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.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Pens → Size → Item
Design B: Home → Pay → Confirm → Size → Shop -
2.🖼️ In this wireframe (top to bottom), what is right below the search box?
[ big picture ]
[ list of items ]
[ title text ]
[ top bar ]
[ search box ]
[ Add button ] (a) list of items (b) title text (c) Add button (d) top bar -
3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Map”
2. tap the Settings tab
3. open “Help page”
4. open “Friend list”
5. open “Score card”
Which screen are you on now? (a) Map (b) Friend list (c) Help page (d) Score card - 4.Which colour pair is hard to read? (a) white on dark green (b) black on pale grey (c) dark blue on black (d) dark blue on white
- 5.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the server (c) colour-blind users (d) the battery
- 6.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
- 7.🔢 In a sign-up flow, which comes LAST? (a) tap “Sign up” (b) open the app (c) see the home screen (d) make a password
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8.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Size → Item → Pay → Cart → Confirm → Shop
Design B: Home → Search → Size → Confirm -
9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Map”
2. open “Edit photo”
3. tap the Home tab
4. tap the Search tab
Which screen are you on now? (a) Map (b) Edit photo (c) Search (d) Home - 10.🔍 Which is the odd one out? (a) the font size (b) the button colours (c) whether users get lost (d) the theme colours
- 11.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) goes to the last screen (d) closes all apps
- 12.🔍 Which is the odd one out? (a) icons with no labels (b) labels on every icon (c) colour as the only clue (d) tiny tap areas
- 13.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
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14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Label: 16 px
Caption: 13 px
Title: 21 px
Body text: 18 px
Footer: 14 px - 15.🎨 Who should you test the UX with? (a) the app icon (b) real users (c) only yourself (d) nobody
- 16.🔢 In a sign-up flow, which comes first: “see the home screen” or “make a password”? (a) make a password (b) see the home screen
- 17.🔢 In a food-order flow, which comes first: “pick a dish” or “pay for the order”? (a) pick a dish (b) pay for the order
- 18.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
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19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Help page”
2. open “Video”
3. tap Back
4. open “Friend list”
5. tap Back
Which screen are you on now? (a) Video (b) Friend list (c) Lessons (d) Help page - 20.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
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21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Body text: 17 px
Caption: 26 px
Label: 14 px
Title: 22 px
Hint: 16 px (a) Title (b) Body text (c) Caption (d) Label - 22.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a wireframe (b) a final design
- 23.Which of these fits saving in the cloud? (a) a draft you are typing (b) the sound on/off setting (c) notes to read offline (d) a class leaderboard
- 24.🔢 In a quiz-app flow, which comes first: “see the final score” or “see if it is right”? (a) see the final score (b) see if it is right
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25.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Offers → Cart → Search
Design B: Home → Cart → Menu → Offers → Search - 26.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
- 27.True or false: a final design has no real colours. (a) False (b) True
- 28.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a wireframe (b) a final design
- 29.🎨 A beautiful app that confuses everyone has ___. (a) good UI but poor UX (b) perfect UX (c) no UI at all (d) good UX but poor UI
- 30.True or false: a clear word like Save is poor button design. (a) True (b) False
- 31.🔍 Which is the odd one out? (a) the theme colours (b) how fast a task is done (c) the font size (d) the button colours
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32.🖼️ In this wireframe (top to bottom), what is right above the big picture?
[ filter buttons ]
[ menu icon ]
[ Add button ]
[ title text ]
[ big picture ] (a) title text (b) menu icon (c) Add button (d) filter buttons - 33.True or false: a wireframe has the real colours. (a) False (b) True
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34.🖼️ In this wireframe (top to bottom), what is right below the list of items?
[ tab bar ]
[ menu icon ]
[ list of items ]
[ title text ]
[ Add button ]
[ top bar ] (a) menu icon (b) Add button (c) title text (d) top bar -
35.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Confirm → Results → Search
Design B: Home → Cart → Confirm -
36.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ title text ]
[ Save button ]
[ tab bar ]
[ search box ] (a) search box (b) Save button (c) tab bar (d) title text - 37.Which of these is true of a wireframe? (a) has the real colours (b) is a quick sketch (c) uses the final pictures (d) shows the real fonts
- 38.✏️ Why draw a wireframe before coding? (a) it runs the app (b) changes are quick (c) it saves data (d) it adds colours
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39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. tap the Lessons tab
2. tap the Me tab
3. tap the Me tab
Which screen are you on now? (a) Me (b) Lessons (c) Quiz - 40.💾 Where should the app save your last game level: on the phone or in the cloud? (a) in the cloud (b) on the phone
Answer key
- 3
- Add button
- Score card
- dark blue on black
- colour-blind users
- 6
- see the home screen
- 3
- Search
- whether users get lost
- goes to the last screen
- labels on every icon
- No
- 2
- real users
- make a password
- pick a dish
- 5
- Help page
- True
- Label
- a final design
- a class leaderboard
- see if it is right
- 1
- False
- False
- a final design
- good UI but poor UX
- False
- how fast a task is done
- title text
- False
- title text
- 3
- search box
- is a quick sketch
- changes are quick
- Me
- on the phone
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students