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.🔍 Which is the odd one out? (a) whether users get lost (b) the theme colours (c) how fast a task is done (d) how many taps it takes
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2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Map”
2. tap the Me tab
3. tap the Quiz tab
Which screen are you on now? (a) Lessons (b) Map (c) Me (d) Quiz - 3.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a final design (b) a wireframe
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4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Help page”
2. open “Badges”
3. open “Friend list”
4. tap the Lessons tab
How many times must you tap Back to reach the main screen of this tab? - 5.🔀 What is a user flow? (a) a charging cable (b) the path through screens (c) a type of font (d) a colour theme
- 6.🔘 Is this good or poor button design: a clear word like Save? (a) poor design (b) good design
- 7.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “open the app”? (a) open the app (b) tap “Sign up”
- 8.Which of these helps everyone use the app? (a) fast-flashing lights (b) tiny tap areas (c) text that can grow (d) sudden loud sounds
- 9.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a wireframe (b) a final design
- 10.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “see the home screen”? (a) tap “Sign up” (b) see the home screen
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11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Score card”
2. tap the Profile tab
3. open “Match report”
4. open “Match report”
How many times must you tap Back to reach the main screen of this tab? -
12.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Menu → Pay → Confirm → Pens → Shop
Design B: Home → Pens → Shop → Confirm → Size → Pay → Item - 13.True or false: a final design is a quick sketch. (a) False (b) True
- 14.🔢 In a food-order flow, which comes first: “track the order” or “open the menu”? (a) open the menu (b) track the order
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15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Video”
2. open “Map”
3. tap the Settings tab
How many times must you tap Back to reach the main screen of this tab? - 16.🔢 In a photo-post flow, which comes first: “post the photo” or “open the camera screen”? (a) post the photo (b) open the camera screen
- 17.True or false: a big, easy tap area is good button design. (a) False (b) True
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18.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ Save button ]
[ big picture ]
[ search box ]
[ tab bar ]
[ list of items ]
[ title text ] (a) search box (b) title text (c) Save button (d) tab bar - 19.🎨 UX stands for user ___. (a) extra (b) example (c) experience (d) express
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20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Edit photo”
2. open “Video”
3. tap the Feed tab
4. tap the Feed tab
How many times must you tap Back to reach the main screen of this tab? - 21.True or false: a shared to-do list fits saving on the phone. (a) False (b) True
- 22.Which of these is about UI (the look)? (a) whether users get lost (b) how easy sign-up is (c) how fast a task is done (d) the theme colours
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23.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ Add button ]
[ menu icon ]
[ big picture ]
[ search box ]
[ Save button ] (a) Save button (b) Add button (c) menu icon (d) search box - 24.💾 Saving data in the cloud lets you ___. (a) use it on any device (b) shrink the app (c) skip the internet (d) never need a password
- 25.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 44 px tall. How many px taller must it be?
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26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. tap the Chat tab
2. open “Score card”
3. open “Badges”
4. tap Back
5. open “Video”
Which screen are you on now? (a) Feed (b) Video (c) Score card (d) Badges - 27.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
- 28.🎨 Is this about UI or UX: the icon shapes? (a) UX (b) UI
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29.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
Cancel button: 56 px tall
Send button: 52 px tall
Done button: 52 px tall
Next button: 44 px tall - 30.🔀 Why plan the user flow before building? (a) to skip testing (b) so each step is clear (c) to add more taps (d) to hide the buttons
- 31.True or false: whether users get lost is about UI (the look). (a) True (b) False
- 32.True or false: grey text on grey is poor button design. (a) False (b) True
- 33.Which of these makes the app harder to use? (a) labels on every icon (b) colour as the only clue (c) big touch targets (d) strong colour contrast
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34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. tap the Profile tab
2. tap the Home tab
3. tap the Home tab
4. open “Match report”
5. tap Back
Which screen are you on now? (a) Profile (b) Search (c) Match report (d) Home - 35.🔍 Which is the odd one out? (a) how fast a task is done (b) the font size (c) the button colours (d) the screen layout
- 36.🎨 Is this about UI or UX: how fast a task is done? (a) UX (b) UI
- 37.🔢 In a quiz-app flow, what comes right after “see if it is right”? (a) tap “Start quiz” (b) pick an answer (c) see the final score (d) read a question
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38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Title: 13 px
Footer: 23 px
Label: 27 px
Menu: 23 px
Caption: 20 px (a) Menu (b) Footer (c) Title (d) Label -
39.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Pens → Cart → Confirm
Design B: Home → Pens → Cart → Confirm → Menu → Offers - 40.✏️ What is a wireframe? (a) the finished app (b) a simple screen sketch (c) a type of password (d) a charging cable
Answer key
- the theme colours
- Quiz
- a final design
- 0
- the path through screens
- good design
- open the app
- text that can grow
- a wireframe
- tap “Sign up”
- 2
- 5
- False
- open the menu
- 0
- open the camera screen
- True
- title text
- experience
- 0
- False
- the theme colours
- Save button
- use it on any device
- 4
- Video
- a final design
- UI
- 3
- so each step is clear
- False
- True
- colour as the only clue
- Home
- how fast a task is done
- UX
- see the final score
- Title
- 3
- a simple screen sketch
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students