App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 468 · 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.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Score card”
   2. open “Match report”
   3. open “Video”
   4. tap the Search tab
   5. tap the Search tab
   Which screen are you on now? (a) Score card (b) Video (c) Search (d) Match report
2. 2.True or false: a final design shows the real fonts. (a) True (b) False
3. 3.🔘 Our rule: buttons are at least 48 px tall. The Help button is 40 px tall. How many px taller must it be?
4. 4.True or false: the button colours is about UI (the look). (a) False (b) True
5. 5.🎨 UX stands for user ___. (a) express (b) example (c) experience (d) extra
6. 6.True or false: how easy sign-up is is about UI (the look). (a) False (b) True
7. 7.Which of these is true of a wireframe? (a) has the real colours (b) shows the real fonts (c) uses plain grey boxes (d) uses the final pictures
8. 8.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Address → Cart
   Design B: Home → Offers → Pay → Shop → Menu → Cart → Address (a) Design A (b) Design B
9. 9.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
10. 10.🔢 In a food-order flow, which comes FIRST? (a) pick a dish (b) pay for the order (c) open the menu (d) track the order
11. 11.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) strong colour contrast (d) icons with no labels
12. 12.🔀 What is a user flow? (a) a colour theme (b) a charging cable (c) the path through screens (d) a type of font
13. 13.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) big touch targets (d) colour as the only clue
14. 14.True or false: whether users get lost is about UX (the experience). (a) True (b) False
15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now? (a) Home (b) Badges (c) Edit photo (d) Search
16. 16.💾 What does this code show? (Positions start at 0.)
    let notes = ["Hindi", "Art", "Maths"];
    show(notes[0]); (a) Maths (b) Art (c) Hindi
17. 17.🔢 In a sign-up flow, what comes right after “open the app”? (a) type name and email (b) tap “Sign up” (c) see the home screen (d) make a password
18. 18.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
19. 19.Which of these is about UX (the experience)? (a) the theme colours (b) whether users get lost (c) the icon shapes (d) the button colours
20. 20.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
21. 21.Which colour pair is hard to read? (a) white on dark green (b) black on yellow (c) white on black (d) dark blue on black
22. 22.Which of these fits saving in the cloud? (a) notes to read offline (b) the sound on/off setting (c) a draft you are typing (d) photos on two devices
23. 23.🎨 Is this about UI or UX: the screen layout? (a) UI (b) UX
24. 24.True or false: a shared to-do list fits saving on the phone. (a) True (b) False
25. 25.🌗 Is black on yellow easy or hard to read on a button? (a) hard to read (b) easy to read
26. 26.✏️ Why draw a wireframe before coding? (a) it runs the app (b) it saves data (c) changes are quick (d) it adds colours
27. 27.Which of these is about UX (the experience)? (a) how easy sign-up is (b) the font size (c) the button colours (d) the icon shapes
28. 28.💾 Where should the app save chat messages to friends: on the phone or in the cloud? (a) on the phone (b) in the cloud
29. 29.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Shop → Cart → Search → Item → Address
    Design B: Home → Address → Offers → Menu
30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Home tab
    4. open “Score card”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
31. 31.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Shop → Size
    Design B: Home → Size → Offers → Results → Shop → Pens (a) Design B (b) Design A
32. 32.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Cancel button: 48 px tall
    Back button: 32 px tall
    Done button: 68 px tall
    Send button: 72 px tall (a) Cancel (b) Send (c) Done (d) Back
33. 33.🎨 A beautiful app that confuses everyone has ___. (a) good UX but poor UI (b) perfect UX (c) no UI at all (d) good UI but poor UX
34. 34.🌗 Is black on pale grey easy or hard to read on a button? (a) easy to read (b) hard to read
35. 35.✏️ What is the easiest way to draw a first wireframe? (a) a microphone (b) a 3D printer (c) pencil and paper (d) a phone case
36. 36.🔢 In a quiz-app flow, what comes right after “read a question”? (a) tap “Start quiz” (b) see the final score (c) see if it is right (d) pick an answer
37. 37.💾 Which can hold many values in order? (a) a button (b) a single number (c) a list (d) a switch
38. 38.🔢 In a photo-post flow, which comes first: “open the camera screen” or “write a caption”? (a) open the camera screen (b) write a caption
39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
40. 40.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Address → Search
    Design B: Home → Item → Pay → Cart → Menu → Pens → Results

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