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
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1.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Map”
2. tap the Search tab
3. open “Map”
4. open “Match report”
Which screen are you on now? (a) Match report (b) Map (c) Search (d) Home - 2.True or false: the sound on/off setting fits saving on the phone. (a) False (b) True
- 3.Which of these fits saving in the cloud? (a) the sound on/off setting (b) a class leaderboard (c) a draft you are typing (d) notes to read offline
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4.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
Design A: Home → Address → Item → Offers → Pay
Design B: Home → Menu → Search - 5.🔢 In a sign-up flow, which comes LAST? (a) tap “Sign up” (b) type name and email (c) enter the code sent (d) see the home screen
- 6.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
- 7.True or false: photos on two devices fits saving in the cloud. (a) False (b) True
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8.🖼️ How many parts (boxes) does this wireframe have?
[ big picture ]
[ filter buttons ]
[ Save button ]
[ menu icon ]
[ title text ]
[ Add button ] - 9.✏️ Is this true of a wireframe or of a final design: looks like the real app? (a) a final design (b) a wireframe
- 10.Which of these is true of a final design? (a) is a quick sketch (b) looks like the real app (c) has no real colours (d) uses plain grey boxes
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11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. tap the Me tab
2. open “Help page”
3. open “Edit photo”
4. tap Back
5. tap Back
How many times must you tap Back to reach the main screen of this tab? -
12.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Item → Address
Design B: Home → Size → Offers → Pay → Pens -
13.🖼️ In this wireframe (top to bottom), what is right above the tab bar?
[ filter buttons ]
[ Save button ]
[ menu icon ]
[ tab bar ] (a) menu icon (b) Save button (c) filter buttons -
14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Menu: 14 px
Body text: 22 px
Title: 26 px (a) Body text (b) Title (c) Menu - 15.🔢 In a quiz-app flow, which comes LAST? (a) tap “Start quiz” (b) see the final score (c) see if it is right (d) read a question
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16.🖼️ How many parts (boxes) does this wireframe have?
[ filter buttons ]
[ menu icon ]
[ Save button ]
[ search box ]
[ top bar ] - 17.Which of these is true of a wireframe? (a) shows the real fonts (b) looks like the real app (c) has the real colours (d) is a quick sketch
- 18.🔢 In a food-order flow, what comes right after “check the cart”? (a) add it to the cart (b) pay for the order (c) open the menu (d) track the order
- 19.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
- 20.💾 Where should the app save a draft you are typing: on the phone or in the cloud? (a) on the phone (b) in the cloud
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21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. tap the Chat tab
2. tap the Feed tab
3. open “Friend list”
Which screen are you on now? (a) Chat (b) Settings (c) Feed (d) Friend list - 22.🔢 In a quiz-app flow, what comes right after “read a question”? (a) see the final score (b) pick an answer (c) tap “Start quiz” (d) see if it is right
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23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. tap the Lessons tab
2. open “Friend list”
3. tap the Lessons tab
4. tap the Me tab
How many times must you tap Back to reach the main screen of this tab? - 24.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a wireframe (b) a final design
- 25.🔘 Our rule: buttons are at least 48 px tall. The Help button is 24 px tall. How many px taller must it be?
- 26.✏️ Why draw a wireframe before coding? (a) it saves data (b) changes are quick (c) it adds colours (d) it runs the app
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27.💾 What number does this code show?
let songs = ["Sunrise", "Monsoon", "Ocean"];
songs.push("Rain");
show(songs.length); - 28.✏️ What is the easiest way to draw a first wireframe? (a) pencil and paper (b) a phone case (c) a 3D printer (d) a microphone
- 29.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to use more battery (c) to look busy (d) to hide the menu
- 30.✏️ Is this true of a wireframe or of a final design: shows where things go? (a) a wireframe (b) a final design
- 31.🔢 In a sign-up flow, which comes first: “make a password” or “type name and email”? (a) make a password (b) type name and email
- 32.🔀 A screen with no way forward or back is called a ___. (a) dead end (b) shortcut (c) home screen (d) tab bar
- 33.🔘 Our rule: buttons are at least 48 px tall. The Start button is 32 px tall. How many px taller must it be?
- 34.Which of these is about UX (the experience)? (a) how many taps it takes (b) the font size (c) the icon shapes (d) the screen layout
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35.🖼️ How many parts (boxes) does this wireframe have?
[ big picture ]
[ search box ]
[ Save button ]
[ Add button ]
[ top bar ]
[ list of items ] -
36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Badges”
2. open “Match report”
3. open “Score card”
How many times must you tap Back to reach the main screen of this tab? - 37.🔢 In a photo-post flow, what comes right after “open the camera screen”? (a) post the photo (b) take the photo (c) write a caption (d) add a filter
- 38.Which of these helps everyone use the app? (a) colour as the only clue (b) text that can grow (c) icons with no labels (d) fast-flashing lights
- 39.🔢 In a quiz-app flow, which comes first: “see if it is right” or “read a question”? (a) read a question (b) see if it is right
- 40.🔢 In a photo-post flow, what comes right after “take the photo”? (a) post the photo (b) add a filter (c) write a caption (d) open the camera screen
Answer key
- Match report
- True
- a class leaderboard
- 2
- see the home screen
- False
- True
- 6
- a final design
- looks like the real app
- 0
- 2
- menu icon
- Menu
- see the final score
- 5
- is a quick sketch
- pay for the order
- helps everyone
- on the phone
- Friend list
- pick an answer
- 0
- a final design
- 24
- changes are quick
- 4
- pencil and paper
- so users do not get lost
- a wireframe
- type name and email
- dead end
- 16
- how many taps it takes
- 6
- 3
- take the photo
- text that can grow
- read a question
- add a filter
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students