App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 367 · 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 the easiest way to draw a first wireframe? (a) a phone case (b) pencil and paper (c) a 3D printer (d) a microphone
2. 2.🎨 UX stands for user ___. (a) express (b) example (c) extra (d) experience
3. 3.🔢 In a photo-post flow, which comes first: “add a filter” or “open the camera screen”? (a) add a filter (b) open the camera screen
4. 4.True or false: whether users get lost is about UX (the experience). (a) True (b) False
5. 5.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
   Start button: 64 px tall
   Cancel button: 60 px tall
   Save button: 48 px tall
   Next button: 36 px tall
6. 6.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Search → Pens → Size → Confirm
   Design B: Home → Pay → Offers → Size → Address → Pens (a) Design B (b) Design A
7. 7.🔍 Which is the odd one out? (a) whether users get lost (b) how many taps it takes (c) the button colours (d) how users feel after
8. 8.True or false: chat messages to friends fits saving on the phone. (a) True (b) False
9. 9.Which of these fits saving on the phone? (a) a class leaderboard (b) a shared to-do list (c) photos on two devices (d) a draft you are typing
10. 10.🖼️ In this wireframe (top to bottom), what is right above the search box?
    [ big picture ]
    [ filter buttons ]
    [ search box ]
    [ top bar ]
    [ list of items ]
    [ title text ] (a) title text (b) filter buttons (c) top bar (d) list of items
11. 11.🌗 Is white on black easy or hard to read on a button? (a) easy to read (b) hard to read
12. 12.🔘 Our rule: buttons are at least 48 px tall. The Back button is 44 px tall. How many px taller must it be?
13. 13.🎨 Is this about UI or UX: the screen layout? (a) UI (b) UX
14. 14.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Cart → Pens → Offers → Address → Size → Results
    Design B: Home → Shop → Pens (a) Design B (b) Design A
15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Badges”
    3. tap the Me tab
    4. open “Friend list”
    Which screen are you on now? (a) Score card (b) Badges (c) Friend list (d) Lessons
16. 16.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) shows 3 to 5 icons (d) opens a list of pages
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 19 px
    Body text: 19 px
    Caption: 10 px
    Title: 19 px (a) Menu (b) Caption (c) Title (d) Body text
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 26 px
    Title: 25 px
    Hint: 18 px
    Body text: 12 px
    Menu: 16 px (a) Title (b) Body text (c) Caption (d) Hint
19. 19.🔢 In a food-order flow, which comes first: “add it to the cart” or “open the menu”? (a) open the menu (b) add it to the cart
20. 20.🖼️ How many parts (boxes) does this wireframe have?
    [ top bar ]
    [ filter buttons ]
    [ Save button ]
    [ menu icon ]
    [ search box ]
21. 21.🎨 UI stands for user ___. (a) interface (b) internet (c) input (d) idea
22. 22.🔢 In a food-order flow, which comes first: “add it to the cart” or “track the order”? (a) track the order (b) add it to the cart
23. 23.🔢 In a quiz-app flow, which comes first: “see if it is right” or “see the final score”? (a) see if it is right (b) see the final score
24. 24.🔢 In a sign-up flow, what comes right after “make a password”? (a) enter the code sent (b) type name and email (c) see the home screen (d) tap “Sign up”
25. 25.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the phone settings (c) a random page (d) the last app used
26. 26.Which of these is true of a tab bar? (a) hides extra links (b) sits at the bottom (c) goes to the last screen (d) undoes one move
27. 27.🔢 In a sign-up flow, which comes first: “type name and email” or “make a password”? (a) make a password (b) type name and email
28. 28.Which of these makes the app harder to use? (a) text that can grow (b) strong colour contrast (c) captions on videos (d) colour as the only clue
29. 29.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
30. 30.Which of these fits saving in the cloud? (a) a draft you are typing (b) the sound on/off setting (c) chat messages to friends (d) your last game level
31. 31.Which of these is true of a final design? (a) shows where things go (b) is a quick sketch (c) has no real colours (d) has the real colours
32. 32.True or false: grey text on grey is good button design. (a) False (b) True
33. 33.Which of these is true of a final design? (a) uses plain grey boxes (b) is a quick sketch (c) shows the real fonts (d) shows where things go
34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. open “Edit photo”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
35. 35.🎨 Is this about UI or UX: the button colours? (a) UI (b) UX
36. 36.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pens → Item → Menu
    Design B: Home → Menu → Cart (a) Design A (b) Design B
37. 37.Which colour pair is hard to read? (a) dark blue on white (b) black on pale grey (c) white on dark green (d) red on green
38. 38.Which of these is about UI (the look)? (a) the button colours (b) how fast a task is done (c) how easy sign-up is (d) how many taps it takes
39. 39.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
40. 40.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) deletes the page (d) goes to the last screen

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