App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 202 · 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 above the search box?
   [ Add button ]
   [ tab bar ]
   [ search box ]
   [ menu icon ]
   [ list of items ] (a) Add button (b) tab bar (c) menu icon (d) list of items
2. 2.💾 Where should the app save a draft you are typing: on the phone or in the cloud? (a) on the phone (b) in the cloud
3. 3.🖼️ In this wireframe (top to bottom), what is right below the search box?
   [ search box ]
   [ big picture ]
   [ list of items ]
   [ Save button ]
   [ Add button ] (a) Add button (b) big picture (c) list of items (d) Save button
4. 4.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Shop → Pay → Pens → Confirm → Address → Cart
   Design B: Home → Item → Menu → Results → Cart
5. 5.🔀 What is a user flow? (a) a type of font (b) a charging cable (c) a colour theme (d) the path through screens
6. 6.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Confirm → Results
   Design B: Home → Results → Offers → Cart (a) Design A (b) Design B
7. 7.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) big touch targets (d) colour as the only clue
8. 8.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
9. 9.✏️ What is a wireframe? (a) a charging cable (b) a type of password (c) the finished app (d) a simple screen sketch
10. 10.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Menu → Cart → Size → Item → Shop → Pens
    Design B: Home → Menu → Confirm → Cart
11. 11.🔀 Why plan the user flow before building? (a) to skip testing (b) so each step is clear (c) to hide the buttons (d) to add more taps
12. 12.True or false: a wireframe has no real colours. (a) True (b) False
13. 13.Which of these is about UX (the experience)? (a) the icon shapes (b) the screen layout (c) how easy sign-up is (d) the button colours
14. 14.True or false: a wireframe shows where things go. (a) False (b) True
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 10 px
    Body text: 26 px
    Caption: 17 px
    Footer: 17 px (a) Footer (b) Menu (c) Caption (d) Body text
16. 16.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Menu → Item → Confirm → Pens → Offers → Pay
    Design B: Home → Pay → Pens → Search → Shop → Cart (a) Design B (b) Design A
17. 17.True or false: the screen layout is about UX (the experience). (a) False (b) True
18. 18.Which of these helps everyone use the app? (a) colour as the only clue (b) big touch targets (c) sudden loud sounds (d) fast-flashing lights
19. 19.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
20. 20.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
21. 21.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
22. 22.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
23. 23.True or false: icons with no meaning is poor button design. (a) False (b) True
24. 24.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
25. 25.🌗 Is dark blue on white easy or hard to read on a button? (a) hard to read (b) easy to read
26. 26.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 40 px tall. How many px taller must it be?
27. 27.✏️ A box with a cross in a wireframe usually means ___. (a) an error (b) delete this (c) a closed app (d) a picture goes here
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 21 px
    Footer: 13 px
    Hint: 25 px
    Menu: 23 px (a) Footer (b) Menu (c) Title (d) Hint
29. 29.True or false: notes to read offline fits saving on the phone. (a) False (b) True
30. 30.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ top bar ]
    [ search box ]
    [ filter buttons ]
    [ Add button ]
    [ big picture ] (a) big picture (b) top bar (c) search box (d) filter buttons
31. 31.True or false: how easy sign-up is is about UX (the experience). (a) False (b) True
32. 32.🔢 In a quiz-app flow, which comes LAST? (a) tap “Start quiz” (b) read a question (c) see the final score (d) see if it is right
33. 33.True or false: a shared to-do list fits saving in the cloud. (a) True (b) False
34. 34.🔢 In a sign-up flow, which comes LAST? (a) type name and email (b) make a password (c) enter the code sent (d) see the home screen
35. 35.Which of these fits saving in the cloud? (a) the sound on/off setting (b) your last game level (c) notes to read offline (d) chat messages to friends
36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 20 px
    Menu: 9 px
    Body text: 24 px
    Footer: 27 px (a) Body text (b) Menu (c) Footer (d) Title
38. 38.🔢 In a photo-post flow, what comes right after “write a caption”? (a) open the camera screen (b) post the photo (c) add a filter (d) take the photo
39. 39.Which of these fits saving in the cloud? (a) photos on two devices (b) the sound on/off setting (c) a draft you are typing (d) notes to read offline
40. 40.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Offers → Item → Size → Shop
    Design B: Home → Confirm → Pens → Results → Offers → Pay → Item (a) Design B (b) Design A

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