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 true of a final design? (a) shows where things go (b) has the real colours (c) uses plain grey boxes (d) has no real colours
- 2.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a final design (b) a wireframe
- 3.Which of these is about UX (the experience)? (a) the theme colours (b) the button colours (c) the font size (d) how many taps it takes
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4.🖼️ In this wireframe (top to bottom), what is right below the top bar?
[ filter buttons ]
[ top bar ]
[ title text ]
[ list of items ]
[ search box ]
[ menu icon ] (a) title text (b) list of items (c) search box (d) filter buttons -
5.💾 pop() takes off the last item. What does this code show?
let songs = ["Rain", "Monsoon", "Ocean", "Stars", "Sunrise"];
songs.pop();
show(songs[songs.length - 1]); (a) Monsoon (b) Ocean (c) Rain (d) Stars - 6.Which of these helps everyone use the app? (a) colour as the only clue (b) labels on every icon (c) fast-flashing lights (d) icons with no labels
- 7.🔢 In a sign-up flow, which comes FIRST? (a) type name and email (b) tap “Sign up” (c) make a password (d) open the app
- 8.🔘 Our rule: buttons are at least 48 px tall. The Save button is 36 px tall. How many px taller must it be?
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9.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
Help button: 40 px tall
Done button: 72 px tall
Save button: 48 px tall (a) Done (b) Help (c) Save - 10.Which of these is about UI (the look)? (a) the font size (b) how easy sign-up is (c) how users feel after (d) whether users get lost
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11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. tap the Feed tab
2. open “Match report”
3. tap the Chat tab
Which screen are you on now? (a) Match report (b) Feed (c) Chat (d) Settings - 12.True or false: notes to read offline fits saving in the cloud. (a) False (b) True
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13.💾 What does this code show? (Positions start at 0.)
let notes = ["Science", "Hindi", "Sports", "Music", "Art"];
show(notes[2]); (a) Music (b) Sports (c) Science (d) Hindi -
14.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
Back button: 56 px tall
Cancel button: 52 px tall
Done button: 48 px tall - 15.🎨 UX stands for user ___. (a) express (b) extra (c) experience (d) example
- 16.🎨 A beautiful app that confuses everyone has ___. (a) good UI but poor UX (b) perfect UX (c) no UI at all (d) good UX but poor UI
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17.🖼️ In this wireframe (top to bottom), what is right below the top bar?
[ search box ]
[ big picture ]
[ filter buttons ]
[ top bar ]
[ title text ] (a) title text (b) search box (c) big picture (d) filter buttons - 18.True or false: the sound on/off setting fits saving on the phone. (a) True (b) False
-
19.🖼️ In this wireframe (top to bottom), what is right below the title text?
[ list of items ]
[ Save button ]
[ top bar ]
[ title text ]
[ search box ] (a) search box (b) top bar (c) list of items (d) Save button - 20.🌗 Is red on green easy or hard to read on a button? (a) easy to read (b) hard to read
- 21.🔍 Which is the odd one out? (a) strong colour contrast (b) fast-flashing lights (c) big touch targets (d) captions on videos
- 22.True or false: a final design uses plain grey boxes. (a) True (b) False
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23.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Confirm → Size → Pens
Design B: Home → Menu → Cart → Offers → Size → Address → Item (a) Design B (b) Design A - 24.🔘 Is this good or poor button design: grey text on grey? (a) good design (b) poor design
- 25.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
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26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. tap the Quiz tab
2. tap the Me tab
3. tap the Quiz tab
How many times must you tap Back to reach the main screen of this tab? -
27.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Pens → Offers → Confirm → Menu
Design B: Home → Pens → Results → Confirm → Search → Menu (a) Design A (b) Design B - 28.🔢 In a photo-post flow, which comes first: “take the photo” or “write a caption”? (a) write a caption (b) take the photo
- 29.✏️ What is the easiest way to draw a first wireframe? (a) pencil and paper (b) a 3D printer (c) a microphone (d) a phone case
- 30.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) the phone settings (c) that tab’s main screen (d) a random page
- 31.🔘 Is this good or poor button design: buttons almost touching? (a) good design (b) poor design
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32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Title: 14 px
Label: 19 px
Body text: 22 px (a) Title (b) Label (c) Body text - 33.🔢 In a sign-up flow, which comes first: “open the app” or “tap “Sign up””? (a) tap “Sign up” (b) open the app
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34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Help page”
2. open “Video”
3. tap the Search tab
4. tap the Home tab
5. open “Friend list”
How many times must you tap Back to reach the main screen of this tab? - 35.🔢 In a sign-up flow, what comes right after “open the app”? (a) tap “Sign up” (b) type name and email (c) make a password (d) enter the code sent
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36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Match report”
2. open “Video”
3. open “Score card”
Which screen are you on now? (a) Video (b) Match report (c) Score card (d) Home -
37.🖼️ In this wireframe (top to bottom), what is right above the title text?
[ big picture ]
[ filter buttons ]
[ list of items ]
[ menu icon ]
[ Add button ]
[ title text ] (a) menu icon (b) Add button (c) list of items (d) big picture - 38.🔢 In a food-order flow, which comes FIRST? (a) add it to the cart (b) open the menu (c) pay for the order (d) track the order
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39.🖼️ How many parts (boxes) does this wireframe have?
[ list of items ]
[ title text ]
[ menu icon ]
[ top bar ]
[ Add button ]
[ filter buttons ] - 40.🔍 Which is the odd one out? (a) how users feel after (b) how fast a task is done (c) the screen layout (d) how easy sign-up is
Answer key
- has the real colours
- a final design
- how many taps it takes
- title text
- Stars
- labels on every icon
- open the app
- 12
- Help
- the font size
- Chat
- False
- Sports
- 3
- experience
- good UI but poor UX
- title text
- True
- search box
- hard to read
- fast-flashing lights
- False
- Design A
- poor design
- a tab bar
- 0
- Design A
- take the photo
- pencil and paper
- that tab’s main screen
- poor design
- Title
- open the app
- 1
- tap “Sign up”
- Score card
- Add button
- open the menu
- 6
- the screen layout
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students