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.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Results → Address → Menu → Item → Pay → Shop
Design B: Home → Results → Search → Item → Address (a) Design A (b) Design B - 2.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) the battery (c) colour-blind users (d) fast typists
- 3.🔢 In a food-order flow, what comes right after “open the menu”? (a) track the order (b) check the cart (c) pick a dish (d) pay for the order
- 4.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) nobody (d) everyone
- 5.🔍 Which is the odd one out? (a) how users feel after (b) how easy sign-up is (c) how fast a task is done (d) the theme colours
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6.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
Design A: Home → Pens → Cart → Results → Address → Offers
Design B: Home → Shop → Address → Results - 7.💾 Where should the app save chat messages to friends: on the phone or in the cloud? (a) on the phone (b) in the cloud
- 8.Which of these is about UX (the experience)? (a) the screen layout (b) the theme colours (c) the font size (d) how many taps it takes
- 9.💾 What is a variable? (a) a named box for a value (b) a phone setting (c) a picture (d) a type of screen
- 10.✏️ What is the easiest way to draw a first wireframe? (a) a 3D printer (b) a microphone (c) a phone case (d) pencil and paper
- 11.✏️ Is this true of a wireframe or of a final design: shows where things go? (a) a wireframe (b) a final design
- 12.🎨 UX stands for user ___. (a) extra (b) express (c) experience (d) example
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13.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Confirm → Pens → Item
Design B: Home → Shop → Confirm → Pay → Cart → Item → Pens (a) Design B (b) Design A - 14.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
- 15.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
- 16.💾 Data saved only on the phone is lost when ___. (a) the phone is lost (b) the screen turns off (c) the app is closed (d) you send a message
- 17.Which of these fits saving in the cloud? (a) a draft you are typing (b) your last game level (c) a shared to-do list (d) notes to read offline
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18.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Address → Results → Shop
Design B: Home → Item → Offers → Cart → Pay → Pens → Menu -
19.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ search box ]
[ title text ]
[ filter buttons ]
[ top bar ]
[ big picture ]
[ Add button ] (a) search box (b) Add button (c) filter buttons (d) big picture - 20.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
- 21.🔢 In a photo-post flow, which comes first: “open the camera screen” or “take the photo”? (a) take the photo (b) open the camera screen
- 22.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) closes all apps (d) goes to the last screen
- 23.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
- 24.True or false: a shared to-do list fits saving on the phone. (a) False (b) True
- 25.Which of these helps everyone use the app? (a) labels on every icon (b) tiny tap areas (c) colour as the only clue (d) sudden loud sounds
- 26.✏️ A box with a cross in a wireframe usually means ___. (a) a picture goes here (b) delete this (c) an error (d) a closed app
- 27.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
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28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Help page”
2. tap the Me tab
3. open “Badges”
4. tap the Me tab
5. open “Help page”
Which screen are you on now? (a) Lessons (b) Quiz (c) Help page (d) Badges -
29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Hint: 18 px
Label: 10 px
Body text: 17 px
Footer: 18 px
Title: 21 px - 30.Which of these is true of the back button? (a) shows 3 to 5 icons (b) undoes one move (c) switches main sections (d) sits at the bottom
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31.🖼️ In this wireframe (top to bottom), what is right below the top bar?
[ top bar ]
[ tab bar ]
[ Save button ]
[ list of items ]
[ search box ]
[ title text ] (a) title text (b) list of items (c) tab bar (d) Save button - 32.🔢 In a sign-up flow, which comes FIRST? (a) tap “Sign up” (b) see the home screen (c) make a password (d) open the app
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33.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Pay → Offers → Confirm → Results
Design B: Home → Item → Offers → Pay → Results → Confirm - 34.Which of these helps everyone use the app? (a) big touch targets (b) fast-flashing lights (c) sudden loud sounds (d) icons with no labels
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35.🖼️ In this wireframe (top to bottom), what is right below the tab bar?
[ top bar ]
[ tab bar ]
[ Add button ]
[ title text ]
[ filter buttons ]
[ big picture ] (a) top bar (b) Add button (c) big picture (d) title text - 36.🎨 Is this about UI or UX: the button colours? (a) UI (b) UX
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37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. tap the Settings tab
2. open “Score card”
3. open “Match report”
4. tap the Chat tab
5. open “Map”
How many times must you tap Back to reach the main screen of this tab? -
38.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
Design A: Home → Shop → Size → Address → Cart
Design B: Home → Search → Menu → Address - 39.Which of these is about UX (the experience)? (a) the button colours (b) how easy sign-up is (c) the font size (d) the icon shapes
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40.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Pay → Menu
Design B: Home → Pens → Shop → Search → Confirm → Results → Address
Answer key
- Design B
- colour-blind users
- pick a dish
- everyone
- the theme colours
- 3
- in the cloud
- how many taps it takes
- a named box for a value
- pencil and paper
- a wireframe
- experience
- Design A
- makes it harder
- helps everyone
- the phone is lost
- a shared to-do list
- 3
- Add button
- a tab bar
- open the camera screen
- goes to the last screen
- False
- False
- labels on every icon
- a picture goes here
- helps everyone
- Help page
- 1
- undoes one move
- tab bar
- open the app
- 1
- big touch targets
- Add button
- UI
- 1
- 3
- how easy sign-up is
- 2
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students