App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 821 · 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.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a wireframe (b) a final design
2. 2.✏️ Why draw a wireframe before coding? (a) it saves data (b) it runs the app (c) changes are quick (d) it adds colours
3. 3.🔢 In a sign-up flow, what comes right after “open the app”? (a) enter the code sent (b) tap “Sign up” (c) type name and email (d) see the home screen
4. 4.Which of these is true of a wireframe? (a) uses the final pictures (b) looks like the real app (c) shows the real fonts (d) shows where things go
5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Map”
   2. tap Back
   3. open “Score card”
   Which screen are you on now? (a) Search (b) Map (c) Home (d) Score card
6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Search tab
   2. tap the Search tab
   3. open “Edit photo”
   4. open “Badges”
   5. open “Help page”
   Which screen are you on now? (a) Badges (b) Home (c) Help page (d) Edit photo
7. 7.🔢 In a sign-up flow, what comes right after “type name and email”? (a) tap “Sign up” (b) make a password (c) open the app (d) enter the code sent
8. 8.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
9. 9.💾 What does this code show? (Positions start at 0.)
   let notes = ["Maths", "Art", "Music", "Hindi"];
   show(notes[1]); (a) Music (b) Maths (c) Art (d) Hindi
10. 10.🔢 In a quiz-app flow, what comes right after “tap “Start quiz””? (a) pick an answer (b) see the final score (c) read a question (d) see if it is right
11. 11.🔘 Is this good or poor button design: a tiny 20 px button? (a) poor design (b) good design
12. 12.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) inside a button (c) nowhere (d) in the middle
13. 13.Which of these is true of a menu button? (a) sits at the bottom (b) opens a list of pages (c) undoes one move (d) goes to the last screen
14. 14.🔢 In a photo-post flow, what comes right after “open the camera screen”? (a) add a filter (b) take the photo (c) write a caption (d) post the photo
15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
16. 16.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
17. 17.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Start button: 56 px tall
    Back button: 60 px tall
    Done button: 28 px tall
    Send button: 52 px tall (a) Start (b) Send (c) Back (d) Done
18. 18.🔢 In a quiz-app flow, which comes FIRST? (a) read a question (b) tap “Start quiz” (c) see the final score (d) pick an answer
19. 19.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
20. 20.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Done button: 72 px tall
    Start button: 36 px tall
    Save button: 48 px tall (a) Start (b) Done (c) Save
21. 21.🔢 In a photo-post flow, which comes FIRST? (a) take the photo (b) add a filter (c) write a caption (d) open the camera screen
22. 22.🔢 In a photo-post flow, which comes LAST? (a) take the photo (b) open the camera screen (c) post the photo (d) write a caption
23. 23.💾 Where should the app save a shared to-do list: on the phone or in the cloud? (a) on the phone (b) in the cloud
24. 24.✏️ What is a wireframe? (a) a charging cable (b) the finished app (c) a simple screen sketch (d) a type of password
25. 25.🎨 Is this about UI or UX: the font size? (a) UI (b) UX
26. 26.Which of these is true of a final design? (a) is a quick sketch (b) has no real colours (c) looks like the real app (d) uses plain grey boxes
27. 27.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
28. 28.Which colour pair is easy to read? (a) dark blue on black (b) red on green (c) pale pink on white (d) black on pale grey
29. 29.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Cancel button: 72 px tall
    Start button: 72 px tall
    Next button: 36 px tall
    Send button: 72 px tall (a) Start (b) Send (c) Cancel (d) Next
30. 30.True or false: the icon shapes is about UX (the experience). (a) True (b) False
31. 31.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) labels on every icon (d) icons with no labels
32. 32.Which of these fits saving on the phone? (a) chat messages to friends (b) photos on two devices (c) notes to read offline (d) a shared to-do list
33. 33.🔢 In a quiz-app flow, what comes right after “read a question”? (a) see the final score (b) tap “Start quiz” (c) see if it is right (d) pick an answer
34. 34.🖼️ In this wireframe (top to bottom), what is right above the title text?
    [ tab bar ]
    [ filter buttons ]
    [ Add button ]
    [ title text ]
    [ top bar ] (a) tab bar (b) top bar (c) filter buttons (d) Add button
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 26 px
    Caption: 24 px
    Body text: 24 px
    Title: 14 px (a) Label (b) Title (c) Caption (d) Body text
36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
37. 37.True or false: your last game level fits saving on the phone. (a) True (b) False
38. 38.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) in the cloud (b) on the phone
39. 39.Which of these fits saving on the phone? (a) photos on two devices (b) a class leaderboard (c) a shared to-do list (d) your last game level
40. 40.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “see if it is right”? (a) see if it is right (b) tap “Start quiz”

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