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 → Offers → Address
Design B: Home → Shop → Address → Item (a) Design B (b) Design A - 2.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the server (c) colour-blind users (d) the battery
- 3.🔢 In a photo-post flow, what comes right after “take the photo”? (a) post the photo (b) write a caption (c) add a filter (d) open the camera screen
- 4.🎨 Fewer taps to finish a task usually means ___. (a) a bigger app (b) better UX (c) worse UX (d) more colours
- 5.🔢 In a photo-post flow, which comes first: “take the photo” or “open the camera screen”? (a) take the photo (b) open the camera screen
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6.🖼️ In this wireframe (top to bottom), what is right below the menu icon?
[ Add button ]
[ Save button ]
[ title text ]
[ filter buttons ]
[ menu icon ]
[ top bar ] (a) Add button (b) title text (c) top bar (d) filter buttons -
7.🖼️ How many parts (boxes) does this wireframe have?
[ menu icon ]
[ big picture ]
[ search box ]
[ Add button ] - 8.Which of these fits saving in the cloud? (a) a draft you are typing (b) notes to read offline (c) a class leaderboard (d) the sound on/off setting
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9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Edit photo”
2. open “Badges”
3. tap Back
4. open “Map”
5. tap the Settings tab
How many times must you tap Back to reach the main screen of this tab? -
10.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Pay → Search → Offers → Cart
Design B: Home → Size → Shop → Pens → Results → Pay → Menu - 11.🔢 In a sign-up flow, what comes right after “make a password”? (a) see the home screen (b) type name and email (c) enter the code sent (d) tap “Sign up”
- 12.True or false: your last game level fits saving in the cloud. (a) True (b) False
- 13.True or false: a final design uses plain grey boxes. (a) False (b) True
- 14.🔘 Is this good or poor button design: grey text on grey? (a) poor design (b) good design
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15.💾 What number does this code show?
let lives = 8;
lives = lives - 1;
lives = lives + 5;
show(lives); - 16.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
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17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Map”
2. tap the Search tab
3. open “Map”
4. tap Back
5. tap the Search tab
How many times must you tap Back to reach the main screen of this tab? - 18.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
- 19.True or false: a final design is a quick sketch. (a) False (b) True
- 20.Which of these fits saving on the phone? (a) photos on two devices (b) chat messages to friends (c) your last game level (d) a shared to-do list
- 21.True or false: the screen layout is about UI (the look). (a) False (b) True
- 22.🔢 In a quiz-app flow, which comes FIRST? (a) see if it is right (b) tap “Start quiz” (c) read a question (d) see the final score
- 23.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
- 24.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
- 25.🌗 Is white on dark green easy or hard to read on a button? (a) hard to read (b) easy to read
- 26.💾 Which works with no internet at all? (a) data saved on the phone (b) a cloud backup (c) a cloud leaderboard (d) a shared chat
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27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Body text: 18 px
Hint: 9 px
Title: 23 px
Caption: 25 px (a) Hint (b) Body text (c) Title (d) Caption -
28.🖼️ How many parts (boxes) does this wireframe have?
[ list of items ]
[ menu icon ]
[ search box ]
[ filter buttons ]
[ Save button ]
[ title text ] - 29.Which of these is about UX (the experience)? (a) how fast a task is done (b) the button colours (c) the icon shapes (d) the screen layout
- 30.Which of these is true of a wireframe? (a) shows the real fonts (b) looks like the real app (c) has the real colours (d) has no real colours
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31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Match report”
2. tap Back
3. open “Help page”
4. tap Back
How many times must you tap Back to reach the main screen of this tab? - 32.🔀 A screen with no way forward or back is called a ___. (a) dead end (b) home screen (c) shortcut (d) tab bar
- 33.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
- 34.🔢 In a quiz-app flow, what comes right after “see if it is right”? (a) tap “Start quiz” (b) read a question (c) pick an answer (d) see the final score
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35.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Size → Offers → Item → Results
Design B: Home → Pens → Cart (a) Design B (b) Design A - 36.🔢 In a sign-up flow, which comes first: “open the app” or “make a password”? (a) open the app (b) make a password
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37.🖼️ How many parts (boxes) does this wireframe have?
[ search box ]
[ filter buttons ]
[ top bar ]
[ title text ]
[ Save button ] - 38.True or false: a final design shows the real fonts. (a) True (b) False
- 39.💾 Where should the app save a shared to-do list: on the phone or in the cloud? (a) on the phone (b) in the cloud
- 40.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) closes all apps (d) goes to the last screen
Answer key
- Design A
- colour-blind users
- add a filter
- better UX
- open the camera screen
- top bar
- 4
- a class leaderboard
- 0
- 4
- enter the code sent
- False
- False
- poor design
- 12
- No
- 0
- 6
- False
- your last game level
- True
- tap “Start quiz”
- a final design
- a menu button
- easy to read
- data saved on the phone
- Hint
- 6
- how fast a task is done
- has no real colours
- 0
- dead end
- 1
- see the final score
- Design B
- open the app
- 5
- True
- in the cloud
- goes to the last screen
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students