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 Feed, Chat, Settings. You start on Feed, then:
1. tap the Chat tab
2. open “Edit photo”
3. open “Friend list”
4. open “Edit photo”
5. tap the Settings tab
Which screen are you on now? (a) Settings (b) Friend list (c) Feed (d) Edit photo - 2.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) sudden loud sounds (d) text that can grow
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3.🖼️ In this wireframe (top to bottom), what is right below the title text?
[ title text ]
[ list of items ]
[ filter buttons ]
[ menu icon ] (a) filter buttons (b) menu icon (c) list of items - 4.🔍 Which is the odd one out? (a) the screen layout (b) the theme colours (c) the icon shapes (d) how many taps it takes
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5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Match report”
2. tap Back
3. open “Score card”
4. open “Score card”
Which screen are you on now? (a) Search (b) Home (c) Match report (d) Score card - 6.🔘 Our rule: buttons are at least 48 px tall. The Back button is 36 px tall. How many px taller must it be?
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7.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Offers → Cart → Search → Shop
Design B: Home → Pens → Size → Shop → Offers → Results -
8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. tap the Profile tab
2. open “Badges”
3. tap Back
How many times must you tap Back to reach the main screen of this tab? -
9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. tap the Settings tab
2. open “Edit photo”
3. open “Badges”
4. open “Friend list”
How many times must you tap Back to reach the main screen of this tab? -
10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. tap the Feed tab
2. open “Edit photo”
3. tap Back
4. open “Map”
5. open “Edit photo”
Which screen are you on now? (a) Feed (b) Edit photo (c) Chat (d) Map - 11.Which of these fits saving in the cloud? (a) photos on two devices (b) a draft you are typing (c) your last game level (d) notes to read offline
- 12.🔢 In a photo-post flow, which comes FIRST? (a) add a filter (b) post the photo (c) take the photo (d) open the camera screen
- 13.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
- 14.🔀 What is a user flow? (a) a type of font (b) a charging cable (c) the path through screens (d) a colour theme
- 15.Which of these fits saving in the cloud? (a) your last game level (b) notes to read offline (c) the sound on/off setting (d) a class leaderboard
- 16.🔀 Why plan the user flow before building? (a) so each step is clear (b) to add more taps (c) to skip testing (d) to hide the buttons
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17.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ search box ]
[ filter buttons ]
[ top bar ]
[ Add button ] (a) filter buttons (b) search box (c) Add button (d) top bar - 18.Which of these is true of a wireframe? (a) has the real colours (b) uses the final pictures (c) looks like the real app (d) uses plain grey boxes
- 19.✏️ Why draw a wireframe before coding? (a) it adds colours (b) it saves data (c) changes are quick (d) it runs the app
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20.🖼️ How many parts (boxes) does this wireframe have?
[ title text ]
[ Add button ]
[ tab bar ]
[ filter buttons ] - 21.🔘 Our rule: buttons are at least 48 px tall. The Start button is 40 px tall. How many px taller must it be?
- 22.🎨 Is this about UI or UX: how easy sign-up is? (a) UI (b) UX
- 23.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
- 24.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to look busy (c) to hide the menu (d) to use more battery
- 25.✏️ A box with a cross in a wireframe usually means ___. (a) a closed app (b) an error (c) delete this (d) a picture goes here
- 26.🔘 Is this good or poor button design: grey text on grey? (a) good design (b) poor design
- 27.True or false: grey text on grey is poor button design. (a) False (b) True
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28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Friend list”
2. open “Score card”
3. tap the Settings tab
4. open “Friend list”
Which screen are you on now? (a) Score card (b) Chat (c) Feed (d) Friend list - 29.Which of these is about UI (the look)? (a) how easy sign-up is (b) how many taps it takes (c) whether users get lost (d) the theme colours
- 30.🔘 Is this good or poor button design: a clear word like Save? (a) good design (b) poor design
- 31.🔢 In a food-order flow, which comes LAST? (a) pick a dish (b) track the order (c) check the cart (d) open the menu
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32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Footer: 25 px
Title: 14 px
Label: 17 px (a) Title (b) Label (c) Footer -
33.💾 What number does this code show?
let songs = ["Ocean", "Stars", "Sunrise"];
songs.push("Rain");
show(songs.length); -
34.🖼️ How many parts (boxes) does this wireframe have?
[ title text ]
[ list of items ]
[ big picture ]
[ Save button ]
[ top bar ]
[ Add button ] - 35.Which of these makes the app harder to use? (a) captions on videos (b) sudden loud sounds (c) strong colour contrast (d) text that can grow
- 36.✏️ What is a wireframe? (a) a type of password (b) a simple screen sketch (c) the finished app (d) a charging cable
- 37.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
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38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Match report”
2. tap Back
3. open “Score card”
4. tap the Lessons tab
5. open “Score card”
How many times must you tap Back to reach the main screen of this tab? -
39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Menu: 16 px
Title: 11 px
Hint: 26 px
Footer: 25 px (a) Footer (b) Menu (c) Hint (d) Title - 40.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a wireframe (b) a final design
Answer key
- Settings
- text that can grow
- list of items
- how many taps it takes
- Score card
- 12
- 4
- 0
- 3
- Edit photo
- photos on two devices
- open the camera screen
- True
- the path through screens
- a class leaderboard
- so each step is clear
- Add button
- uses plain grey boxes
- changes are quick
- 4
- 8
- UX
- a tab bar
- so users do not get lost
- a picture goes here
- poor design
- True
- Friend list
- the theme colours
- good design
- track the order
- Title
- 4
- 6
- sudden loud sounds
- a simple screen sketch
- helps everyone
- 1
- Title
- a final design
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students