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) icons with no labels (c) labels on every icon (d) captions on videos
- 2.Which of these fits saving on the phone? (a) a class leaderboard (b) your last game level (c) photos on two devices (d) chat messages to friends
- 3.🔢 In a sign-up flow, what comes right after “tap “Sign up””? (a) enter the code sent (b) type name and email (c) make a password (d) open the app
- 4.🔢 In a quiz-app flow, what comes right after “tap “Start quiz””? (a) see if it is right (b) read a question (c) pick an answer (d) see the final score
- 5.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) colour-blind users (c) fast typists (d) the server
- 6.🔢 In a food-order flow, which comes LAST? (a) add it to the cart (b) pick a dish (c) track the order (d) open the menu
- 7.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) takes photos (d) makes text tiny
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8.🖼️ In this wireframe (top to bottom), what is right below the title text?
[ title text ]
[ list of items ]
[ top bar ]
[ filter buttons ] (a) top bar (b) list of items (c) filter buttons - 9.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) in the middle (c) nowhere (d) at the bottom
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10.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Cart → Results → Shop → Address → Size → Search
Design B: Home → Offers → Pens → Search → Size - 11.True or false: the theme colours is about UX (the experience). (a) False (b) True
- 12.Which of these helps everyone use the app? (a) strong colour contrast (b) tiny tap areas (c) sudden loud sounds (d) colour as the only clue
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13.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Menu → Cart → Item → Pay → Offers
Design B: Home → Address → Pay → Offers → Menu (a) Design A (b) Design B - 14.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
- 15.True or false: the font size is about UI (the look). (a) True (b) False
- 16.🌗 Is red on green easy or hard to read on a button? (a) hard to read (b) easy to read
- 17.True or false: a tiny 20 px button is good button design. (a) False (b) True
- 18.True or false: a final design uses plain grey boxes. (a) False (b) True
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19.🖼️ How many parts (boxes) does this wireframe have?
[ Add button ]
[ search box ]
[ list of items ]
[ Save button ] - 20.🔍 Which is the odd one out? (a) the font size (b) the button colours (c) the theme colours (d) how users feel after
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21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. tap the Feed tab
2. tap the Settings tab
3. open “Map”
4. open “Match report”
5. open “Video”
Which screen are you on now? (a) Map (b) Match report (c) Video (d) Feed - 22.Which of these is about UI (the look)? (a) the button colours (b) how many taps it takes (c) how easy sign-up is (d) how fast a task is done
- 23.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
- 24.🔀 What is a user flow? (a) a colour theme (b) a charging cable (c) a type of font (d) the path through screens
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25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Friend list”
2. tap Back
3. open “Edit photo”
4. open “Video”
5. open “Friend list”
Which screen are you on now? (a) Friend list (b) Video (c) Edit photo (d) Lessons - 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). Which needs FEWER taps?
Design A: Home → Pens → Pay → Confirm
Design B: Home → Shop → Offers → Search → Size (a) Design B (b) Design A - 28.🔢 In a photo-post flow, what comes right after “add a filter”? (a) post the photo (b) write a caption (c) take the photo (d) open the camera screen
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29.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ list of items ]
[ menu icon ]
[ title text ]
[ tab bar ]
[ top bar ]
[ Save button ] (a) title text (b) top bar (c) list of items (d) Save button - 30.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) on the phone (b) in the cloud
- 31.Which of these fits saving in the cloud? (a) a class leaderboard (b) a draft you are typing (c) notes to read offline (d) your last game level
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32.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Cart → Pay
Design B: Home → Cart → Menu → Pens → Item → Confirm (a) Design A (b) Design B - 33.🎨 Is this about UI or UX: how easy sign-up is? (a) UI (b) UX
- 34.🔢 In a food-order flow, what comes right after “add it to the cart”? (a) pick a dish (b) open the menu (c) track the order (d) check the cart
-
35.🖼️ In this wireframe (top to bottom), what is right above the list of items?
[ filter buttons ]
[ list of items ]
[ title text ]
[ Save button ]
[ menu icon ] (a) title text (b) menu icon (c) filter buttons (d) Save button -
36.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
Back button: 40 px tall
Next button: 56 px tall
Send button: 40 px tall
Start button: 56 px tall - 37.True or false: how easy sign-up is is about UI (the look). (a) True (b) False
- 38.Which of these fits saving in the cloud? (a) photos on two devices (b) notes to read offline (c) a draft you are typing (d) your last game level
- 39.🔘 Is this good or poor button design: a clear word like Save? (a) good design (b) poor design
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40.💾 What number does this code show?
let friends = ["Meera", "Kabir"];
friends.push("Riya");
friends.push("Zoya");
show(friends.length);
Answer key
- icons with no labels
- your last game level
- type name and email
- read a question
- colour-blind users
- track the order
- reads the screen aloud
- list of items
- at the bottom
- 6
- False
- strong colour contrast
- Design B
- 4
- True
- hard to read
- False
- False
- 4
- how users feel after
- Video
- the button colours
- a tab bar
- the path through screens
- Friend list
- False
- Design A
- write a caption
- Save button
- in the cloud
- a class leaderboard
- Design A
- UX
- check the cart
- filter buttons
- 2
- False
- photos on two devices
- good design
- 4
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students