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.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
Send button: 48 px tall
Save button: 40 px tall
Done button: 48 px tall (a) Send (b) Done (c) Save -
2.🖼️ How many parts (boxes) does this wireframe have?
[ search box ]
[ list of items ]
[ Save button ]
[ top bar ]
[ big picture ]
[ menu icon ] - 3.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) strong colour contrast (d) sudden loud sounds
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4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Help page”
2. open “Badges”
3. open “Badges”
4. tap Back
Which screen are you on now? (a) Home (b) Help page (c) Badges (d) Search -
5.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
Done button: 40 px tall
Help button: 60 px tall
Cancel button: 32 px tall
Send button: 40 px tall - 6.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
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7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Friend list”
2. open “Help page”
3. tap the Lessons tab
Which screen are you on now? (a) Friend list (b) Lessons (c) Help page (d) Quiz - 8.🔢 In a photo-post flow, which comes first: “take the photo” or “post the photo”? (a) post the photo (b) take the photo
- 9.💾 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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10.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Pens → Address
Design B: Home → Address → Pens → Pay → Size → Cart → Search (a) Design A (b) Design B - 11.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
- 12.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) in the cloud (b) on the phone
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13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Body text: 17 px
Label: 18 px
Title: 12 px
Hint: 14 px
Menu: 17 px - 14.🔢 In a sign-up flow, what comes right after “make a password”? (a) enter the code sent (b) see the home screen (c) tap “Sign up” (d) open the app
- 15.🔘 Is this good or poor button design: strong colour contrast? (a) poor design (b) good design
- 16.🎨 Is this about UI or UX: the font size? (a) UX (b) UI
- 17.🔘 Is this good or poor button design: a big, easy tap area? (a) poor design (b) good design
- 18.Which of these is true of a menu button? (a) switches main sections (b) goes to the last screen (c) shows 3 to 5 icons (d) hides extra links
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19.🖼️ How many parts (boxes) does this wireframe have?
[ top bar ]
[ tab bar ]
[ list of items ]
[ Save button ] - 20.🎨 UX stands for user ___. (a) example (b) express (c) experience (d) extra
- 21.🌗 Is light grey on white easy or hard to read on a button? (a) hard to read (b) easy to read
- 22.Which of these makes the app harder to use? (a) strong colour contrast (b) colour as the only clue (c) captions on videos (d) labels on every icon
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23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. tap the Quiz tab
2. tap the Me tab
3. open “Match report”
4. open “Help page”
5. open “Map”
Which screen are you on now? (a) Help page (b) Match report (c) Lessons (d) Map - 24.💾 Data saved only on the phone is lost when ___. (a) the app is closed (b) you send a message (c) the screen turns off (d) the phone is lost
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25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Hint: 11 px
Menu: 21 px
Body text: 14 px
Label: 16 px - 26.Which of these fits saving in the cloud? (a) your last game level (b) notes to read offline (c) a draft you are typing (d) chat messages to friends
- 27.🎨 Is this about UI or UX: how fast a task is done? (a) UI (b) UX
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28.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
Design A: Home → Address → Size → Offers → Cart → Item
Design B: Home → Pens → Cart → Item → Size - 29.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
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30.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Address → Results
Design B: Home → Cart → Item → Pay → Size → Pens → Results - 31.True or false: a draft you are typing fits saving in the cloud. (a) True (b) False
- 32.Which of these is about UX (the experience)? (a) how easy sign-up is (b) the button colours (c) the theme colours (d) the font size
- 33.🔢 In a sign-up flow, which comes first: “type name and email” or “open the app”? (a) open the app (b) type name and email
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34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Edit photo”
2. tap the Feed tab
3. open “Match report”
4. tap the Chat tab
5. open “Match report”
How many times must you tap Back to reach the main screen of this tab? - 35.🔘 Our rule: buttons are at least 48 px tall. The Help button is 28 px tall. How many px taller must it be?
- 36.True or false: how many taps it takes is about UI (the look). (a) False (b) True
- 37.🎨 Is this about UI or UX: the theme colours? (a) UI (b) UX
- 38.Which colour pair is hard to read? (a) white on black (b) red on green (c) white on dark green (d) dark blue on white
- 39.🔢 In a photo-post flow, which comes first: “add a filter” or “take the photo”? (a) take the photo (b) add a filter
- 40.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) switches main sections (c) opens a list of pages (d) sits at the bottom
Answer key
- Save
- 6
- strong colour contrast
- Badges
- 1
- a final design
- Lessons
- take the photo
- in the cloud
- Design A
- False
- on the phone
- 2
- enter the code sent
- good design
- UI
- good design
- hides extra links
- 4
- experience
- hard to read
- colour as the only clue
- Map
- the phone is lost
- 2
- chat messages to friends
- UX
- 4
- False
- 4
- False
- how easy sign-up is
- open the app
- 1
- 20
- False
- UI
- red on green
- take the photo
- opens a list of pages
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students