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 is the odd one out? (a) the screen layout (b) the theme colours (c) the icon shapes (d) whether users get lost
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2.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ search box ]
[ top bar ]
[ title text ]
[ menu icon ]
[ list of items ]
[ filter buttons ] (a) title text (b) menu icon (c) list of items (d) filter buttons -
3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. tap the Profile tab
2. tap the Profile tab
3. open “Map”
4. tap the Home tab
5. open “Score card”
How many times must you tap Back to reach the main screen of this tab? - 4.🔢 In a photo-post flow, which comes first: “add a filter” or “take the photo”? (a) add a filter (b) take the photo
- 5.✏️ A box with a cross in a wireframe usually means ___. (a) a picture goes here (b) an error (c) a closed app (d) delete this
- 6.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) strong colour contrast (d) big touch targets
- 7.True or false: a wireframe shows where things go. (a) False (b) True
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8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Map”
2. open “Video”
3. open “Video”
4. open “Match report”
How many times must you tap Back to reach the main screen of this tab? - 9.Which colour pair is easy to read? (a) black on pale grey (b) light grey on white (c) pale pink on white (d) dark blue on black
- 10.Which of these makes the app harder to use? (a) text that can grow (b) captions on videos (c) sudden loud sounds (d) labels on every icon
- 11.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
-
12.💾 What number does this code show?
let points = 6;
points = points - 3;
points = points + 2;
show(points); -
13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. tap the Search tab
2. open “Match report”
3. open “Map”
4. tap Back
How many times must you tap Back to reach the main screen of this tab? -
14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Score card”
2. tap the Lessons tab
3. tap the Quiz tab
How many times must you tap Back to reach the main screen of this tab? -
15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. tap the Chat tab
2. open “Score card”
3. tap the Chat tab
4. open “Video”
How many times must you tap Back to reach the main screen of this tab? - 16.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) on the phone (b) in the cloud
- 17.✏️ Why draw a wireframe before coding? (a) it adds colours (b) it saves data (c) changes are quick (d) it runs the app
- 18.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
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19.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
Back button: 68 px tall
Cancel button: 28 px tall
Next button: 48 px tall
Send button: 60 px tall (a) Cancel (b) Back (c) Send (d) Next -
20.💾 pop() takes off the last item. What does this code show?
let songs = ["Kites", "Rain", "Sunrise"];
songs.pop();
show(songs[songs.length - 1]); (a) Sunrise (b) Kites (c) Rain - 21.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) in the cloud (b) on the phone
-
22.💾 What number does this code show?
let score = 3;
score = score - 2;
score = score + 2;
show(score); - 23.True or false: the screen layout is about UX (the experience). (a) True (b) False
- 24.🎨 A beautiful app that confuses everyone has ___. (a) perfect UX (b) no UI at all (c) good UX but poor UI (d) good UI but poor UX
- 25.🔀 A screen with no way forward or back is called a ___. (a) dead end (b) home screen (c) shortcut (d) tab bar
- 26.True or false: a final design shows where things go. (a) False (b) True
- 27.🔢 In a sign-up flow, which comes FIRST? (a) make a password (b) enter the code sent (c) type name and email (d) open the app
-
28.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ filter buttons ]
[ search box ]
[ big picture ]
[ menu icon ] (a) menu icon (b) search box (c) big picture (d) filter buttons -
29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. tap the Home tab
2. open “Match report”
3. tap the Search tab
Which screen are you on now? (a) Match report (b) Search (c) Profile (d) Home - 30.✏️ What is the easiest way to draw a first wireframe? (a) a phone case (b) a microphone (c) a 3D printer (d) pencil and paper
- 31.🔢 In a sign-up flow, what comes right after “make a password”? (a) tap “Sign up” (b) enter the code sent (c) open the app (d) see the home screen
- 32.💾 Where should the app save chat messages to friends: on the phone or in the cloud? (a) in the cloud (b) on the phone
-
33.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Pens → Offers → Menu
Design B: Home → Cart → Pens → Pay → Menu - 34.True or false: a big, easy tap area is good button design. (a) True (b) False
- 35.Which of these is about UX (the experience)? (a) the font size (b) the theme colours (c) the screen layout (d) how fast a task is done
-
36.🖼️ How many parts (boxes) does this wireframe have?
[ title text ]
[ search box ]
[ top bar ]
[ tab bar ]
[ list of items ] - 37.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
-
38.🖼️ In this wireframe (top to bottom), what is right below the title text?
[ top bar ]
[ title text ]
[ menu icon ]
[ filter buttons ] (a) filter buttons (b) menu icon (c) top bar -
39.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Item → Pay → Search → Confirm → Offers → Shop
Design B: Home → Menu → Item → Shop → Offers → Address - 40.Which of these is about UX (the experience)? (a) the button colours (b) the font size (c) how many taps it takes (d) the screen layout
Answer key
- whether users get lost
- filter buttons
- 1
- take the photo
- a picture goes here
- tiny tap areas
- True
- 4
- black on pale grey
- sudden loud sounds
- False
- 5
- 1
- 0
- 1
- in the cloud
- changes are quick
- False
- Cancel
- Rain
- on the phone
- 3
- False
- good UI but poor UX
- dead end
- False
- open the app
- menu icon
- Search
- pencil and paper
- enter the code sent
- in the cloud
- 3
- True
- how fast a task is done
- 5
- the back button
- menu icon
- 6
- how many taps it takes
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students