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 wireframe? (a) has the real colours (b) shows the real fonts (c) is a quick sketch (d) uses the final pictures
- 2.🔘 Is this good or poor button design: a clear word like Save? (a) poor design (b) good design
- 3.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
- 4.🔍 Which is the odd one out? (a) how users feel after (b) the screen layout (c) how fast a task is done (d) whether users get lost
- 5.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
- 6.💾 Saving data in the cloud lets you ___. (a) use it on any device (b) shrink the app (c) never need a password (d) skip the internet
- 7.🎨 Is this about UI or UX: how users feel after? (a) UX (b) UI
-
8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. tap the Search tab
2. tap the Home tab
3. open “Match report”
How many times must you tap Back to reach the main screen of this tab? - 9.🔢 In a sign-up flow, which comes first: “enter the code sent” or “type name and email”? (a) type name and email (b) enter the code sent
- 10.True or false: the theme colours is about UX (the experience). (a) True (b) False
- 11.💾 Where should the app save a draft you are typing: on the phone or in the cloud? (a) in the cloud (b) on the phone
- 12.🔢 In a quiz-app flow, which comes first: “see the final score” or “pick an answer”? (a) see the final score (b) pick an answer
- 13.Which of these is true of a final design? (a) is a quick sketch (b) has the real colours (c) shows where things go (d) has no real colours
-
14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Footer: 15 px
Title: 10 px
Hint: 16 px
Body text: 10 px
Menu: 13 px -
15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Score card”
2. open “Score card”
3. tap Back
Which screen are you on now? (a) Feed (b) Settings (c) Score card (d) Chat - 16.💾 Which can hold many values in order? (a) a button (b) a single number (c) a switch (d) a list
- 17.🔘 Our rule: buttons are at least 48 px tall. The Done button is 28 px tall. How many px taller must it be?
- 18.True or false: a clear word like Save is poor button design. (a) True (b) False
- 19.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
-
20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Help page”
2. open “Edit photo”
3. tap the Home tab
How many times must you tap Back to reach the main screen of this tab? - 21.🎨 UI stands for user ___. (a) idea (b) internet (c) interface (d) input
- 22.🔀 What is a user flow? (a) a type of font (b) the path through screens (c) a colour theme (d) a charging cable
- 23.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
- 24.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
- 25.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
-
26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Help page”
2. tap Back
3. open “Map”
4. open “Match report”
How many times must you tap Back to reach the main screen of this tab? - 27.True or false: the icon shapes is about UI (the look). (a) True (b) False
- 28.True or false: buttons almost touching is good button design. (a) False (b) True
- 29.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) plays music (d) makes text tiny
- 30.True or false: your last game level fits saving in the cloud. (a) False (b) True
- 31.🌗 Is white on black easy or hard to read on a button? (a) hard to read (b) easy to read
- 32.✏️ Is this true of a wireframe or of a final design: shows where things go? (a) a wireframe (b) a final design
-
33.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Offers → Pens → Pay → Results → Search → Address
Design B: Home → Cart → Menu → Pens → Shop (a) Design B (b) Design A - 34.🔍 Which is the odd one out? (a) the icon shapes (b) how many taps it takes (c) the font size (d) the screen layout
- 35.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
- 36.True or false: a final design shows where things go. (a) False (b) True
- 37.Which of these fits saving in the cloud? (a) the sound on/off setting (b) notes to read offline (c) your last game level (d) chat messages to friends
- 38.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) sudden loud sounds (d) strong colour contrast
-
39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Edit photo”
2. tap Back
3. open “Map”
4. tap the Quiz tab
5. open “Edit photo”
Which screen are you on now? (a) Edit photo (b) Lessons (c) Map (d) Quiz -
40.🖼️ How many parts (boxes) does this wireframe have?
[ Add button ]
[ title text ]
[ filter buttons ]
[ search box ]
[ top bar ]
[ menu icon ]
Answer key
- is a quick sketch
- good design
- a tab bar
- the screen layout
- a final design
- use it on any device
- UX
- 1
- type name and email
- False
- on the phone
- pick an answer
- has the real colours
- 4
- Score card
- a list
- 20
- False
- No
- 0
- interface
- the path through screens
- helps everyone
- 10
- 1
- 2
- True
- False
- reads the screen aloud
- False
- easy to read
- a wireframe
- Design B
- how many taps it takes
- a menu button
- False
- chat messages to friends
- strong colour contrast
- Edit photo
- 6
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students