App Dev Worksheet: Part 2 Test
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.
NameDateTime takenScore ___ / 40
- 1.🎨 Is this about UI or UX: the theme colours? (a) UX (b) UI
- 2.Which of these is about UI (the look)? (a) how users feel after (b) how easy sign-up is (c) how fast a task is done (d) the icon shapes
- 3.🔘 Our rule: buttons are at least 48 px tall. The Back button is 44 px tall. How many px taller must it be?
- 4.🔍 Which is the odd one out? (a) the screen layout (b) the icon shapes (c) the button colours (d) how many taps it takes
- 5.🔢 In a food-order flow, what comes right after “add it to the cart”? (a) open the menu (b) check the cart (c) pick a dish (d) track the order
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6.🖼️ In this wireframe (top to bottom), what is right above the filter buttons?
[ title text ]
[ list of items ]
[ filter buttons ]
[ big picture ]
[ menu icon ]
[ Add button ] (a) big picture (b) Add button (c) title text (d) list of items - 7.🔀 Why plan the user flow before building? (a) so each step is clear (b) to skip testing (c) to hide the buttons (d) to add more taps
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8.🖼️ In this wireframe (top to bottom), what is right above the search box?
[ menu icon ]
[ filter buttons ]
[ list of items ]
[ search box ]
[ big picture ]
[ Add button ] (a) list of items (b) menu icon (c) big picture (d) Add button - 9.🔀 A screen with no way forward or back is called a ___. (a) dead end (b) home screen (c) tab bar (d) shortcut
- 10.🔍 Which is the odd one out? (a) how users feel after (b) the button colours (c) how easy sign-up is (d) how many taps it takes
- 11.🔢 In a photo-post flow, what comes right after “add a filter”? (a) take the photo (b) write a caption (c) post the photo (d) open the camera screen
- 12.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) fast-flashing lights (d) colour as the only clue
- 13.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
- 14.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 20 px tall. How many px taller must it be?
- 15.Which of these helps everyone use the app? (a) big touch targets (b) icons with no labels (c) fast-flashing lights (d) tiny tap areas
- 16.True or false: chat messages to friends fits saving on the phone. (a) True (b) False
-
17.🖼️ How many parts (boxes) does this wireframe have?
[ title text ]
[ search box ]
[ top bar ]
[ Add button ] - 18.True or false: grey text on grey is poor button design. (a) False (b) True
- 19.🧭 Why should every screen show where you are? (a) to hide the menu (b) to use more battery (c) so users do not get lost (d) to look busy
- 20.✏️ Is this true of a wireframe or of a final design: looks like the real app? (a) a final design (b) a wireframe
- 21.True or false: a final design has the real colours. (a) True (b) False
- 22.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) strong colour contrast (d) fast-flashing lights
- 23.Which of these is true of a wireframe? (a) shows the real fonts (b) uses plain grey boxes (c) uses the final pictures (d) has the real colours
-
24.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Cart → Search → Confirm → Pens → Results
Design B: Home → Results → Cart → Size → Menu (a) Design B (b) Design A - 25.🔢 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
-
26.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ filter buttons ]
[ list of items ]
[ top bar ]
[ big picture ] (a) big picture (b) filter buttons (c) list of items (d) top bar - 27.Which of these is about UX (the experience)? (a) the icon shapes (b) how many taps it takes (c) the font size (d) the button colours
- 28.Which of these is true of the back button? (a) switches main sections (b) sits at the bottom (c) hides extra links (d) undoes one move
- 29.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) colour as the only clue (d) labels on every icon
-
30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Video”
2. tap the Quiz tab
3. tap the Lessons tab
Which screen are you on now? (a) Video (b) Me (c) Quiz (d) Lessons -
31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Badges”
2. open “Match report”
3. open “Help page”
4. tap the Profile tab
5. tap the Search tab
Which screen are you on now? (a) Badges (b) Help page (c) Search (d) Match report - 32.Which of these is about UX (the experience)? (a) the theme colours (b) the font size (c) the screen layout (d) how fast a task is done
- 33.🔢 In a photo-post flow, what comes right after “take the photo”? (a) write a caption (b) add a filter (c) open the camera screen (d) post the photo
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34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. tap the Feed tab
2. open “Video”
3. open “Friend list”
4. tap the Feed tab
5. tap the Chat tab
How many times must you tap Back to reach the main screen of this tab? - 35.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
- 36.True or false: buttons almost touching is poor button design. (a) True (b) False
- 37.🎨 Is this about UI or UX: the font size? (a) UX (b) UI
- 38.Which of these is about UI (the look)? (a) the theme colours (b) how users feel after (c) whether users get lost (d) how easy sign-up is
-
39.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ filter buttons ]
[ top bar ]
[ Save button ]
[ menu icon ] (a) top bar (b) Save button (c) filter buttons (d) menu icon - 40.Which of these fits saving in the cloud? (a) a shared to-do list (b) a draft you are typing (c) the sound on/off setting (d) your last game level
Answer key
- UI
- the icon shapes
- 4
- how many taps it takes
- check the cart
- list of items
- so each step is clear
- list of items
- dead end
- the button colours
- write a caption
- text that can grow
- True
- 28
- big touch targets
- False
- 4
- True
- so users do not get lost
- a final design
- True
- strong colour contrast
- uses plain grey boxes
- Design B
- open the camera screen
- big picture
- how many taps it takes
- undoes one move
- labels on every icon
- Lessons
- Search
- how fast a task is done
- add a filter
- 0
- False
- True
- UI
- the theme colours
- menu icon
- a shared to-do list
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students