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: space between buttons is poor button design. (a) True (b) False
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2.🖼️ How many parts (boxes) does this wireframe have?
[ menu icon ]
[ search box ]
[ list of items ]
[ top bar ]
[ big picture ] - 3.Which of these is true of a wireframe? (a) looks like the real app (b) shows the real fonts (c) uses the final pictures (d) shows where things go
- 4.🌗 Is dark blue on black easy or hard to read on a button? (a) easy to read (b) hard to read
- 5.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
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6.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Cart → Shop → Pens
Design B: Home → Item → Address → Menu → Size → Search → Offers - 7.✏️ Is this true of a wireframe or of a final design: looks like the real app? (a) a final design (b) a wireframe
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8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Menu: 19 px
Body text: 10 px
Title: 24 px (a) Menu (b) Title (c) Body text -
9.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
Help button: 40 px tall
Start button: 48 px tall
Next button: 48 px tall
Back button: 52 px tall (a) Back (b) Next (c) Help (d) Start -
10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Label: 17 px
Footer: 9 px
Title: 22 px (a) Footer (b) Label (c) Title - 11.🔘 Our rule: buttons are at least 48 px tall. The Back button is 20 px tall. How many px taller must it be?
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12.🖼️ In this wireframe (top to bottom), what is right below the big picture?
[ tab bar ]
[ Add button ]
[ list of items ]
[ big picture ]
[ filter buttons ] (a) list of items (b) filter buttons (c) Add button (d) tab bar - 13.🌗 Is black on pale grey easy or hard to read on a button? (a) easy to read (b) hard to read
- 14.🔍 Which is the odd one out? (a) how fast a task is done (b) the font size (c) whether users get lost (d) how easy sign-up is
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15.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Confirm → Address
Design B: Home → Cart → Offers → Search → Size -
16.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
Cancel button: 52 px tall
Help button: 44 px tall
Save button: 48 px tall (a) Help (b) Cancel (c) Save - 17.🔘 Is this good or poor button design: a clear word like Save? (a) good design (b) poor design
- 18.🔢 In a sign-up flow, which comes first: “make a password” or “open the app”? (a) open the app (b) make a password
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19.🖼️ How many parts (boxes) does this wireframe have?
[ Save button ]
[ search box ]
[ menu icon ]
[ title text ]
[ top bar ]
[ tab bar ] - 20.💾 Which can hold many values in order? (a) a single number (b) a button (c) a list (d) a switch
- 21.Which of these fits saving on the phone? (a) a class leaderboard (b) chat messages to friends (c) photos on two devices (d) your last game level
- 22.🔢 In a sign-up flow, which comes first: “see the home screen” or “make a password”? (a) see the home screen (b) make a password
- 23.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
- 24.True or false: a wireframe looks like the real app. (a) False (b) True
- 25.Which of these is true of a tab bar? (a) undoes one move (b) goes to the last screen (c) switches main sections (d) hides extra links
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26.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Confirm → Pens → Shop
Design B: Home → Offers → Size → Address → Shop → Search → Pay - 27.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) colour as the only clue (d) text that can grow
- 28.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “type name and email”? (a) tap “Sign up” (b) type name and email
- 29.Which colour pair is easy to read? (a) light grey on white (b) pale pink on white (c) black on yellow (d) dark blue on black
- 30.🎨 Is this about UI or UX: the screen layout? (a) UI (b) UX
- 31.♿ Why add captions to videos? (a) so anyone can follow (b) to hide the sound (c) to add colour (d) to slow them down
- 32.🔢 In a sign-up flow, which comes first: “see the home screen” or “open the app”? (a) open the app (b) see the home screen
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33.🖼️ How many parts (boxes) does this wireframe have?
[ title text ]
[ menu icon ]
[ filter buttons ]
[ tab bar ] -
34.🖼️ In this wireframe (top to bottom), what is right below the top bar?
[ Save button ]
[ top bar ]
[ big picture ]
[ Add button ] (a) Add button (b) Save button (c) big picture - 35.🔢 In a sign-up flow, what comes right after “open the app”? (a) type name and email (b) tap “Sign up” (c) make a password (d) enter the code sent
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36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Map”
2. tap Back
3. open “Edit photo”
4. tap the Feed tab
5. open “Score card”
Which screen are you on now? (a) Edit photo (b) Map (c) Feed (d) Score card - 37.♿ 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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38.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Cart → Pens → Menu → Offers
Design B: Home → Address → Pens (a) Design B (b) Design A - 39.🔢 In a photo-post flow, which comes FIRST? (a) add a filter (b) write a caption (c) open the camera screen (d) post the photo
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40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Video”
2. open “Video”
3. tap Back
Which screen are you on now? (a) Chat (b) Video (c) Settings (d) Feed
Answer key
- False
- 5
- shows where things go
- hard to read
- False
- 3
- a final design
- Body text
- Help
- Footer
- 28
- filter buttons
- easy to read
- the font size
- 2
- Help
- good design
- open the app
- 6
- a list
- your last game level
- make a password
- a wireframe
- False
- switches main sections
- 3
- text that can grow
- tap “Sign up”
- black on yellow
- UI
- so anyone can follow
- open the app
- 4
- big picture
- tap “Sign up”
- Score card
- helps everyone
- Design B
- open the camera screen
- Video
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students