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.True or false: notes to read offline fits saving on the phone. (a) True (b) False
- 2.🔀 Why plan the user flow before building? (a) to add more taps (b) so each step is clear (c) to hide the buttons (d) to skip testing
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3.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Confirm → Size
Design B: Home → Results → Pens → Cart → Pay → Menu -
4.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
Design A: Home → Pens → Shop → Item
Design B: Home → Results → Pens → Search → Shop - 5.🌗 Is pale pink on white easy or hard to read on a button? (a) hard to read (b) easy to read
- 6.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
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7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Score card”
2. tap the Lessons tab
3. open “Edit photo”
How many times must you tap Back to reach the main screen of this tab? - 8.✏️ What is the easiest way to draw a first wireframe? (a) a phone case (b) pencil and paper (c) a 3D printer (d) a microphone
- 9.Which of these is true of a menu button? (a) sits at the bottom (b) undoes one move (c) hides extra links (d) shows 3 to 5 icons
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10.🖼️ In this wireframe (top to bottom), what is right below the filter buttons?
[ Save button ]
[ title text ]
[ filter buttons ]
[ tab bar ] (a) tab bar (b) title text (c) Save button -
11.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
Next button: 60 px tall
Send button: 48 px tall
Done button: 44 px tall
Cancel button: 52 px tall - 12.Which of these fits saving in the cloud? (a) a class leaderboard (b) notes to read offline (c) your last game level (d) the sound on/off setting
- 13.True or false: a final design uses plain grey boxes. (a) False (b) True
- 14.🔢 In a photo-post flow, which comes first: “take the photo” or “open the camera screen”? (a) open the camera screen (b) take the photo
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15.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
Next button: 56 px tall
Cancel button: 52 px tall
Save button: 44 px tall - 16.Which of these makes the app harder to use? (a) labels on every icon (b) captions on videos (c) tiny tap areas (d) strong colour contrast
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17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Score card”
2. tap the Profile tab
3. open “Map”
4. tap the Profile tab
Which screen are you on now? (a) Home (b) Profile (c) Score card (d) Map - 18.Which of these is true of a final design? (a) is a quick sketch (b) uses plain grey boxes (c) uses the final pictures (d) shows where things go
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19.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
Help button: 28 px tall
Save button: 60 px tall
Cancel button: 52 px tall
Done button: 48 px tall (a) Cancel (b) Save (c) Help (d) Done -
20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Map”
2. open “Match report”
3. tap the Home tab
How many times must you tap Back to reach the main screen of this tab? - 21.True or false: chat messages to friends fits saving in the cloud. (a) True (b) False
- 22.Which of these fits saving on the phone? (a) a shared to-do list (b) a class leaderboard (c) photos on two devices (d) the sound on/off setting
- 23.🔢 In a photo-post flow, which comes first: “open the camera screen” or “post the photo”? (a) post the photo (b) open the camera screen
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24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Badges”
2. tap the Chat tab
3. open “Map”
4. tap the Settings tab
How many times must you tap Back to reach the main screen of this tab? -
25.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Cart → Size
Design B: Home → Menu → Size → Search - 26.🔢 In a photo-post flow, what comes right after “add a filter”? (a) take the photo (b) open the camera screen (c) write a caption (d) post the photo
- 27.🔢 In a photo-post flow, which comes first: “open the camera screen” or “add a filter”? (a) add a filter (b) open the camera screen
- 28.🎨 UI stands for user ___. (a) input (b) interface (c) idea (d) internet
- 29.🔢 In a sign-up flow, what comes right after “type name and email”? (a) tap “Sign up” (b) open the app (c) make a password (d) enter the code sent
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30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. tap the Home tab
2. open “Score card”
3. tap the Home tab
4. open “Match report”
How many times must you tap Back to reach the main screen of this tab? - 31.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) takes photos (d) reads the screen aloud
- 32.Which of these is about UI (the look)? (a) the button colours (b) how users feel after (c) how many taps it takes (d) whether users get lost
- 33.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
- 34.🔢 In a food-order flow, what comes right after “pay for the order”? (a) add it to the cart (b) pick a dish (c) track the order (d) check the cart
- 35.🔀 A screen with no way forward or back is called a ___. (a) shortcut (b) dead end (c) home screen (d) tab bar
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36.🖼️ In this wireframe (top to bottom), what is right below the list of items?
[ list of items ]
[ search box ]
[ big picture ]
[ menu icon ]
[ tab bar ]
[ filter buttons ] (a) menu icon (b) big picture (c) tab bar (d) search box -
37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. tap the Settings tab
2. tap the Settings tab
3. open “Video”
How many times must you tap Back to reach the main screen of this tab? - 38.🔢 In a quiz-app flow, what comes right after “tap “Start quiz””? (a) pick an answer (b) see if it is right (c) see the final score (d) read a question
- 39.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a final design (b) a wireframe
- 40.🔢 In a food-order flow, which comes LAST? (a) add it to the cart (b) check the cart (c) track the order (d) pick a dish
Answer key
- True
- so each step is clear
- 3
- 4
- hard to read
- a tab bar
- 1
- pencil and paper
- hides extra links
- tab bar
- 3
- a class leaderboard
- False
- open the camera screen
- 2
- tiny tap areas
- Profile
- uses the final pictures
- Help
- 0
- True
- the sound on/off setting
- open the camera screen
- 0
- 1
- write a caption
- open the camera screen
- interface
- make a password
- 1
- reads the screen aloud
- the button colours
- makes it harder
- track the order
- dead end
- search box
- 1
- read a question
- a final design
- track the order
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students