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 of these is true of a final design? (a) shows where things go (b) is a quick sketch (c) has the real colours (d) uses plain grey boxes
- 2.True or false: a final design is a quick sketch. (a) False (b) True
- 3.Which of these is true of a menu button? (a) undoes one move (b) switches main sections (c) shows 3 to 5 icons (d) opens a list of pages
- 4.Which of these fits saving on the phone? (a) photos on two devices (b) a shared to-do list (c) notes to read offline (d) a class leaderboard
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5.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ list of items ]
[ title text ]
[ Add button ]
[ top bar ]
[ search box ] (a) search box (b) top bar (c) title text (d) Add button - 6.🔍 Which is the odd one out? (a) how fast a task is done (b) how easy sign-up is (c) the theme colours (d) whether users get lost
- 7.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
- 8.🔢 In a sign-up flow, what comes right after “enter the code sent”? (a) type name and email (b) see the home screen (c) open the app (d) make a password
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9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Video”
2. open “Edit photo”
3. tap Back
4. open “Map”
How many times must you tap Back to reach the main screen of this tab? - 10.💾 In most code, the first item of a list is at position ___. (a) 10 (b) 0 (c) 1 (d) 2
- 11.🎨 Is this about UI or UX: the icon shapes? (a) UX (b) UI
- 12.Which of these is about UX (the experience)? (a) how fast a task is done (b) the button colours (c) the theme colours (d) the icon shapes
- 13.🔢 In a food-order flow, which comes FIRST? (a) add it to the cart (b) open the menu (c) track the order (d) pick a dish
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14.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
Design A: Home → Size → Results
Design B: Home → Item → Offers → Shop - 15.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a final design (b) a wireframe
- 16.🔢 In a photo-post flow, which comes FIRST? (a) open the camera screen (b) add a filter (c) take the photo (d) post the photo
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17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Match report”
2. tap the Home tab
3. open “Edit photo”
4. open “Edit photo”
Which screen are you on now? (a) Edit photo (b) Home (c) Match report (d) Search -
18.🖼️ In this wireframe (top to bottom), what is right above the top bar?
[ big picture ]
[ Add button ]
[ search box ]
[ list of items ]
[ top bar ] (a) list of items (b) search box (c) big picture (d) Add button - 19.Which colour pair is easy to read? (a) red on green (b) dark blue on white (c) light grey on white (d) pale pink on white
- 20.🔍 Which is the odd one out? (a) whether users get lost (b) the font size (c) the theme colours (d) the icon shapes
- 21.Which of these is about UX (the experience)? (a) the font size (b) the screen layout (c) the button colours (d) whether users get lost
- 22.🌗 Is white on dark green easy or hard to read on a button? (a) easy to read (b) hard to read
- 23.🔢 In a sign-up flow, which comes LAST? (a) open the app (b) make a password (c) see the home screen (d) type name and email
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24.💾 pop() takes off the last item. What does this code show?
let friends = ["Kabir", "Meera", "Aman", "Arjun"];
friends.pop();
show(friends[friends.length - 1]); (a) Meera (b) Arjun (c) Aman (d) Kabir - 25.True or false: space between buttons is good button design. (a) True (b) False
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26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Edit photo”
2. tap Back
3. open “Help page”
4. tap the Me tab
How many times must you tap Back to reach the main screen of this tab? - 27.Which of these is true of the back button? (a) undoes one move (b) opens a list of pages (c) sits at the bottom (d) switches main sections
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28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. tap the Lessons tab
2. tap the Lessons tab
3. open “Friend list”
4. tap Back
5. open “Edit photo”
How many times must you tap Back to reach the main screen of this tab? - 29.🧭 What does the back button usually do? (a) goes to the last screen (b) closes all apps (c) opens settings (d) deletes the page
- 30.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
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31.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Shop → Pens → Pay → Menu
Design B: Home → Cart → Pay (a) Design B (b) Design A - 32.✏️ Do wireframes usually show the final colours? (a) No (b) Yes
- 33.🔘 Our rule: buttons are at least 48 px tall. The Help button is 36 px tall. How many px taller must it be?
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34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Help page”
2. tap the Profile tab
3. open “Score card”
Which screen are you on now? (a) Help page (b) Score card (c) Search (d) Home - 35.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
- 36.🔍 Which is the odd one out? (a) how easy sign-up is (b) the screen layout (c) the theme colours (d) the icon shapes
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37.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
Start button: 24 px tall
Save button: 64 px tall
Next button: 48 px tall (a) Save (b) Start (c) Next -
38.🖼️ In this wireframe (top to bottom), what is right below the list of items?
[ top bar ]
[ filter buttons ]
[ search box ]
[ menu icon ]
[ list of items ]
[ tab bar ] (a) top bar (b) filter buttons (c) search box (d) tab bar - 39.🔍 Which is the odd one out? (a) strong colour contrast (b) colour as the only clue (c) sudden loud sounds (d) fast-flashing lights
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40.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
Design A: Home → Confirm → Menu → Search → Shop → Offers
Design B: Home → Search → Pens → Cart → Address
Answer key
- has the real colours
- False
- opens a list of pages
- notes to read offline
- search box
- the theme colours
- a menu button
- see the home screen
- 2
- 0
- UI
- how fast a task is done
- open the menu
- 3
- a wireframe
- open the camera screen
- Edit photo
- list of items
- dark blue on white
- whether users get lost
- whether users get lost
- easy to read
- see the home screen
- Aman
- True
- 0
- undoes one move
- 1
- goes to the last screen
- makes it harder
- Design B
- No
- 12
- Score card
- 1
- how easy sign-up is
- Start
- tab bar
- strong colour contrast
- 4
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students