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 in the cloud. (a) True (b) False
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2.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ filter buttons ]
[ menu icon ]
[ big picture ]
[ Add button ]
[ search box ]
[ top bar ] (a) search box (b) Add button (c) top bar (d) menu icon -
3.💾 What does this code show? (Positions start at 0.)
let friends = ["Riya", "Kabir", "Meera", "Aman"];
show(friends[3]); (a) Meera (b) Aman (c) Kabir (d) Riya - 4.🔀 A screen with no way forward or back is called a ___. (a) tab bar (b) home screen (c) shortcut (d) dead end
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5.🖼️ How many parts (boxes) does this wireframe have?
[ filter buttons ]
[ list of items ]
[ Save button ]
[ search box ]
[ Add button ]
[ menu icon ] -
6.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
Done button: 64 px tall
Cancel button: 32 px tall
Save button: 44 px tall - 7.🔢 In a food-order flow, which comes FIRST? (a) pick a dish (b) pay for the order (c) open the menu (d) add it to the cart
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8.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Confirm → Item
Design B: Home → Menu → Pens → Confirm → Offers → Item → Size (a) Design A (b) Design B - 9.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “read a question”? (a) tap “Start quiz” (b) read a question
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10.💾 What does this code show? (Positions start at 0.)
let songs = ["Sunrise", "Kites", "Stars"];
show(songs[0]); (a) Stars (b) Kites (c) Sunrise - 11.True or false: a clear word like Save is good button design. (a) True (b) False
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12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. tap the Me tab
2. open “Match report”
3. open “Edit photo”
4. open “Match report”
Which screen are you on now? (a) Edit photo (b) Quiz (c) Match report (d) Lessons - 13.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) white on dark green (d) pale pink on white
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14.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Pay → Results → Pens → Confirm → Shop → Address
Design B: Home → Item → Menu -
15.🖼️ In this wireframe (top to bottom), what is right below the title text?
[ menu icon ]
[ title text ]
[ search box ]
[ big picture ]
[ filter buttons ]
[ tab bar ] (a) filter buttons (b) menu icon (c) search box (d) big picture -
16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Match report”
2. tap Back
3. tap the Search tab
4. open “Friend list”
How many times must you tap Back to reach the main screen of this tab? - 17.🔢 In a food-order flow, which comes first: “add it to the cart” or “open the menu”? (a) open the menu (b) add it to the cart
- 18.🌗 Is black on pale grey easy or hard to read on a button? (a) hard to read (b) easy to read
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19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Edit photo”
2. tap Back
3. open “Badges”
4. tap the Profile tab
5. tap the Home tab
Which screen are you on now? (a) Search (b) Edit photo (c) Home (d) Badges -
20.🖼️ In this wireframe (top to bottom), what is right above the tab bar?
[ big picture ]
[ menu icon ]
[ Add button ]
[ tab bar ] (a) menu icon (b) Add button (c) big picture -
21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Match report”
2. open “Badges”
3. open “Friend list”
4. tap Back
Which screen are you on now? (a) Badges (b) Friend list (c) Match report (d) Feed - 22.True or false: strong colour contrast is poor button design. (a) True (b) False
- 23.🔍 Which is the odd one out? (a) text that can grow (b) icons with no labels (c) captions on videos (d) strong colour contrast
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24.💾 What number does this code show?
let points = 5;
points = points - 5;
points = points + 1;
show(points); - 25.🔀 What is a user flow? (a) a colour theme (b) the path through screens (c) a type of font (d) a charging cable
- 26.Which of these is true of a final design? (a) looks like the real app (b) uses plain grey boxes (c) shows where things go (d) has no real colours
- 27.Which colour pair is hard to read? (a) white on dark green (b) white on black (c) pale pink on white (d) black on pale grey
- 28.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
- 29.🎨 A beautiful app that confuses everyone has ___. (a) good UI but poor UX (b) good UX but poor UI (c) no UI at all (d) perfect UX
- 30.🔍 Which is the odd one out? (a) how fast a task is done (b) the icon shapes (c) whether users get lost (d) how users feel after
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31.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Address → Search → Results
Design B: Home → Offers → Item → Cart → Search → Confirm - 32.🎨 Is this about UI or UX: how users feel after? (a) UX (b) UI
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33.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Menu → Item → Pay → Search → Shop
Design B: Home → Pens → Shop → Item → Address -
34.🖼️ In this wireframe (top to bottom), what is right below the top bar?
[ filter buttons ]
[ list of items ]
[ top bar ]
[ tab bar ]
[ title text ] (a) title text (b) filter buttons (c) tab bar (d) list of items - 35.Which of these is about UX (the experience)? (a) the icon shapes (b) how users feel after (c) the button colours (d) the theme colours
- 36.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) to hide the menu (d) so users do not get lost
- 37.🔀 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
- 38.True or false: the screen layout is about UI (the look). (a) True (b) False
- 39.Which of these fits saving in the cloud? (a) chat messages to friends (b) your last game level (c) notes to read offline (d) a draft you are typing
- 40.True or false: the icon shapes is about UI (the look). (a) True (b) False
Answer key
- False
- top bar
- Aman
- dead end
- 6
- 1
- open the menu
- Design A
- tap “Start quiz”
- Sunrise
- True
- Match report
- white on dark green
- 4
- search box
- 1
- open the menu
- easy to read
- Home
- Add button
- Badges
- False
- icons with no labels
- 1
- the path through screens
- looks like the real app
- pale pink on white
- a final design
- good UI but poor UX
- the icon shapes
- 2
- UX
- 5
- tab bar
- how users feel after
- so users do not get lost
- so each step is clear
- True
- chat messages to friends
- True
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students