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.🔀 In a good flow, each screen should lead to ___. (a) a dead end (b) the same screen (c) a random page (d) a clear next step
- 2.True or false: the icon shapes is about UI (the look). (a) True (b) False
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3.🖼️ In this wireframe (top to bottom), what is right below the top bar?
[ Save button ]
[ search box ]
[ tab bar ]
[ big picture ]
[ top bar ]
[ Add button ] (a) search box (b) Save button (c) tab bar (d) Add button - 4.🎨 Is this about UI or UX: the button colours? (a) UI (b) UX
- 5.🔀 A screen with no way forward or back is called a ___. (a) tab bar (b) dead end (c) home screen (d) shortcut
- 6.🔢 In a photo-post flow, which comes LAST? (a) add a filter (b) post the photo (c) take the photo (d) open the camera screen
- 7.🎨 Who should you test the UX with? (a) real users (b) the app icon (c) only yourself (d) nobody
-
8.💾 What number does this code show?
let score = 6;
score = score - 2;
score = score + 5;
show(score); -
9.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
Send button: 36 px tall
Next button: 56 px tall
Save button: 60 px tall (a) Send (b) Next (c) Save - 10.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a final design (b) a wireframe
- 11.🔢 In a quiz-app flow, what comes right after “read a question”? (a) pick an answer (b) see if it is right (c) tap “Start quiz” (d) see the final score
- 12.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) nobody (d) everyone
-
13.🖼️ In this wireframe (top to bottom), what is right above the search box?
[ Save button ]
[ top bar ]
[ search box ]
[ menu icon ] (a) top bar (b) menu icon (c) Save button - 14.True or false: a final design uses plain grey boxes. (a) False (b) True
- 15.True or false: a final design shows where things go. (a) True (b) False
- 16.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) icons with no labels (d) labels on every icon
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17.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Results → Offers → Size
Design B: Home → Cart → Search → Address → Confirm → Shop - 18.Which colour pair is hard to read? (a) light grey on white (b) black on yellow (c) white on dark green (d) dark blue on white
- 19.🔢 In a sign-up flow, which comes first: “open the app” or “make a password”? (a) open the app (b) make a password
-
20.💾 What does this code show? (Positions start at 0.)
let friends = ["Aman", "Arjun", "Kabir"];
show(friends[0]); (a) Aman (b) Kabir (c) Arjun - 21.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 44 px tall. How many px taller must it be?
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22.🖼️ In this wireframe (top to bottom), what is right above the search box?
[ Save button ]
[ search box ]
[ filter buttons ]
[ top bar ] (a) Save button (b) filter buttons (c) top bar - 23.🔢 In a food-order flow, what comes right after “pay for the order”? (a) track the order (b) pick a dish (c) open the menu (d) add it to the cart
- 24.True or false: a wireframe uses plain grey boxes. (a) True (b) False
-
25.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ top bar ]
[ list of items ]
[ title text ]
[ Save button ]
[ big picture ]
[ tab bar ] (a) Save button (b) title text (c) top bar (d) tab bar - 26.🔢 In a sign-up flow, which comes FIRST? (a) open the app (b) make a password (c) enter the code sent (d) type name and email
- 27.🔢 In a photo-post flow, what comes right after “write a caption”? (a) take the photo (b) post the photo (c) open the camera screen (d) add a filter
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28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Caption: 10 px
Menu: 23 px
Label: 24 px
Title: 26 px
Hint: 24 px (a) Label (b) Menu (c) Title (d) Caption -
29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Match report”
2. tap the Feed tab
3. tap the Chat tab
4. open “Match report”
Which screen are you on now? (a) Chat (b) Match report (c) Settings (d) Feed - 30.🔍 Which is the odd one out? (a) how fast a task is done (b) whether users get lost (c) how easy sign-up is (d) the button colours
- 31.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a wireframe (b) a final design
- 32.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
- 33.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) fast-flashing lights (d) text that can grow
- 34.Which of these is true of a menu button? (a) hides extra links (b) switches main sections (c) sits at the bottom (d) shows 3 to 5 icons
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35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Footer: 14 px
Label: 17 px
Body text: 10 px - 36.🔢 In a quiz-app flow, which comes LAST? (a) tap “Start quiz” (b) see the final score (c) pick an answer (d) see if it is right
- 37.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) switches main sections (d) hides extra links
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38.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
Cancel button: 36 px tall
Done button: 44 px tall
Next button: 40 px tall
Help button: 32 px tall - 39.🔢 In a food-order flow, which comes first: “track the order” or “add it to the cart”? (a) add it to the cart (b) track the order
-
40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Menu: 14 px
Footer: 14 px
Title: 11 px
Caption: 12 px
Answer key
- a clear next step
- True
- Add button
- UI
- dead end
- post the photo
- real users
- 9
- Send
- a final design
- pick an answer
- everyone
- top bar
- False
- False
- icons with no labels
- 2
- light grey on white
- open the app
- Aman
- 4
- Save button
- track the order
- True
- tab bar
- open the app
- post the photo
- Caption
- Match report
- the button colours
- a wireframe
- makes it harder
- text that can grow
- hides extra links
- 2
- see the final score
- switches main sections
- 0
- add it to the cart
- 4
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students