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.🌗 Is light grey on white easy or hard to read on a button? (a) hard to read (b) easy to read
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2.🖼️ How many parts (boxes) does this wireframe have?
[ title text ]
[ top bar ]
[ filter buttons ]
[ Add button ]
[ big picture ] - 3.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
- 4.🎨 Who should you test the UX with? (a) real users (b) only yourself (c) nobody (d) the app icon
- 5.True or false: the screen layout is about UX (the experience). (a) True (b) False
- 6.🔘 Is this good or poor button design: icons with no meaning? (a) poor design (b) good design
- 7.🔀 A screen with no way forward or back is called a ___. (a) dead end (b) shortcut (c) tab bar (d) home screen
- 8.Which of these is about UX (the experience)? (a) the font size (b) the icon shapes (c) the button colours (d) whether users get lost
- 9.Which of these is true of a final design? (a) uses plain grey boxes (b) looks like the real app (c) is a quick sketch (d) shows where things go
- 10.Which of these is true of the back button? (a) shows 3 to 5 icons (b) switches main sections (c) opens a list of pages (d) goes to the last screen
- 11.Which of these is true of a final design? (a) is a quick sketch (b) shows where things go (c) uses plain grey boxes (d) shows the real fonts
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12.💾 What does this code show? (Positions start at 0.)
let friends = ["Aman", "Zoya", "Kabir", "Riya"];
show(friends[0]); (a) Aman (b) Riya (c) Kabir (d) Zoya - 13.✏️ What is a wireframe? (a) the finished app (b) a charging cable (c) a simple screen sketch (d) a type of password
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14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Edit photo”
2. open “Match report”
3. open “Map”
Which screen are you on now? (a) Match report (b) Feed (c) Edit photo (d) Map - 15.🔍 Which is the odd one out? (a) the button colours (b) how easy sign-up is (c) how fast a task is done (d) how users feel after
- 16.🔢 In a sign-up flow, what comes right after “open the app”? (a) type name and email (b) enter the code sent (c) tap “Sign up” (d) make a password
- 17.🔢 In a photo-post flow, which comes LAST? (a) open the camera screen (b) post the photo (c) write a caption (d) add a filter
- 18.True or false: a wireframe is a quick sketch. (a) False (b) True
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19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. tap the Settings tab
2. tap the Feed tab
3. open “Edit photo”
4. open “Match report”
5. tap Back
How many times must you tap Back to reach the main screen of this tab? - 20.True or false: photos on two devices fits saving on the phone. (a) False (b) True
- 21.🎨 UX stands for user ___. (a) express (b) example (c) extra (d) experience
- 22.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) the phone settings (c) a random page (d) that tab’s main screen
- 23.🌗 Is pale pink on white easy or hard to read on a button? (a) easy to read (b) hard to read
- 24.🔘 Is this good or poor button design: strong colour contrast? (a) poor design (b) good design
- 25.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
- 26.🔢 In a food-order flow, which comes LAST? (a) pay for the order (b) track the order (c) pick a dish (d) add it to the cart
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27.🖼️ How many parts (boxes) does this wireframe have?
[ big picture ]
[ search box ]
[ Add button ]
[ list of items ]
[ Save button ] - 28.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) takes photos (d) reads the screen aloud
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29.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Size → Results → Shop → Search → Pens
Design B: Home → Cart → Pay → Menu (a) Design A (b) Design B - 30.✏️ Is this true of a wireframe or of a final design: looks like the real app? (a) a final design (b) a wireframe
- 31.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a wireframe (b) a final design
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32.💾 pop() takes off the last item. What does this code show?
let songs = ["Rain", "Stars", "Monsoon", "Ocean", "Kites"];
songs.pop();
show(songs[songs.length - 1]); (a) Stars (b) Ocean (c) Rain (d) Monsoon - 33.Which of these is about UI (the look)? (a) how easy sign-up is (b) how users feel after (c) the button colours (d) how fast a task is done
- 34.🔀 What is a user flow? (a) a colour theme (b) the path through screens (c) a type of font (d) a charging cable
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35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Body text: 23 px
Title: 18 px
Menu: 21 px
Label: 10 px
Footer: 24 px - 36.✏️ Why draw a wireframe before coding? (a) it adds colours (b) it saves data (c) changes are quick (d) it runs the app
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37.🖼️ In this wireframe (top to bottom), what is right above the top bar?
[ big picture ]
[ tab bar ]
[ search box ]
[ list of items ]
[ Save button ]
[ top bar ] (a) search box (b) Save button (c) tab bar (d) list of items -
38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Edit photo”
2. tap Back
3. tap the Search tab
Which screen are you on now? (a) Search (b) Edit photo (c) Profile (d) Home - 39.Which of these is true of a menu button? (a) goes to the last screen (b) sits at the bottom (c) shows 3 to 5 icons (d) opens a list of pages
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40.💾 What does this code show? (Positions start at 0.)
let friends = ["Arjun", "Riya", "Meera"];
show(friends[2]); (a) Riya (b) Meera (c) Arjun
Answer key
- hard to read
- 5
- the back button
- real users
- False
- poor design
- dead end
- whether users get lost
- looks like the real app
- goes to the last screen
- shows the real fonts
- Aman
- a simple screen sketch
- Map
- the button colours
- tap “Sign up”
- post the photo
- True
- 1
- False
- experience
- that tab’s main screen
- hard to read
- good design
- a tab bar
- track the order
- 5
- reads the screen aloud
- Design B
- a final design
- a wireframe
- Ocean
- the button colours
- the path through screens
- 1
- changes are quick
- Save button
- Search
- opens a list of pages
- Meera
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students