App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 995 · 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.True or false: how easy sign-up is is about UI (the look). (a) True (b) False
2. 2.Which of these is about UX (the experience)? (a) the icon shapes (b) the screen layout (c) how many taps it takes (d) the font size
3. 3.💾 pop() takes off the last item. What does this code show?
   let notes = ["Sports", "Music", "Art", "Science", "Maths"];
   notes.pop();
   show(notes[notes.length - 1]); (a) Science (b) Music (c) Sports (d) Art
4. 4.🖼️ How many parts (boxes) does this wireframe have?
   [ Save button ]
   [ title text ]
   [ search box ]
   [ top bar ]
5. 5.🔀 In a good flow, each screen should lead to ___. (a) a random page (b) the same screen (c) a clear next step (d) a dead end
6. 6.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 3 to 5 (d) 10 to 12
7. 7.💾 What number does this code show?
   let points = 3;
   points = points - 1;
   points = points + 1;
   show(points);
8. 8.🖼️ How many parts (boxes) does this wireframe have?
   [ filter buttons ]
   [ top bar ]
   [ title text ]
   [ tab bar ]
   [ list of items ]
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 9 px
   Menu: 21 px
   Footer: 27 px (a) Menu (b) Footer (c) Title
10. 10.🔢 In a food-order flow, which comes first: “pick a dish” or “pay for the order”? (a) pay for the order (b) pick a dish
11. 11.🔢 In a food-order flow, what comes right after “add it to the cart”? (a) open the menu (b) pay for the order (c) pick a dish (d) check the cart
12. 12.🔀 What is a user flow? (a) a type of font (b) a colour theme (c) the path through screens (d) a charging cable
13. 13.🖼️ How many parts (boxes) does this wireframe have?
    [ title text ]
    [ top bar ]
    [ menu icon ]
    [ Save button ]
    [ big picture ]
    [ list of items ]
14. 14.🌗 Is dark blue on black easy or hard to read on a button? (a) hard to read (b) easy to read
15. 15.🧭 Why should every screen show where you are? (a) to use more battery (b) to hide the menu (c) so users do not get lost (d) to look busy
16. 16.True or false: a wireframe shows where things go. (a) False (b) True
17. 17.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Send button: 52 px tall
    Next button: 48 px tall
    Help button: 32 px tall (a) Help (b) Send (c) Next
18. 18.Which of these fits saving in the cloud? (a) chat messages to friends (b) notes to read offline (c) the sound on/off setting (d) your last game level
19. 19.Which of these is true of the back button? (a) shows 3 to 5 icons (b) hides extra links (c) switches main sections (d) goes to the last screen
20. 20.Which of these is true of a menu button? (a) undoes one move (b) hides extra links (c) shows 3 to 5 icons (d) switches main sections
21. 21.🎨 A beautiful app that confuses everyone has ___. (a) no UI at all (b) perfect UX (c) good UI but poor UX (d) good UX but poor UI
22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now? (a) Match report (b) Edit photo (c) Quiz (d) Lessons
23. 23.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
24. 24.Which of these is about UI (the look)? (a) how easy sign-up is (b) the icon shapes (c) how many taps it takes (d) how users feel after
25. 25.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
26. 26.🔢 In a photo-post flow, which comes first: “add a filter” or “post the photo”? (a) post the photo (b) add a filter
27. 27.🎨 Is this about UI or UX: the icon shapes? (a) UX (b) UI
28. 28.🔢 In a quiz-app flow, what comes right after “tap “Start quiz””? (a) see if it is right (b) see the final score (c) read a question (d) pick an answer
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 18 px
    Menu: 20 px
    Body text: 24 px
30. 30.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Confirm → Address → Pens → Menu → Results
    Design B: Home → Menu → Pay (a) Design A (b) Design B
31. 31.Which of these is about UI (the look)? (a) the screen layout (b) how users feel after (c) how many taps it takes (d) how easy sign-up is
32. 32.Which colour pair is hard to read? (a) light grey on white (b) white on dark green (c) white on black (d) black on yellow
33. 33.True or false: notes to read offline fits saving in the cloud. (a) False (b) True
34. 34.🌗 Is black on pale grey easy or hard to read on a button? (a) hard to read (b) easy to read
35. 35.🔍 Which is the odd one out? (a) the button colours (b) the screen layout (c) how easy sign-up is (d) the icon shapes
36. 36.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
37. 37.✏️ A box with a cross in a wireframe usually means ___. (a) a picture goes here (b) a closed app (c) delete this (d) an error
38. 38.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Pens → Shop → Size → Confirm → Pay
    Design B: Home → Offers → Size → Cart → Shop
39. 39.✏️ Is this true of a wireframe or of a final design: shows where things go? (a) a wireframe (b) a final design
40. 40.Which of these is true of a wireframe? (a) uses the final pictures (b) shows where things go (c) looks like the real app (d) has the real colours

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