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
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1.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Label: 17 px
Hint: 21 px
Body text: 22 px
Footer: 22 px
Menu: 23 px - 2.🎨 Is this about UI or UX: the icon shapes? (a) UX (b) UI
- 3.✏️ 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
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4.🖼️ In this wireframe (top to bottom), what is right below the search box?
[ tab bar ]
[ search box ]
[ Add button ]
[ list of items ]
[ filter buttons ] (a) Add button (b) filter buttons (c) list of items (d) tab bar - 5.Which colour pair is hard to read? (a) black on yellow (b) black on pale grey (c) white on dark green (d) yellow on white
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6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Score card”
2. open “Edit photo”
3. tap the Feed tab
4. tap the Feed tab
5. open “Match report”
How many times must you tap Back to reach the main screen of this tab? - 7.True or false: a final design has the real colours. (a) True (b) False
- 8.🔢 In a photo-post flow, what comes right after “add a filter”? (a) write a caption (b) post the photo (c) take the photo (d) open the camera screen
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9.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ Add button ]
[ search box ]
[ top bar ]
[ Save button ]
[ list of items ]
[ big picture ] (a) Add button (b) top bar (c) big picture (d) Save button -
10.🖼️ In this wireframe (top to bottom), what is right below the tab bar?
[ Save button ]
[ tab bar ]
[ title text ]
[ top bar ]
[ list of items ]
[ big picture ] (a) big picture (b) title text (c) Save button (d) list of items - 11.💾 Which works with no internet at all? (a) a cloud backup (b) data saved on the phone (c) a shared chat (d) a cloud leaderboard
- 12.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a final design (b) a wireframe
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13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Match report”
2. tap the Search tab
3. open “Friend list”
4. open “Score card”
How many times must you tap Back to reach the main screen of this tab? - 14.🔘 Is this good or poor button design: a big, easy tap area? (a) poor design (b) good design
- 15.True or false: a final design shows the real fonts. (a) True (b) False
- 16.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
- 17.🌗 Is white on black easy or hard to read on a button? (a) easy to read (b) hard to read
- 18.🔢 In a sign-up flow, which comes LAST? (a) enter the code sent (b) open the app (c) make a password (d) see the home screen
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19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Help page”
2. open “Friend list”
3. tap the Home tab
4. tap the Search tab
Which screen are you on now? (a) Friend list (b) Home (c) Search (d) Help page - 20.🔘 Is this good or poor button design: space between buttons? (a) good design (b) poor design
- 21.Which of these fits saving on the phone? (a) photos on two devices (b) a shared to-do list (c) your last game level (d) chat messages to friends
- 22.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) reads the screen aloud (d) plays music
- 23.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
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24.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Results → Cart → Pay → Shop → Search
Design B: Home → Results → Address → Shop → Pens → Cart → Confirm -
25.🖼️ How many parts (boxes) does this wireframe have?
[ title text ]
[ list of items ]
[ Save button ]
[ top bar ]
[ Add button ] - 26.Which of these helps everyone use the app? (a) text that can grow (b) colour as the only clue (c) icons with no labels (d) sudden loud sounds
- 27.Which colour pair is hard to read? (a) black on pale grey (b) dark blue on black (c) white on dark green (d) white on black
- 28.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) at the bottom (c) nowhere (d) inside a button
- 29.Which of these is true of a wireframe? (a) has the real colours (b) looks like the real app (c) uses the final pictures (d) shows where things go
- 30.🔢 In a photo-post flow, which comes FIRST? (a) open the camera screen (b) post the photo (c) add a filter (d) take the photo
- 31.🔢 In a sign-up flow, which comes first: “see the home screen” or “open the app”? (a) open the app (b) see the home screen
- 32.💾 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
- 33.🔍 Which is the odd one out? (a) icons with no labels (b) strong colour contrast (c) text that can grow (d) labels on every icon
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34.🖼️ In this wireframe (top to bottom), what is right below the search box?
[ top bar ]
[ search box ]
[ list of items ]
[ Save button ]
[ filter buttons ] (a) Save button (b) top bar (c) filter buttons (d) list of items - 35.🔍 Which is the odd one out? (a) how users feel after (b) the theme colours (c) the icon shapes (d) the screen layout
- 36.🔢 In a food-order flow, what comes right after “open the menu”? (a) add it to the cart (b) check the cart (c) pick a dish (d) track the order
- 37.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
- 38.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a final design (b) a wireframe
- 39.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
- 40.Which colour pair is easy to read? (a) yellow on white (b) dark blue on black (c) pale pink on white (d) dark blue on white
Answer key
- 0
- UI
- a picture goes here
- Add button
- yellow on white
- 1
- True
- write a caption
- big picture
- title text
- data saved on the phone
- a wireframe
- 2
- good design
- True
- 10
- easy to read
- see the home screen
- Search
- good design
- your last game level
- reads the screen aloud
- helps everyone
- 1
- 5
- text that can grow
- dark blue on black
- at the bottom
- shows where things go
- open the camera screen
- open the app
- on the phone
- icons with no labels
- list of items
- how users feel after
- pick a dish
- True
- a final design
- helps everyone
- dark blue on white
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students