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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Label: 17 px
Title: 19 px
Body text: 21 px
Menu: 13 px (a) Title (b) Menu (c) Label (d) Body text - 2.🎨 Is this about UI or UX: how many taps it takes? (a) UI (b) UX
-
3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Match report”
2. tap Back
3. open “Help page”
Which screen are you on now? (a) Quiz (b) Help page (c) Lessons (d) Match report - 4.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
- 5.🔍 Which is the odd one out? (a) how fast a task is done (b) the font size (c) the icon shapes (d) the button colours
-
6.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ top bar ]
[ tab bar ]
[ title text ]
[ menu icon ] (a) menu icon (b) tab bar (c) title text (d) top bar - 7.🔢 In a photo-post flow, which comes first: “write a caption” or “open the camera screen”? (a) open the camera screen (b) write a caption
- 8.♿ Why add captions to videos? (a) so anyone can follow (b) to slow them down (c) to hide the sound (d) to add colour
- 9.🔢 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
- 10.🔍 Which is the odd one out? (a) big touch targets (b) tiny tap areas (c) fast-flashing lights (d) sudden loud sounds
- 11.True or false: the font size is about UI (the look). (a) True (b) False
- 12.🌗 Is pale pink on white easy or hard to read on a button? (a) hard to read (b) easy to read
- 13.🎨 Is this about UI or UX: whether users get lost? (a) UI (b) UX
- 14.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
-
15.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Shop → Search
Design B: Home → Search → Size → Cart → Pens - 16.🔢 In a quiz-app flow, which comes LAST? (a) see the final score (b) see if it is right (c) read a question (d) tap “Start quiz”
-
17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Body text: 16 px
Hint: 13 px
Caption: 17 px
Label: 16 px
Footer: 19 px -
18.💾 What does this code show? (Positions start at 0.)
let notes = ["Sports", "Music", "Maths", "Art", "Hindi"];
show(notes[2]); (a) Maths (b) Music (c) Art (d) Sports -
19.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ filter buttons ]
[ top bar ]
[ list of items ]
[ big picture ]
[ Add button ]
[ title text ] (a) top bar (b) title text (c) list of items (d) Add button - 20.🔢 In a photo-post flow, what comes right after “take the photo”? (a) post the photo (b) open the camera screen (c) write a caption (d) add a filter
- 21.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) in the cloud (b) on the phone
- 22.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) sudden loud sounds (d) big touch targets
-
23.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Offers → Cart → Confirm → Results → Size
Design B: Home → Menu → Item → Offers → Pay (a) Design A (b) Design B -
24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Title: 22 px
Footer: 21 px
Caption: 22 px
Body text: 12 px
Label: 18 px - 25.🔢 In a sign-up flow, which comes first: “enter the code sent” or “type name and email”? (a) enter the code sent (b) type name and email
- 26.True or false: photos on two devices fits saving in the cloud. (a) False (b) True
-
27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. tap the Feed tab
2. tap the Settings tab
3. tap the Chat tab
Which screen are you on now? (a) Settings (b) Feed (c) Chat -
28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Badges”
2. open “Help page”
3. open “Score card”
4. tap the Feed tab
Which screen are you on now? (a) Help page (b) Feed (c) Score card (d) Badges - 29.Which of these is about UX (the experience)? (a) the button colours (b) the icon shapes (c) how fast a task is done (d) the screen layout
-
30.🖼️ In this wireframe (top to bottom), what is right below the Save button?
[ top bar ]
[ title text ]
[ Save button ]
[ list of items ]
[ menu icon ]
[ search box ] (a) search box (b) top bar (c) list of items (d) title text -
31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Score card”
2. open “Edit photo”
3. open “Edit photo”
How many times must you tap Back to reach the main screen of this tab? -
32.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Confirm → Pay → Cart → Shop → Address
Design B: Home → Address → Menu → Search → Cart (a) Design A (b) Design B - 33.🎨 A beautiful app that confuses everyone has ___. (a) perfect UX (b) good UX but poor UI (c) no UI at all (d) good UI but poor UX
-
34.🖼️ How many parts (boxes) does this wireframe have?
[ Add button ]
[ big picture ]
[ top bar ]
[ list of items ]
[ menu icon ] - 35.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) hides extra links (d) shows 3 to 5 icons
- 36.✏️ Is this true of a wireframe or of a final design: shows where things go? (a) a final design (b) a wireframe
- 37.True or false: a wireframe is a quick sketch. (a) True (b) False
- 38.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
- 39.🔢 In a food-order flow, which comes FIRST? (a) pick a dish (b) track the order (c) open the menu (d) pay for the order
- 40.🔍 Which is the odd one out? (a) the font size (b) how easy sign-up is (c) how users feel after (d) how fast a task is done
Answer key
- Menu
- UX
- Help page
- True
- how fast a task is done
- menu icon
- open the camera screen
- so anyone can follow
- write a caption
- big touch targets
- True
- hard to read
- UX
- a final design
- 2
- see the final score
- 1
- Maths
- title text
- add a filter
- in the cloud
- sudden loud sounds
- Design B
- 1
- type name and email
- True
- Chat
- Feed
- how fast a task is done
- list of items
- 3
- Design B
- good UI but poor UX
- 5
- shows 3 to 5 icons
- a wireframe
- True
- makes it harder
- open the menu
- the font size
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students