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 of these is about UI (the look)? (a) the theme colours (b) how easy sign-up is (c) how users feel after (d) whether users get lost
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2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Help page”
2. tap the Search tab
3. tap the Profile tab
How many times must you tap Back to reach the main screen of this tab? -
3.🖼️ How many parts (boxes) does this wireframe have?
[ title text ]
[ Add button ]
[ menu icon ]
[ top bar ]
[ filter buttons ]
[ tab bar ] - 4.🔍 Which is the odd one out? (a) how many taps it takes (b) the icon shapes (c) how fast a task is done (d) how easy sign-up is
- 5.🌗 Is white on black easy or hard to read on a button? (a) easy to read (b) hard to read
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6.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
Next button: 52 px tall
Start button: 40 px tall
Save button: 44 px tall - 7.🔍 Which is the odd one out? (a) the font size (b) the theme colours (c) the icon shapes (d) how users feel after
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8.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
Back button: 60 px tall
Done button: 56 px tall
Next button: 64 px tall - 9.✏️ Do wireframes usually show the final colours? (a) No (b) Yes
- 10.🔍 Which is the odd one out? (a) how many taps it takes (b) how easy sign-up is (c) how users feel after (d) the screen layout
- 11.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
- 12.💾 Where should the app save a shared to-do list: on the phone or in the cloud? (a) in the cloud (b) on the phone
- 13.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) sudden loud sounds (d) icons with no labels
- 14.🔢 In a food-order flow, which comes first: “open the menu” or “pay for the order”? (a) pay for the order (b) open the menu
- 15.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) labels on every icon (d) icons with no labels
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16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. tap the Home tab
2. open “Video”
3. tap Back
Which screen are you on now? (a) Profile (b) Search (c) Home (d) Video - 17.Which of these fits saving on the phone? (a) chat messages to friends (b) a shared to-do list (c) your last game level (d) photos on two devices
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18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Map”
2. tap Back
3. tap the Home tab
4. tap the Profile tab
How many times must you tap Back to reach the main screen of this tab? -
19.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Size → Address → Menu → Results
Design B: Home → Menu → Pay → Cart → Shop → Size → Item (a) Design A (b) Design B - 20.🔍 Which is the odd one out? (a) how users feel after (b) whether users get lost (c) how many taps it takes (d) the theme colours
- 21.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
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22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Help page”
2. tap the Search tab
3. tap the Home tab
How many times must you tap Back to reach the main screen of this tab? - 23.✏️ Is this true of a wireframe or of a final design: looks like the real app? (a) a final design (b) a wireframe
- 24.Which of these is true of a wireframe? (a) has the real colours (b) shows the real fonts (c) uses the final pictures (d) is a quick sketch
- 25.🔍 Which is the odd one out? (a) the screen layout (b) the theme colours (c) the button colours (d) how easy sign-up is
- 26.♿ What does a screen reader do? (a) takes photos (b) plays music (c) makes text tiny (d) reads the screen aloud
- 27.Which of these helps everyone use the app? (a) sudden loud sounds (b) text that can grow (c) colour as the only clue (d) fast-flashing lights
- 28.True or false: the button colours is about UX (the experience). (a) False (b) True
- 29.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
- 30.🎨 Is this about UI or UX: the button colours? (a) UX (b) UI
- 31.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
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32.🖼️ How many parts (boxes) does this wireframe have?
[ list of items ]
[ search box ]
[ Save button ]
[ top bar ] - 33.🔢 In a quiz-app flow, what comes right after “see if it is right”? (a) pick an answer (b) tap “Start quiz” (c) see the final score (d) read a question
- 34.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
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35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Edit photo”
2. tap the Feed tab
3. open “Score card”
4. tap the Feed tab
5. open “Score card”
Which screen are you on now? (a) Feed (b) Edit photo (c) Chat (d) Score card - 36.🔀 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
- 37.Which of these is true of a final design? (a) has no real colours (b) shows where things go (c) uses the final pictures (d) uses plain grey boxes
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38.🖼️ In this wireframe (top to bottom), what is right below the Add button?
[ Add button ]
[ list of items ]
[ title text ]
[ tab bar ]
[ top bar ]
[ menu icon ] (a) top bar (b) list of items (c) tab bar (d) menu icon - 39.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) colour as the only clue (d) captions on videos
- 40.🔢 In a quiz-app flow, which comes LAST? (a) pick an answer (b) see the final score (c) tap “Start quiz” (d) see if it is right
Answer key
- the theme colours
- 0
- 6
- the icon shapes
- easy to read
- 1
- how users feel after
- 3
- No
- the screen layout
- a wireframe
- in the cloud
- text that can grow
- open the menu
- icons with no labels
- Home
- your last game level
- 0
- Design A
- the theme colours
- a tab bar
- 0
- a final design
- is a quick sketch
- how easy sign-up is
- reads the screen aloud
- text that can grow
- False
- a wireframe
- UI
- helps everyone
- 4
- see the final score
- a tab bar
- Score card
- so each step is clear
- uses the final pictures
- list of items
- captions on videos
- see the final score
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students