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 Feed, Chat, Settings. You start on Feed, then:
1. open “Badges”
2. open “Edit photo”
3. tap the Feed tab
How many times must you tap Back to reach the main screen of this tab? -
2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Friend list”
2. open “Score card”
3. open “Map”
4. open “Map”
5. open “Match report”
How many times must you tap Back to reach the main screen of this tab? - 3.✏️ What is a wireframe? (a) a charging cable (b) a type of password (c) the finished app (d) a simple screen sketch
- 4.Which colour pair is hard to read? (a) light grey on white (b) white on dark green (c) black on pale grey (d) white on black
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5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. tap the Chat tab
2. open “Video”
3. open “Friend list”
4. tap the Feed tab
5. open “Video”
Which screen are you on now? (a) Chat (b) Feed (c) Video (d) Friend list - 6.🔢 In a food-order flow, which comes FIRST? (a) track the order (b) open the menu (c) pick a dish (d) pay for the order
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7.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Offers → Pens
Design B: Home → Results → Pay → Menu → Pens → Cart → Search (a) Design B (b) Design A - 8.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
- 9.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “read a question”? (a) read a question (b) tap “Start quiz”
- 10.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
- 11.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
- 12.🔘 Is this good or poor button design: space between buttons? (a) good design (b) poor design
- 13.🔢 In a sign-up flow, what comes right after “enter the code sent”? (a) open the app (b) see the home screen (c) type name and email (d) make a password
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14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. tap the Feed tab
2. open “Video”
3. open “Edit photo”
4. open “Help page”
Which screen are you on now? (a) Feed (b) Help page (c) Video (d) Edit photo - 15.True or false: a draft you are typing fits saving on the phone. (a) False (b) True
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16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. tap the Chat tab
2. open “Badges”
3. tap Back
4. open “Badges”
How many times must you tap Back to reach the main screen of this tab? -
17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. tap the Feed tab
2. tap the Settings tab
3. open “Badges”
4. tap the Feed tab
5. open “Map”
How many times must you tap Back to reach the main screen of this tab? - 18.💾 Which can hold many values in order? (a) a single number (b) a list (c) a switch (d) a button
- 19.Which of these is true of a final design? (a) has no real colours (b) has the real colours (c) is a quick sketch (d) uses plain grey boxes
- 20.Which of these fits saving on the phone? (a) your last game level (b) a class leaderboard (c) photos on two devices (d) chat messages to friends
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21.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Confirm → Size → Shop
Design B: Home → Address → Size - 22.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
- 23.True or false: photos on two devices fits saving in the cloud. (a) True (b) False
- 24.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
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25.🖼️ How many parts (boxes) does this wireframe have?
[ list of items ]
[ tab bar ]
[ filter buttons ]
[ search box ]
[ Add button ] -
26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Label: 27 px
Caption: 10 px
Body text: 17 px (a) Body text (b) Label (c) Caption - 27.🔀 Why plan the user flow before building? (a) to skip testing (b) so each step is clear (c) to add more taps (d) to hide the buttons
- 28.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) switches main sections (c) hides extra links (d) goes to the last screen
- 29.🔢 In a sign-up flow, what comes right after “type name and email”? (a) see the home screen (b) tap “Sign up” (c) open the app (d) make a password
- 30.🔢 In a photo-post flow, what comes right after “write a caption”? (a) add a filter (b) post the photo (c) open the camera screen (d) take the photo
- 31.✏️ Why draw a wireframe before coding? (a) it runs the app (b) changes are quick (c) it saves data (d) it adds colours
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32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Score card”
2. open “Badges”
3. tap the Quiz tab
4. open “Help page”
5. open “Friend list”
Which screen are you on now? (a) Badges (b) Score card (c) Help page (d) Friend list - 33.Which colour pair is hard to read? (a) white on dark green (b) pale pink on white (c) white on black (d) dark blue on white
- 34.🎨 Is this about UI or UX: how users feel after? (a) UI (b) UX
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35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Hint: 10 px
Title: 22 px
Label: 20 px (a) Title (b) Hint (c) Label - 36.🎨 Is this about UI or UX: the font size? (a) UX (b) UI
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37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Badges”
2. tap the Chat tab
3. open “Score card”
4. tap Back
5. open “Edit photo”
Which screen are you on now? (a) Edit photo (b) Badges (c) Score card (d) Feed -
38.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Shop → Offers → Size → Confirm → Menu → Item
Design B: Home → Menu → Shop → Item (a) Design A (b) Design B - 39.🌗 Is dark blue on black easy or hard to read on a button? (a) easy to read (b) hard to read
- 40.Which of these fits saving in the cloud? (a) your last game level (b) a draft you are typing (c) chat messages to friends (d) notes to read offline
Answer key
- 0
- 5
- a simple screen sketch
- light grey on white
- Video
- open the menu
- Design A
- makes it harder
- tap “Start quiz”
- a tab bar
- a final design
- good design
- see the home screen
- Help page
- True
- 1
- 1
- a list
- has the real colours
- your last game level
- 1
- helps everyone
- True
- 3
- 5
- Caption
- so each step is clear
- hides extra links
- make a password
- post the photo
- changes are quick
- Friend list
- pale pink on white
- UX
- Hint
- UI
- Edit photo
- Design B
- hard to read
- chat messages to friends
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students