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: text is at least 16 px. Which text on this screen is too small?
Body text: 14 px
Title: 16 px
Footer: 16 px
Hint: 20 px
Menu: 21 px (a) Hint (b) Footer (c) Body text (d) Title - 2.True or false: a final design has no real colours. (a) True (b) False
- 3.True or false: buttons almost touching is poor button design. (a) False (b) True
- 4.🎨 UX stands for user ___. (a) express (b) extra (c) example (d) experience
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5.💾 What does this code show? (Positions start at 0.)
let friends = ["Aman", "Riya", "Kabir", "Arjun", "Zoya"];
show(friends[0]); (a) Kabir (b) Riya (c) Aman (d) Arjun -
6.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
Back button: 36 px tall
Cancel button: 32 px tall
Send button: 32 px tall
Next button: 32 px tall - 7.Which of these is about UI (the look)? (a) the screen layout (b) how users feel after (c) how easy sign-up is (d) how many taps it takes
- 8.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) labels on every icon (d) icons with no labels
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9.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ menu icon ]
[ tab bar ]
[ title text ]
[ Add button ]
[ filter buttons ] (a) filter buttons (b) Add button (c) tab bar (d) title text - 10.True or false: a final design shows the real fonts. (a) True (b) False
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11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Title: 27 px
Body text: 23 px
Label: 25 px
Caption: 10 px
Footer: 20 px (a) Caption (b) Label (c) Body text (d) Title - 12.True or false: a shared to-do list fits saving in the cloud. (a) False (b) True
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13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. tap the Profile tab
2. open “Help page”
3. tap Back
How many times must you tap Back to reach the main screen of this tab? -
14.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
Design A: Home → Pay → Size → Shop
Design B: Home → Pay → Address → Shop → Results → Pens - 15.True or false: a big, easy tap area is good button design. (a) True (b) False
- 16.True or false: a clear word like Save is poor button design. (a) True (b) False
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17.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Shop → Size
Design B: Home → Shop → Results → Search (a) Design B (b) Design A - 18.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “read a question”? (a) read a question (b) tap “Start quiz”
- 19.🌗 Is black on yellow easy or hard to read on a button? (a) easy to read (b) hard to read
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20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Friend list”
2. tap the Me tab
3. open “Score card”
4. tap Back
Which screen are you on now? (a) Friend list (b) Lessons (c) Score card (d) Me -
21.🖼️ How many parts (boxes) does this wireframe have?
[ search box ]
[ filter buttons ]
[ top bar ]
[ menu icon ]
[ Save button ] - 22.🌗 Is dark blue on white easy or hard to read on a button? (a) hard to read (b) easy to read
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23.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Search → Shop
Design B: Home → Offers → Confirm → Menu → Pay -
24.💾 What does this code show? (Positions start at 0.)
let notes = ["Hindi", "Music", "Maths", "Science", "Art"];
show(notes[0]); (a) Maths (b) Science (c) Music (d) Hindi - 25.✏️ What is the easiest way to draw a first wireframe? (a) a microphone (b) pencil and paper (c) a phone case (d) a 3D printer
- 26.🌗 Is white on dark green easy or hard to read on a button? (a) easy to read (b) hard to read
- 27.🔢 In a photo-post flow, which comes FIRST? (a) write a caption (b) open the camera screen (c) add a filter (d) post the photo
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28.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ search box ]
[ top bar ]
[ big picture ]
[ Add button ]
[ menu icon ]
[ title text ] (a) search box (b) big picture (c) top bar (d) title text - 29.🔢 In a food-order flow, what comes right after “pick a dish”? (a) check the cart (b) open the menu (c) track the order (d) add it to the cart
- 30.🔢 In a food-order flow, what comes right after “check the cart”? (a) add it to the cart (b) pay for the order (c) track the order (d) pick a dish
- 31.Which of these is true of a menu button? (a) goes to the last screen (b) hides extra links (c) switches main sections (d) undoes one move
- 32.True or false: your last game level fits saving in the cloud. (a) True (b) False
- 33.🔘 Is this good or poor button design: space between buttons? (a) poor design (b) good design
- 34.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
- 35.🎨 UI stands for user ___. (a) interface (b) idea (c) input (d) internet
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36.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Size → Confirm → Offers → Item → Pens → Menu
Design B: Home → Address → Confirm - 37.🔢 In a photo-post flow, what comes right after “write a caption”? (a) take the photo (b) post the photo (c) add a filter (d) open the camera screen
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38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Match report”
2. tap the Home tab
3. open “Score card”
4. open “Edit photo”
How many times must you tap Back to reach the main screen of this tab? - 39.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
- 40.🌗 Is red on green easy or hard to read on a button? (a) easy to read (b) hard to read
Answer key
- Body text
- False
- True
- experience
- Aman
- 0
- the screen layout
- icons with no labels
- filter buttons
- True
- Caption
- True
- 0
- 5
- True
- False
- Design A
- tap “Start quiz”
- easy to read
- Me
- 5
- easy to read
- 2
- Hindi
- pencil and paper
- easy to read
- open the camera screen
- title text
- add it to the cart
- pay for the order
- hides extra links
- False
- good design
- a menu button
- interface
- 4
- post the photo
- 2
- a tab bar
- hard to read
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students