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.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Help page”
2. tap the Search tab
3. open “Edit photo”
How many times must you tap Back to reach the main screen of this tab? - 2.Which colour pair is hard to read? (a) pale pink on white (b) white on black (c) black on pale grey (d) black on yellow
- 3.✏️ A box with a cross in a wireframe usually means ___. (a) an error (b) a closed app (c) a picture goes here (d) delete this
- 4.True or false: whether users get lost is about UI (the look). (a) False (b) True
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5.🖼️ In this wireframe (top to bottom), what is right above the menu icon?
[ title text ]
[ list of items ]
[ Add button ]
[ menu icon ] (a) title text (b) list of items (c) Add button - 6.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
- 7.🔢 In a quiz-app flow, which comes first: “read a question” or “pick an answer”? (a) pick an answer (b) read a question
- 8.🔍 Which is the odd one out? (a) the font size (b) the screen layout (c) the icon shapes (d) how easy sign-up is
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9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. tap the Profile tab
2. open “Map”
3. tap Back
4. open “Match report”
Which screen are you on now? (a) Search (b) Match report (c) Home (d) Map -
10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Edit photo”
2. tap Back
3. open “Video”
Which screen are you on now? (a) Lessons (b) Quiz (c) Edit photo (d) Video - 11.🎨 Is this about UI or UX: the font size? (a) UX (b) UI
- 12.Which of these is true of a menu button? (a) goes to the last screen (b) shows 3 to 5 icons (c) sits at the bottom (d) hides extra links
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13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. tap the Feed tab
2. open “Friend list”
3. open “Score card”
4. tap Back
How many times must you tap Back to reach the main screen of this tab? -
14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Body text: 10 px
Menu: 20 px
Hint: 25 px (a) Hint (b) Menu (c) Body text - 15.True or false: the font size is about UX (the experience). (a) False (b) True
- 16.🔢 In a food-order flow, which comes LAST? (a) pick a dish (b) pay for the order (c) track the order (d) open the menu
- 17.🔢 In a sign-up flow, which comes FIRST? (a) see the home screen (b) enter the code sent (c) open the app (d) make a password
- 18.Which of these is true of a tab bar? (a) undoes one move (b) shows 3 to 5 icons (c) hides extra links (d) goes to the last screen
- 19.♿ What should every icon-only button have for screen readers? (a) a text label (b) a long animation (c) a sound (d) a bright colour
- 20.💾 Where should the app save a shared to-do list: on the phone or in the cloud? (a) on the phone (b) in the cloud
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21.🧭 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 Search tab
4. tap the Home tab
5. open “Score card”
How many times must you tap Back to reach the main screen of this tab? -
22.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Menu → Offers → Results → Pens → Address
Design B: Home → Pay → Offers → Pens -
23.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Menu → Pens → Address
Design B: Home → Results → Confirm → Size → Offers → Address → Cart - 24.🔢 In a food-order flow, what comes right after “open the menu”? (a) pay for the order (b) add it to the cart (c) track the order (d) pick a dish
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25.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Item → Pens → Address → Menu → Size → Cart
Design B: Home → Offers → Address → Confirm → Results → Item - 26.Which of these is about UI (the look)? (a) the button colours (b) whether users get lost (c) how fast a task is done (d) how users feel after
- 27.🎨 Is this about UI or UX: the screen layout? (a) UI (b) UX
- 28.🎨 UI stands for user ___. (a) input (b) internet (c) interface (d) idea
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29.🖼️ In this wireframe (top to bottom), what is right below the menu icon?
[ top bar ]
[ big picture ]
[ menu icon ]
[ Add button ]
[ search box ] (a) search box (b) big picture (c) top bar (d) Add button - 30.🔢 In a photo-post flow, which comes LAST? (a) write a caption (b) post the photo (c) take the photo (d) open the camera screen
- 31.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
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32.🖼️ How many parts (boxes) does this wireframe have?
[ search box ]
[ Save button ]
[ title text ]
[ filter buttons ] - 33.💾 Data saved only on the phone is lost when ___. (a) you send a message (b) the phone is lost (c) the screen turns off (d) the app is closed
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34.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
Cancel button: 32 px tall
Save button: 56 px tall
Done button: 52 px tall - 35.True or false: the sound on/off setting fits saving on the phone. (a) False (b) True
- 36.Which of these fits saving in the cloud? (a) a draft you are typing (b) the sound on/off setting (c) a shared to-do list (d) your last game level
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37.🖼️ How many parts (boxes) does this wireframe have?
[ tab bar ]
[ Add button ]
[ menu icon ]
[ Save button ]
[ search box ] - 38.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) in the cloud (b) on the phone
- 39.Which of these is true of a wireframe? (a) shows the real fonts (b) has the real colours (c) is a quick sketch (d) looks like the real app
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40.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
Save button: 68 px tall
Help button: 24 px tall
Start button: 56 px tall (a) Start (b) Help (c) Save
Answer key
- 1
- pale pink on white
- a picture goes here
- False
- Add button
- a menu button
- read a question
- how easy sign-up is
- Match report
- Video
- UI
- hides extra links
- 1
- Body text
- False
- track the order
- open the app
- shows 3 to 5 icons
- a text label
- in the cloud
- 1
- 5
- 3
- pick a dish
- 6
- the button colours
- UI
- interface
- Add button
- post the photo
- a tab bar
- 4
- the phone is lost
- 2
- True
- a shared to-do list
- 5
- in the cloud
- is a quick sketch
- Help
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students