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.True or false: a wireframe shows the real fonts. (a) False (b) True
- 2.True or false: space between buttons is good button design. (a) True (b) False
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3.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Search → Pay → Size → Offers
Design B: Home → Results → Pens - 4.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
- 5.✏️ What is the easiest way to draw a first wireframe? (a) a 3D printer (b) a microphone (c) pencil and paper (d) a phone case
- 6.Which of these is about UX (the experience)? (a) how easy sign-up is (b) the icon shapes (c) the button colours (d) the theme colours
- 7.🔢 In a quiz-app flow, which comes first: “see if it is right” or “see the final score”? (a) see if it is right (b) see the final score
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8.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
Save button: 36 px tall
Cancel button: 60 px tall
Next button: 48 px tall (a) Next (b) Cancel (c) Save - 9.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 24 px tall. How many px taller must it be?
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10.💾 pop() takes off the last item. What does this code show?
let friends = ["Kabir", "Meera", "Riya"];
friends.pop();
show(friends[friends.length - 1]); (a) Meera (b) Riya (c) Kabir - 11.Which of these is true of a final design? (a) has no real colours (b) looks like the real app (c) uses plain grey boxes (d) shows where things go
- 12.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) at the bottom (c) nowhere (d) inside a button
- 13.True or false: a draft you are typing fits saving on the phone. (a) False (b) True
- 14.🔘 Our rule: buttons are at least 48 px tall. The Send button is 44 px tall. How many px taller must it be?
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15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. tap the Feed tab
2. open “Match report”
3. tap the Feed tab
Which screen are you on now? (a) Feed (b) Chat (c) Match report (d) Settings - 16.🔢 In a photo-post flow, which comes FIRST? (a) add a filter (b) write a caption (c) open the camera screen (d) take the photo
- 17.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
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18.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
Design A: Home → Pens → Search
Design B: Home → Confirm → Item → Pens → Address - 19.🔢 In a food-order flow, what comes right after “add it to the cart”? (a) open the menu (b) track the order (c) check the cart (d) pay for the order
- 20.True or false: photos on two devices fits saving in the cloud. (a) True (b) False
- 21.🔢 In a sign-up flow, what comes right after “open the app”? (a) make a password (b) see the home screen (c) tap “Sign up” (d) enter the code sent
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22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Friend list”
2. tap Back
3. tap the Home tab
4. tap the Search tab
5. tap the Profile tab
Which screen are you on now? (a) Friend list (b) Search (c) Home (d) Profile - 23.💾 Where should the app save a shared to-do list: on the phone or in the cloud? (a) on the phone (b) in the cloud
- 24.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
- 25.🔀 Why plan the user flow before building? (a) so each step is clear (b) to skip testing (c) to hide the buttons (d) to add more taps
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26.🖼️ In this wireframe (top to bottom), what is right below the filter buttons?
[ top bar ]
[ menu icon ]
[ list of items ]
[ filter buttons ]
[ title text ]
[ Add button ] (a) top bar (b) menu icon (c) list of items (d) title text -
27.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Size → Pens → Cart → Shop → Results
Design B: Home → Offers → Size → Results → Address - 28.🔍 Which is the odd one out? (a) text that can grow (b) colour as the only clue (c) tiny tap areas (d) sudden loud sounds
- 29.🎨 Who should you test the UX with? (a) the app icon (b) nobody (c) only yourself (d) real users
- 30.True or false: a final design is a quick sketch. (a) False (b) True
- 31.🔢 In a quiz-app flow, which comes LAST? (a) tap “Start quiz” (b) see if it is right (c) see the final score (d) read a question
- 32.🔍 Which is the odd one out? (a) labels on every icon (b) sudden loud sounds (c) captions on videos (d) strong colour contrast
- 33.💾 Which can hold many values in order? (a) a switch (b) a single number (c) a button (d) a list
- 34.Which of these is about UI (the look)? (a) how users feel after (b) whether users get lost (c) how easy sign-up is (d) the icon shapes
- 35.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
- 36.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
- 37.🔘 Is this good or poor button design: strong colour contrast? (a) good design (b) poor design
- 38.🎨 Is this about UI or UX: how easy sign-up is? (a) UX (b) UI
- 39.💾 Saving data in the cloud lets you ___. (a) skip the internet (b) never need a password (c) shrink the app (d) use it on any device
- 40.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “open the app”? (a) open the app (b) tap “Sign up”
Answer key
- False
- True
- 2
- helps everyone
- pencil and paper
- how easy sign-up is
- see if it is right
- Save
- 24
- Meera
- looks like the real app
- at the bottom
- True
- 4
- Feed
- open the camera screen
- True
- 4
- check the cart
- True
- tap “Sign up”
- Profile
- in the cloud
- False
- so each step is clear
- title text
- 5
- text that can grow
- real users
- False
- see the final score
- sudden loud sounds
- a list
- the icon shapes
- True
- a tab bar
- good design
- UX
- use it on any device
- open the app
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students