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.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a final design (b) a wireframe
-
2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Menu: 12 px
Footer: 26 px
Hint: 26 px (a) Footer (b) Menu (c) Hint - 3.True or false: a shared to-do list fits saving in the cloud. (a) True (b) False
- 4.🎨 Is this about UI or UX: whether users get lost? (a) UI (b) UX
- 5.Which of these is true of a final design? (a) is a quick sketch (b) shows where things go (c) shows the real fonts (d) uses plain grey boxes
-
6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Hint: 13 px
Caption: 24 px
Body text: 21 px (a) Caption (b) Body text (c) Hint - 7.💾 Where should the app save a shared to-do list: on the phone or in the cloud? (a) in the cloud (b) on the phone
-
8.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ big picture ]
[ title text ]
[ filter buttons ]
[ tab bar ] (a) filter buttons (b) tab bar (c) big picture (d) title text -
9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. tap the Me tab
2. open “Map”
3. open “Map”
4. tap the Me tab
Which screen are you on now? (a) Quiz (b) Lessons (c) Map (d) Me -
10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. tap the Settings tab
2. open “Video”
3. tap Back
4. open “Video”
5. tap Back
How many times must you tap Back to reach the main screen of this tab? -
11.🖼️ In this wireframe (top to bottom), what is right below the search box?
[ Add button ]
[ search box ]
[ filter buttons ]
[ list of items ]
[ big picture ] (a) filter buttons (b) big picture (c) Add button (d) list of items - 12.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
- 13.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) labels on every icon (d) colour as the only clue
-
14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Help page”
2. open “Score card”
3. open “Match report”
4. open “Edit photo”
How many times must you tap Back to reach the main screen of this tab? - 15.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
- 16.🔀 What is a user flow? (a) a type of font (b) the path through screens (c) a colour theme (d) a charging cable
-
17.💾 What number does this code show?
let score = 7;
score = score - 5;
score = score + 2;
show(score); - 18.🔍 Which is the odd one out? (a) whether users get lost (b) how fast a task is done (c) the icon shapes (d) how easy sign-up is
- 19.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) text that can grow (d) icons with no labels
- 20.🔘 Is this good or poor button design: a big, easy tap area? (a) good design (b) poor design
-
21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. tap the Profile tab
2. open “Match report”
3. tap Back
How many times must you tap Back to reach the main screen of this tab? - 22.🔢 In a sign-up flow, what comes right after “tap “Sign up””? (a) open the app (b) make a password (c) see the home screen (d) type name and email
-
23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Friend list”
2. open “Help page”
3. tap Back
Which screen are you on now? (a) Home (b) Help page (c) Search (d) Friend list - 24.Which of these is true of a wireframe? (a) uses plain grey boxes (b) has the real colours (c) looks like the real app (d) shows the real fonts
-
25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. tap the Quiz tab
2. open “Map”
3. tap Back
4. open “Score card”
5. tap the Quiz tab
How many times must you tap Back to reach the main screen of this tab? -
26.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
Cancel button: 52 px tall
Next button: 56 px tall
Back button: 44 px tall
Send button: 56 px tall (a) Back (b) Send (c) Cancel (d) Next - 27.Which of these is about UX (the experience)? (a) how many taps it takes (b) the icon shapes (c) the button colours (d) the font size
- 28.True or false: a wireframe looks like the real app. (a) True (b) False
-
29.🖼️ In this wireframe (top to bottom), what is right above the list of items?
[ filter buttons ]
[ search box ]
[ Save button ]
[ list of items ]
[ menu icon ] (a) menu icon (b) Save button (c) filter buttons (d) search box - 30.🔢 In a quiz-app flow, which comes first: “see the final score” or “pick an answer”? (a) pick an answer (b) see the final score
- 31.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
- 32.Which of these fits saving on the phone? (a) a class leaderboard (b) photos on two devices (c) notes to read offline (d) chat messages to friends
- 33.🔀 In a good flow, each screen should lead to ___. (a) a clear next step (b) a dead end (c) a random page (d) the same screen
- 34.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
-
35.🖼️ How many parts (boxes) does this wireframe have?
[ filter buttons ]
[ tab bar ]
[ top bar ]
[ Save button ]
[ Add button ]
[ search box ] - 36.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
- 37.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
-
38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. tap the Feed tab
2. open “Edit photo”
3. open “Friend list”
Which screen are you on now? (a) Edit photo (b) Friend list (c) Chat (d) Feed - 39.🔍 Which is the odd one out? (a) the button colours (b) how fast a task is done (c) the screen layout (d) the icon shapes
- 40.True or false: the button colours is about UI (the look). (a) True (b) False
Answer key
- a final design
- Menu
- True
- UX
- shows the real fonts
- Hint
- in the cloud
- tab bar
- Me
- 0
- filter buttons
- a menu button
- colour as the only clue
- 4
- the back button
- the path through screens
- 4
- the icon shapes
- text that can grow
- good design
- 0
- type name and email
- Friend list
- uses plain grey boxes
- 0
- Back
- how many taps it takes
- False
- Save button
- pick an answer
- 1
- notes to read offline
- a clear next step
- helps everyone
- 6
- 2
- makes it harder
- Friend list
- how fast a task is done
- True
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students