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.💾 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
- 2.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
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3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Edit photo”
2. tap the Quiz tab
3. open “Map”
4. tap Back
5. open “Score card”
How many times must you tap Back to reach the main screen of this tab? -
4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Edit photo”
2. open “Friend list”
3. tap the Chat tab
Which screen are you on now? (a) Friend list (b) Feed (c) Chat (d) Edit photo -
5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Help page”
2. tap Back
3. tap the Quiz tab
4. open “Score card”
Which screen are you on now? (a) Lessons (b) Help page (c) Quiz (d) Score card - 6.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
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7.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
Back button: 32 px tall
Send button: 44 px tall
Save button: 52 px tall - 8.Which of these is about UX (the experience)? (a) the button colours (b) how easy sign-up is (c) the icon shapes (d) the font size
- 9.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
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10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. tap the Profile tab
2. open “Score card”
3. tap the Home tab
4. open “Edit photo”
Which screen are you on now? (a) Edit photo (b) Home (c) Search (d) Score card -
11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. tap the Lessons tab
2. tap the Lessons tab
3. open “Score card”
4. open “Friend list”
5. open “Badges”
How many times must you tap Back to reach the main screen of this tab? - 12.🔢 In a quiz-app flow, which comes FIRST? (a) see if it is right (b) read a question (c) see the final score (d) tap “Start quiz”
- 13.True or false: notes to read offline fits saving on the phone. (a) False (b) True
- 14.🔢 In a sign-up flow, which comes FIRST? (a) tap “Sign up” (b) see the home screen (c) open the app (d) type name and email
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15.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
Design A: Home → Menu → Pay → Shop → Cart
Design B: Home → Results → Size → Pay -
16.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
Save button: 64 px tall
Next button: 24 px tall
Start button: 56 px tall (a) Save (b) Next (c) Start -
17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Badges”
2. tap the Feed tab
3. tap the Chat tab
4. open “Friend list”
How many times must you tap Back to reach the main screen of this tab? -
18.🖼️ In this wireframe (top to bottom), what is right below the search box?
[ search box ]
[ top bar ]
[ big picture ]
[ list of items ] (a) list of items (b) top bar (c) big picture - 19.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) icons with no labels (d) big touch targets
- 20.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
- 21.🔘 Is this good or poor button design: space between buttons? (a) good design (b) poor design
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22.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Results → Shop
Design B: Home → Size → Menu → Pens → Address → Cart (a) Design B (b) Design A - 23.♿ What does a screen reader do? (a) takes photos (b) plays music (c) makes text tiny (d) reads the screen aloud
- 24.True or false: a clear word like Save is good button design. (a) True (b) False
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25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Video”
2. tap Back
3. open “Edit photo”
4. open “Edit photo”
5. tap the Settings tab
Which screen are you on now? (a) Settings (b) Edit photo (c) Video (d) Feed - 26.Which of these is about UX (the experience)? (a) the icon shapes (b) how users feel after (c) the button colours (d) the screen layout
- 27.🔢 In a food-order flow, which comes first: “pay for the order” or “add it to the cart”? (a) pay for the order (b) add it to the cart
- 28.🔢 In a quiz-app flow, which comes first: “pick an answer” or “tap “Start quiz””? (a) pick an answer (b) tap “Start quiz”
- 29.Which of these helps everyone use the app? (a) labels on every icon (b) colour as the only clue (c) icons with no labels (d) fast-flashing lights
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30.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Offers → Results → Item → Shop → Size → Search
Design B: Home → Address → Size → Pens (a) Design A (b) Design B - 31.🎨 Is this about UI or UX: how users feel after? (a) UI (b) UX
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32.🖼️ In this wireframe (top to bottom), what is right above the filter buttons?
[ search box ]
[ Save button ]
[ big picture ]
[ tab bar ]
[ filter buttons ] (a) big picture (b) tab bar (c) Save button (d) search box - 33.🔘 Is this good or poor button design: a big, easy tap area? (a) poor design (b) good design
- 34.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
- 35.True or false: a wireframe shows the real fonts. (a) True (b) False
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36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Video”
2. tap Back
3. tap the Home tab
4. open “Edit photo”
How many times must you tap Back to reach the main screen of this tab? - 37.🔢 In a photo-post flow, what comes right after “open the camera screen”? (a) add a filter (b) write a caption (c) take the photo (d) post the photo
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38.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
Start button: 72 px tall
Send button: 72 px tall
Cancel button: 44 px tall (a) Send (b) Start (c) Cancel - 39.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
- 40.Which of these fits saving on the phone? (a) chat messages to friends (b) a draft you are typing (c) photos on two devices (d) a shared to-do list
Answer key
- on the phone
- False
- 1
- Chat
- Score card
- the back button
- 1
- how easy sign-up is
- a final design
- Edit photo
- 3
- tap “Start quiz”
- True
- open the app
- 3
- Next
- 1
- top bar
- icons with no labels
- makes it harder
- good design
- Design A
- reads the screen aloud
- True
- Settings
- how users feel after
- add it to the cart
- tap “Start quiz”
- labels on every icon
- Design B
- UX
- tab bar
- good design
- a menu button
- False
- 1
- take the photo
- Cancel
- 10
- a draft you are typing
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students