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, what comes right after “tap “Sign up””? (a) enter the code sent (b) type name and email (c) open the app (d) see the home screen
- 2.🔢 In a photo-post flow, what comes right after “add a filter”? (a) open the camera screen (b) post the photo (c) take the photo (d) write a caption
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3.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ title text ]
[ Add button ]
[ filter buttons ]
[ menu icon ]
[ Save button ] (a) menu icon (b) filter buttons (c) title text (d) Save button - 4.✏️ What is a wireframe? (a) the finished app (b) a type of password (c) a simple screen sketch (d) a charging cable
- 5.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
- 6.Which of these is true of a tab bar? (a) goes to the last screen (b) switches main sections (c) opens a list of pages (d) undoes one move
- 7.True or false: a clear word like Save is poor button design. (a) False (b) True
- 8.🌗 Is light grey on white easy or hard to read on a button? (a) easy to read (b) hard to read
- 9.Which of these is true of a final design? (a) is a quick sketch (b) shows where things go (c) looks like the real app (d) has no real colours
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10.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
Cancel button: 52 px tall
Send button: 48 px tall
Save button: 24 px tall (a) Send (b) Cancel (c) Save - 11.True or false: the button colours is about UI (the look). (a) False (b) True
- 12.✏️ A box with a cross in a wireframe usually means ___. (a) delete this (b) an error (c) a closed app (d) a picture goes here
- 13.🎨 Fewer taps to finish a task usually means ___. (a) worse UX (b) a bigger app (c) better UX (d) more colours
- 14.🔢 In a food-order flow, which comes first: “check the cart” or “pay for the order”? (a) pay for the order (b) check the cart
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15.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
Design A: Home → Pay → Menu
Design B: Home → Search → Size → Shop → Confirm - 16.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) strong colour contrast (d) icons with no labels
- 17.Which of these is true of a final design? (a) uses plain grey boxes (b) shows where things go (c) is a quick sketch (d) has the real colours
- 18.Which colour pair is easy to read? (a) red on green (b) dark blue on black (c) white on dark green (d) light grey on white
- 19.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a final design (b) a wireframe
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20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Map”
2. tap Back
3. open “Friend list”
Which screen are you on now? (a) Friend list (b) Lessons (c) Quiz (d) Map - 21.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a final design (b) a wireframe
- 22.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) only experts (d) nobody
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23.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Size → Shop → Results → Cart → Confirm → Item
Design B: Home → Pens → Pay → Address → Results - 24.🔍 Which is the odd one out? (a) the screen layout (b) how users feel after (c) the button colours (d) the icon shapes
- 25.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
- 26.🔢 In a food-order flow, which comes first: “open the menu” or “pay for the order”? (a) pay for the order (b) open the menu
- 27.Which of these fits saving on the phone? (a) a class leaderboard (b) notes to read offline (c) photos on two devices (d) a shared to-do list
- 28.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
- 29.🔢 In a food-order flow, which comes first: “pick a dish” or “add it to the cart”? (a) pick a dish (b) add it to the cart
- 30.True or false: your last game level fits saving on the phone. (a) False (b) True
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31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Help page”
2. tap Back
3. tap the Home tab
Which screen are you on now? (a) Home (b) Help page (c) Search (d) Profile - 32.Which of these is true of a wireframe? (a) uses the final pictures (b) has the real colours (c) is a quick sketch (d) shows the real fonts
- 33.🔢 In a food-order flow, which comes FIRST? (a) add it to the cart (b) pay for the order (c) open the menu (d) track the order
- 34.Which of these helps everyone use the app? (a) icons with no labels (b) big touch targets (c) tiny tap areas (d) colour as the only clue
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35.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Address → Pens
Design B: Home → Address → Item → Menu - 36.Which of these is about UI (the look)? (a) whether users get lost (b) how fast a task is done (c) the font size (d) how many taps it takes
- 37.🎨 Is this about UI or UX: how users feel after? (a) UI (b) UX
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38.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
Save button: 56 px tall
Done button: 52 px tall
Back button: 32 px tall
Next button: 40 px tall - 39.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) deletes the page (d) opens settings
- 40.🔀 What is a user flow? (a) a type of font (b) a charging cable (c) a colour theme (d) the path through screens
Answer key
- type name and email
- write a caption
- Save button
- a simple screen sketch
- True
- switches main sections
- False
- hard to read
- looks like the real app
- Save
- True
- a picture goes here
- better UX
- check the cart
- 4
- strong colour contrast
- has the real colours
- white on dark green
- a wireframe
- Friend list
- a final design
- everyone
- 6
- how users feel after
- the back button
- open the menu
- notes to read offline
- a menu button
- pick a dish
- True
- Home
- is a quick sketch
- open the menu
- big touch targets
- 2
- the font size
- UX
- 2
- goes to the last screen
- the path through screens
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students