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.🔢 In a sign-up flow, which comes FIRST? (a) make a password (b) open the app (c) see the home screen (d) enter the code sent
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2.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Pens → Address → Item → Pay → Results → Search
Design B: Home → Shop → Item → Menu → Pay → Cart -
3.🖼️ In this wireframe (top to bottom), what is right above the search box?
[ Save button ]
[ title text ]
[ search box ]
[ top bar ]
[ menu icon ] (a) menu icon (b) title text (c) top bar (d) Save button - 4.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
- 5.True or false: a big, easy tap area is good button design. (a) True (b) False
- 6.Which of these fits saving in the cloud? (a) notes to read offline (b) the sound on/off setting (c) a draft you are typing (d) photos on two devices
- 7.🔘 Is this good or poor button design: a clear word like Save? (a) poor design (b) good design
- 8.Which of these is about UX (the experience)? (a) the button colours (b) the icon shapes (c) the font size (d) whether users get lost
- 9.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) colour-blind users (d) the server
- 10.🌗 Is dark blue on white easy or hard to read on a button? (a) hard to read (b) easy to read
- 11.Which of these is true of a wireframe? (a) looks like the real app (b) shows where things go (c) uses the final pictures (d) shows the real fonts
- 12.Which of these is true of the back button? (a) switches main sections (b) opens a list of pages (c) sits at the bottom (d) undoes one move
- 13.🎨 Is this about UI or UX: how fast a task is done? (a) UX (b) UI
- 14.True or false: a class leaderboard fits saving on the phone. (a) True (b) False
- 15.Which of these is about UX (the experience)? (a) the icon shapes (b) how easy sign-up is (c) the font size (d) the button colours
- 16.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) that tab’s main screen (c) a random page (d) the phone settings
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17.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ search box ]
[ big picture ]
[ menu icon ]
[ filter buttons ]
[ Save button ]
[ tab bar ] (a) big picture (b) search box (c) tab bar (d) filter buttons -
18.🖼️ In this wireframe (top to bottom), what is right above the Add button?
[ Save button ]
[ Add button ]
[ search box ]
[ menu icon ] (a) menu icon (b) search box (c) Save button -
19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Score card”
2. tap the Search tab
3. open “Badges”
How many times must you tap Back to reach the main screen of this tab? - 20.✏️ What is the easiest way to draw a first wireframe? (a) a phone case (b) a 3D printer (c) pencil and paper (d) a microphone
- 21.True or false: a final design has no real colours. (a) True (b) False
- 22.Which of these is true of a final design? (a) uses plain grey boxes (b) shows the real fonts (c) has no real colours (d) shows where things go
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23.🖼️ In this wireframe (top to bottom), what is right above the big picture?
[ filter buttons ]
[ top bar ]
[ title text ]
[ big picture ]
[ search box ]
[ Save button ] (a) Save button (b) top bar (c) title text (d) search box - 24.True or false: a final design uses plain grey boxes. (a) True (b) False
- 25.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) in the middle (c) at the bottom (d) inside a button
- 26.Which of these is about UI (the look)? (a) how many taps it takes (b) the theme colours (c) whether users get lost (d) how fast a task is done
- 27.🔢 In a sign-up flow, what comes right after “open the app”? (a) tap “Sign up” (b) type name and email (c) enter the code sent (d) see the home screen
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28.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
Done button: 44 px tall
Cancel button: 40 px tall
Save button: 64 px tall - 29.🔢 In a food-order flow, which comes first: “pick a dish” or “check the cart”? (a) check the cart (b) pick a dish
- 30.🔍 Which is the odd one out? (a) the button colours (b) the screen layout (c) the theme colours (d) whether users get lost
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31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. tap the Quiz tab
2. tap the Lessons tab
3. open “Friend list”
4. tap Back
How many times must you tap Back to reach the main screen of this tab? - 32.🔘 Our rule: buttons are at least 48 px tall. The Send button is 44 px tall. How many px taller must it be?
- 33.✏️ A box with a cross in a wireframe usually means ___. (a) a closed app (b) delete this (c) a picture goes here (d) an error
- 34.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 32 px tall. How many px taller must it be?
- 35.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “see if it is right”? (a) tap “Start quiz” (b) see if it is right
- 36.Which colour pair is easy to read? (a) light grey on white (b) black on pale grey (c) yellow on white (d) red on green
- 37.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
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38.🖼️ In this wireframe (top to bottom), what is right above the Save button?
[ search box ]
[ tab bar ]
[ Save button ]
[ big picture ] (a) big picture (b) search box (c) tab bar - 39.Which of these is about UX (the experience)? (a) the button colours (b) the screen layout (c) how fast a task is done (d) the font size
- 40.🎨 Is this about UI or UX: the font size? (a) UI (b) UX
Answer key
- open the app
- 6
- title text
- False
- True
- photos on two devices
- good design
- whether users get lost
- colour-blind users
- easy to read
- shows where things go
- undoes one move
- UX
- False
- how easy sign-up is
- that tab’s main screen
- tab bar
- Save button
- 1
- pencil and paper
- False
- shows the real fonts
- title text
- False
- at the bottom
- the theme colours
- tap “Sign up”
- 1
- pick a dish
- whether users get lost
- 0
- 4
- a picture goes here
- 16
- tap “Start quiz”
- black on pale grey
- the back button
- tab bar
- how fast a task is done
- UI
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students