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: a final design uses the final pictures. (a) True (b) False
- 2.♿ Accessibility means an app works for ___. (a) only the coder (b) nobody (c) only experts (d) everyone
- 3.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
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4.💾 What number does this code show?
let notes = ["Maths", "Hindi", "Music", "Science"];
notes.push("Sports");
show(notes.length); - 5.🎨 Is this about UI or UX: the font size? (a) UX (b) UI
- 6.🔘 Our rule: buttons are at least 48 px tall. The Send button is 32 px tall. How many px taller must it be?
- 7.🌗 Is dark blue on white easy or hard to read on a button? (a) hard to read (b) easy to read
- 8.🔢 In a food-order flow, what comes right after “open the menu”? (a) check the cart (b) add it to the cart (c) pick a dish (d) track the order
- 9.True or false: notes to read offline fits saving in the cloud. (a) True (b) False
- 10.🌗 Is dark blue on black easy or hard to read on a button? (a) easy to read (b) hard to read
- 11.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) strong colour contrast (d) colour as the only clue
- 12.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
- 13.🎨 Who should you test the UX with? (a) real users (b) only yourself (c) nobody (d) the app icon
- 14.Which colour pair is easy to read? (a) dark blue on black (b) light grey on white (c) black on pale grey (d) pale pink on white
- 15.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a final design (b) a wireframe
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16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. tap the Home tab
2. open “Edit photo”
3. open “Match report”
4. tap Back
5. tap the Profile tab
How many times must you tap Back to reach the main screen of this tab? - 17.True or false: a wireframe has the real colours. (a) True (b) False
- 18.True or false: a draft you are typing fits saving in the cloud. (a) True (b) False
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19.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Offers → Menu → Pay → Cart
Design B: Home → Shop → Results → Search → Confirm → Pens -
20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. tap the Chat tab
2. tap the Settings tab
3. open “Help page”
4. tap Back
Which screen are you on now? (a) Chat (b) Feed (c) Help page (d) Settings - 21.💾 Data saved only on the phone is lost when ___. (a) you send a message (b) the app is closed (c) the screen turns off (d) the phone is lost
- 22.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a wireframe (b) a final design
- 23.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
- 24.Which of these is about UI (the look)? (a) how easy sign-up is (b) how fast a task is done (c) the button colours (d) how many taps it takes
- 25.🌗 Is pale pink on white easy or hard to read on a button? (a) hard to read (b) easy to read
- 26.🔢 In a sign-up flow, what comes right after “make a password”? (a) tap “Sign up” (b) open the app (c) type name and email (d) enter the code sent
- 27.Which of these makes the app harder to use? (a) captions on videos (b) tiny tap areas (c) labels on every icon (d) big touch targets
- 28.🔢 In a sign-up flow, which comes LAST? (a) make a password (b) enter the code sent (c) type name and email (d) see the home screen
- 29.Which of these is true of a wireframe? (a) looks like the real app (b) uses the final pictures (c) has the real colours (d) shows where things go
- 30.💾 Where should the app save the sound on/off setting: on the phone or in the cloud? (a) in the cloud (b) on the phone
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31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Help page”
2. open “Match report”
3. open “Map”
How many times must you tap Back to reach the main screen of this tab? -
32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Friend list”
2. open “Friend list”
3. tap the Lessons tab
4. open “Badges”
How many times must you tap Back to reach the main screen of this tab? - 33.🔢 In a photo-post flow, which comes first: “open the camera screen” or “post the photo”? (a) post the photo (b) open the camera screen
- 34.🔘 Our rule: buttons are at least 48 px tall. The Save button is 36 px tall. How many px taller must it be?
- 35.True or false: chat messages to friends fits saving in the cloud. (a) False (b) True
- 36.🔢 In a photo-post flow, what comes right after “take the photo”? (a) post the photo (b) add a filter (c) open the camera screen (d) write a caption
- 37.True or false: the sound on/off setting fits saving on the phone. (a) True (b) False
- 38.🔀 What is a user flow? (a) a colour theme (b) a charging cable (c) a type of font (d) the path through screens
- 39.🔢 In a photo-post flow, which comes first: “open the camera screen” or “take the photo”? (a) open the camera screen (b) take the photo
- 40.🔢 In a sign-up flow, which comes first: “enter the code sent” or “open the app”? (a) enter the code sent (b) open the app
Answer key
- True
- everyone
- a menu button
- 5
- UI
- 16
- easy to read
- pick a dish
- False
- hard to read
- colour as the only clue
- a final design
- real users
- black on pale grey
- a final design
- 0
- False
- False
- 1
- Settings
- the phone is lost
- a wireframe
- a wireframe
- the button colours
- hard to read
- enter the code sent
- tiny tap areas
- see the home screen
- shows where things go
- on the phone
- 3
- 1
- open the camera screen
- 12
- True
- add a filter
- True
- the path through screens
- open the camera screen
- open the app
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students