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 colour pair is hard to read? (a) black on pale grey (b) white on black (c) dark blue on white (d) red on green
- 2.✏️ What is the easiest way to draw a first wireframe? (a) a phone case (b) pencil and paper (c) a 3D printer (d) a microphone
- 3.🔢 In a sign-up flow, which comes LAST? (a) see the home screen (b) open the app (c) tap “Sign up” (d) type name and email
- 4.🎨 Is this about UI or UX: the icon shapes? (a) UI (b) UX
- 5.Which colour pair is hard to read? (a) dark blue on white (b) pale pink on white (c) white on black (d) black on yellow
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6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Menu: 23 px
Label: 20 px
Body text: 17 px
Caption: 12 px
Title: 15 px -
7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. tap the Home tab
2. open “Map”
3. open “Map”
4. tap the Profile tab
How many times must you tap Back to reach the main screen of this tab? - 8.Which colour pair is easy to read? (a) black on yellow (b) yellow on white (c) red on green (d) dark blue on black
- 9.🔢 In a sign-up flow, what comes right after “type name and email”? (a) tap “Sign up” (b) see the home screen (c) enter the code sent (d) make a password
- 10.Which of these is true of the back button? (a) opens a list of pages (b) sits at the bottom (c) switches main sections (d) undoes one move
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11.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ list of items ]
[ menu icon ]
[ filter buttons ]
[ big picture ]
[ Save button ]
[ Add button ] (a) Add button (b) list of items (c) menu icon (d) big picture -
12.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
Start button: 56 px tall
Back button: 72 px tall
Send button: 44 px tall
Cancel button: 52 px tall (a) Cancel (b) Start (c) Send (d) Back -
13.🖼️ In this wireframe (top to bottom), what is right below the top bar?
[ list of items ]
[ top bar ]
[ big picture ]
[ Save button ]
[ Add button ] (a) Add button (b) Save button (c) big picture (d) list of items -
14.🖼️ In this wireframe (top to bottom), what is right below the title text?
[ title text ]
[ top bar ]
[ big picture ]
[ Add button ] (a) Add button (b) top bar (c) big picture - 15.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) that tab’s main screen (c) the phone settings (d) a random page
- 16.🔀 In a good flow, each screen should lead to ___. (a) a dead end (b) the same screen (c) a clear next step (d) a random page
- 17.🔘 Is this good or poor button design: icons with no meaning? (a) poor design (b) good design
-
18.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ tab bar ]
[ list of items ]
[ top bar ]
[ Save button ]
[ big picture ]
[ Add button ] (a) Save button (b) tab bar (c) Add button (d) top bar - 19.🔘 Is this good or poor button design: buttons almost touching? (a) good design (b) poor design
- 20.True or false: notes to read offline fits saving on the phone. (a) False (b) True
- 21.🔢 In a photo-post flow, what comes right after “add a filter”? (a) post the photo (b) take the photo (c) write a caption (d) open the camera screen
- 22.Which of these fits saving in the cloud? (a) a shared to-do list (b) your last game level (c) the sound on/off setting (d) notes to read offline
- 23.True or false: the theme colours is about UI (the look). (a) True (b) False
- 24.True or false: whether users get lost is about UI (the look). (a) False (b) True
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25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Friend list”
2. tap Back
3. open “Friend list”
Which screen are you on now? (a) Me (b) Lessons (c) Friend list (d) Quiz - 26.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
- 27.🎨 UI stands for user ___. (a) interface (b) input (c) internet (d) idea
- 28.True or false: a shared to-do list fits saving on the phone. (a) False (b) True
- 29.Which of these fits saving in the cloud? (a) chat messages to friends (b) your last game level (c) notes to read offline (d) the sound on/off setting
- 30.True or false: icons with no meaning is poor button design. (a) False (b) True
- 31.🌗 Is black on yellow easy or hard to read on a button? (a) hard to read (b) easy to read
- 32.True or false: a big, easy tap area is good button design. (a) False (b) True
- 33.🔍 Which is the odd one out? (a) big touch targets (b) strong colour contrast (c) captions on videos (d) fast-flashing lights
- 34.Which of these is about UX (the experience)? (a) the button colours (b) how fast a task is done (c) the font size (d) the icon shapes
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35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. tap the Chat tab
2. tap the Chat tab
3. open “Friend list”
4. open “Help page”
Which screen are you on now? (a) Help page (b) Chat (c) Feed (d) Friend list -
36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Friend list”
2. open “Video”
3. tap Back
4. open “Map”
Which screen are you on now? (a) Video (b) Map (c) Friend list (d) Home -
37.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Pay → Confirm
Design B: Home → Pay → Cart → Size → Menu → Confirm -
38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Edit photo”
2. tap Back
3. tap the Home tab
4. open “Badges”
5. open “Match report”
How many times must you tap Back to reach the main screen of this tab? - 39.Which of these fits saving on the phone? (a) a class leaderboard (b) photos on two devices (c) your last game level (d) chat messages to friends
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40.🖼️ In this wireframe (top to bottom), what is right below the Add button?
[ menu icon ]
[ tab bar ]
[ search box ]
[ Save button ]
[ Add button ]
[ big picture ] (a) menu icon (b) tab bar (c) search box (d) big picture
Answer key
- red on green
- pencil and paper
- see the home screen
- UI
- pale pink on white
- 2
- 0
- black on yellow
- make a password
- undoes one move
- Add button
- Send
- big picture
- top bar
- that tab’s main screen
- a clear next step
- poor design
- Add button
- poor design
- True
- write a caption
- a shared to-do list
- True
- False
- Friend list
- makes it harder
- interface
- False
- chat messages to friends
- True
- easy to read
- True
- fast-flashing lights
- how fast a task is done
- Help page
- Map
- 2
- 2
- your last game level
- big picture
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students