions on videos (d) fast-flashing lights
10. 10.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Save button: 60 px tall
    Send button: 32 px tall
    Next button: 64 px tall
    Help button: 40 px tall
11. 11.🔍 Which is the odd one out? (a) fast-flashing lights (b) tiny tap areas (c) captions on videos (d) colour as the only clue
12. 12.🔢 In a food-order flow, which comes first: “pay for the order” or “check the cart”? (a) check the cart (b) pay for the order
13. 13.Which of these is about UX (the experience)? (a) the button colours (b) how many taps it takes (c) the font size (d) the icon shapes
14. 14.True or false: the button colours is about UX (the experience). (a) False (b) True
15. 15.🎨 Is this about UI or UX: how users feel after? (a) UX (b) UI
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 28 px
    Menu: 9 px
    Caption: 18 px
    Title: 21 px (a) Menu (b) Title (c) Label (d) Caption
17. 17.🔢 In a quiz-app flow, which comes LAST? (a) tap “Start quiz” (b) read a question (c) see the final score (d) pick an answer
18. 18.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
19. 19.✏️ Is this true of a wireframe or of a final design: looks like the real app? (a) a wireframe (b) a final design
20. 20.🎨 UX stands for user ___. (a) experience (b) example (c) express (d) extra
21. 21.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Shop → Offers → Pay → Address → Pens
    Design B: Home → Search → Cart → Pens → Shop (a) Design A (b) Design B
22. 22.Which of these makes the app harder to use? (a) tiny tap areas (b) text that can grow (c) big touch targets (d) labels on every icon
23. 23.💾 What does this code show? (Positions start at 0.)
    let songs = ["Sunrise", "Kites", "Monsoon"];
    show(songs[2]); (a) Kites (b) Sunrise (c) Monsoon
24. 24.🔀 In a good flow, each screen should lead to ___. (a) a clear next step (b) a random page (c) the same screen (d) a dead end
25. 25.True or false: a final design shows where things go. (a) True (b) False
26. 26.💾 What number does this code show?
    let coins = 9;
    coins = coins - 2;
    coins = coins + 5;
    show(coins);
27. 27.Which of these is true of the back button? (a) switches main sections (b) hides extra links (c) sits at the bottom (d) undoes one move
28. 28.🔢 In a food-order flow, which comes LAST? (a) add it to the cart (b) track the order (c) pay for the order (d) check the cart
29. 29.True or false: a wireframe uses the final pictures. (a) True (b) False
30. 30.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Send button: 36 px tall
    Cancel button: 32 px tall
    Save button: 56 px tall
31. 31.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
32. 32.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Confirm → Pay → Address → Pens → Menu → Shop
    Design B: Home → Pay → Menu → Size → Pens → Address
33. 33.True or false: a big, easy tap area is good button design. (a) True (b) False
34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
35. 35.Which colour pair is hard to read? (a) black on pale grey (b) white on dark green (c) dark blue on white (d) pale pink on white
36. 36.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Shop → Confirm → Search → Pens
    Design B: Home → Search → Item
37. 37.True or false: the screen layout is about UI (the look). (a) True (b) False
38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Feed tab
    3. open “Badges”
    Which screen are you on now? (a) Badges (b) Chat (c) Match report (d) Feed
39. 39.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) captions on videos (d) sudden loud sounds
40. 40.🖼️ How many parts (boxes) does this wireframe have?
    [ Save button ]
    [ Add button ]
    [ tab bar ]
    [ menu icon ]
    [ title text ]

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