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) text that can grow (b) labels on every icon (c) fast-flashing lights (d) captions on videos
- 2.🔢 In a sign-up flow, what comes right after “enter the code sent”? (a) tap “Sign up” (b) make a password (c) see the home screen (d) type name and email
- 3.✏️ A box with a cross in a wireframe usually means ___. (a) delete this (b) an error (c) a closed app (d) a picture goes here
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4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Caption: 15 px
Hint: 15 px
Footer: 16 px -
5.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Menu → Item → Shop → Pens
Design B: Home → Cart → Search (a) Design B (b) Design A - 6.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
- 7.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) on the phone (b) in the cloud
- 8.🌗 Is red on green easy or hard to read on a button? (a) easy to read (b) hard to read
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9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Body text: 17 px
Menu: 13 px
Caption: 28 px
Label: 28 px (a) Label (b) Caption (c) Body text (d) Menu - 10.✏️ Do wireframes usually show the final colours? (a) No (b) Yes
- 11.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) makes text tiny (d) takes photos
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12.🖼️ How many parts (boxes) does this wireframe have?
[ menu icon ]
[ search box ]
[ big picture ]
[ list of items ]
[ Save button ] - 13.🎨 Is this about UI or UX: the screen layout? (a) UI (b) UX
- 14.🔢 In a photo-post flow, what comes right after “open the camera screen”? (a) write a caption (b) take the photo (c) post the photo (d) add a filter
- 15.🔀 In a good flow, each screen should lead to ___. (a) a random page (b) a clear next step (c) the same screen (d) a dead end
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16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Hint: 14 px
Label: 11 px
Caption: 12 px
Body text: 19 px
Menu: 11 px - 17.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
- 18.🔀 Why plan the user flow before building? (a) to hide the buttons (b) to skip testing (c) so each step is clear (d) to add more taps
- 19.True or false: how many taps it takes is about UX (the experience). (a) True (b) False
- 20.🔢 In a quiz-app flow, which comes LAST? (a) see if it is right (b) pick an answer (c) read a question (d) see the final score
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21.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Pay → Shop → Offers → Confirm → Pens → Item
Design B: Home → Cart → Address - 22.🔘 Our rule: buttons are at least 48 px tall. The Help button is 36 px tall. How many px taller must it be?
- 23.🔢 In a food-order flow, which comes first: “pick a dish” or “open the menu”? (a) open the menu (b) pick a dish
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24.🖼️ In this wireframe (top to bottom), what is right below the top bar?
[ top bar ]
[ big picture ]
[ filter buttons ]
[ list of items ] (a) filter buttons (b) list of items (c) big picture - 25.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
- 26.True or false: the icon shapes is about UX (the experience). (a) False (b) True
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27.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Confirm → Pens → Cart → Pay
Design B: Home → Confirm → Address → Cart → Pens → Shop - 28.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) sudden loud sounds (d) strong colour contrast
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29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Video”
2. tap the Home tab
3. open “Match report”
4. tap the Search tab
Which screen are you on now? (a) Video (b) Match report (c) Search (d) Home - 30.True or false: the sound on/off setting fits saving in the cloud. (a) False (b) True
- 31.🔢 In a quiz-app flow, which comes first: “pick an answer” or “see if it is right”? (a) pick an answer (b) see if it is right
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32.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Results → Confirm → Item
Design B: Home → Pens → Size → Confirm → Cart (a) Design A (b) Design B - 33.Which of these is true of a tab bar? (a) hides extra links (b) opens a list of pages (c) switches main sections (d) undoes one move
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34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Edit photo”
2. open “Score card”
3. open “Map”
4. tap the Chat tab
Which screen are you on now? (a) Chat (b) Score card (c) Map (d) Edit photo - 35.🔢 In a sign-up flow, which comes FIRST? (a) open the app (b) see the home screen (c) tap “Sign up” (d) make a password
- 36.🔢 In a quiz-app flow, what comes right after “tap “Start quiz””? (a) see the final score (b) pick an answer (c) read a question (d) see if it is right
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37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Title: 9 px
Footer: 18 px
Caption: 28 px (a) Footer (b) Title (c) Caption -
38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Match report”
2. open “Map”
3. open “Map”
Which screen are you on now? (a) Home (b) Search (c) Match report (d) Map -
39.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ top bar ]
[ menu icon ]
[ list of items ]
[ tab bar ]
[ big picture ]
[ filter buttons ] (a) list of items (b) top bar (c) big picture (d) filter buttons - 40.True or false: a final design has the real colours. (a) False (b) True
Answer key
- fast-flashing lights
- see the home screen
- a picture goes here
- 2
- Design B
- a menu button
- in the cloud
- hard to read
- Menu
- No
- reads the screen aloud
- 5
- UI
- take the photo
- a clear next step
- 4
- makes it harder
- so each step is clear
- True
- see the final score
- 4
- 12
- open the menu
- big picture
- a wireframe
- False
- 1
- sudden loud sounds
- Search
- False
- pick an answer
- Design A
- switches main sections
- Chat
- open the app
- read a question
- Title
- Map
- filter buttons
- True
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students