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.🎨 Who should you test the UX with? (a) real users (b) only yourself (c) the app icon (d) nobody
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2.🖼️ In this wireframe (top to bottom), what is right below the search box?
[ search box ]
[ big picture ]
[ filter buttons ]
[ Save button ]
[ title text ] (a) big picture (b) filter buttons (c) title text (d) Save button - 3.🔢 In a sign-up flow, which comes first: “enter the code sent” or “tap “Sign up””? (a) enter the code sent (b) tap “Sign up”
- 4.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
- 5.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) icons with no labels (d) text that can grow
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6.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Size → Menu → Address
Design B: Home → Results → Search → Cart → Offers → Item → Confirm - 7.🎨 Is this about UI or UX: the theme colours? (a) UI (b) UX
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8.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
Design A: Home → Results → Pay → Cart → Search → Size
Design B: Home → Menu → Pay - 9.True or false: the sound on/off setting fits saving on the phone. (a) False (b) True
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10.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
Back button: 32 px tall
Send button: 56 px tall
Next button: 68 px tall (a) Send (b) Back (c) Next - 11.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
- 12.🔢 In a sign-up flow, which comes first: “type name and email” or “make a password”? (a) make a password (b) type name and email
- 13.🔢 In a food-order flow, which comes first: “pay for the order” or “pick a dish”? (a) pick a dish (b) pay for the order
- 14.True or false: buttons almost touching is poor button design. (a) False (b) True
- 15.🔢 In a photo-post flow, which comes first: “open the camera screen” or “take the photo”? (a) open the camera screen (b) take the photo
- 16.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) on the phone (b) in the cloud
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17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Score card”
2. open “Edit photo”
3. open “Match report”
4. open “Edit photo”
5. tap Back
Which screen are you on now? (a) Feed (b) Edit photo (c) Score card (d) Match report - 18.🔀 What is a user flow? (a) a charging cable (b) a colour theme (c) the path through screens (d) a type of font
- 19.🔢 In a sign-up flow, what comes right after “tap “Sign up””? (a) make a password (b) enter the code sent (c) open the app (d) type name and email
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20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Video”
2. tap the Profile tab
3. open “Match report”
4. open “Score card”
5. tap Back
How many times must you tap Back to reach the main screen of this tab? -
21.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
Cancel button: 48 px tall
Help button: 48 px tall
Back button: 28 px tall (a) Back (b) Help (c) Cancel - 22.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
- 23.Which of these is true of a tab bar? (a) undoes one move (b) hides extra links (c) switches main sections (d) goes to the last screen
- 24.🔢 In a quiz-app flow, which comes FIRST? (a) pick an answer (b) tap “Start quiz” (c) see the final score (d) read a question
- 25.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
- 26.Which of these is about UI (the look)? (a) the icon shapes (b) how easy sign-up is (c) how users feel after (d) how many taps it takes
- 27.Which of these is true of a final design? (a) shows the real fonts (b) shows where things go (c) is a quick sketch (d) uses plain grey boxes
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28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Caption: 15 px
Title: 16 px
Label: 15 px
Body text: 21 px - 29.🎨 Is this about UI or UX: the icon shapes? (a) UI (b) UX
- 30.True or false: a final design is a quick sketch. (a) False (b) True
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31.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Pay → Cart → Search → Address → Item
Design B: Home → Size → Results - 32.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a wireframe (b) a final design
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33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. tap the Search tab
2. open “Help page”
3. open “Help page”
4. open “Edit photo”
Which screen are you on now? (a) Search (b) Home (c) Edit photo (d) Help page - 34.True or false: a final design has the real colours. (a) False (b) True
- 35.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) takes photos (d) makes text tiny
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36.🖼️ In this wireframe (top to bottom), what is right below the list of items?
[ list of items ]
[ Add button ]
[ top bar ]
[ tab bar ]
[ big picture ] (a) tab bar (b) top bar (c) big picture (d) Add button - 37.💾 Where should the app save a draft you are typing: on the phone or in the cloud? (a) in the cloud (b) on the phone
- 38.💾 Where should the app save chat messages to friends: on the phone or in the cloud? (a) in the cloud (b) on the phone
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39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. tap the Home tab
2. tap the Home tab
3. tap the Home tab
4. open “Badges”
Which screen are you on now? (a) Profile (b) Badges (c) Search (d) Home - 40.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
Answer key
- real users
- big picture
- tap “Sign up”
- True
- text that can grow
- 3
- UI
- 2
- True
- Back
- False
- type name and email
- pick a dish
- True
- open the camera screen
- in the cloud
- Match report
- the path through screens
- type name and email
- 1
- Back
- 10
- switches main sections
- tap “Start quiz”
- the back button
- the icon shapes
- shows the real fonts
- 2
- UI
- False
- 3
- a final design
- Edit photo
- True
- reads the screen aloud
- Add button
- on the phone
- in the cloud
- Badges
- a tab bar
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students