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 part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
- 2.🔢 In a photo-post flow, what comes right after “write a caption”? (a) add a filter (b) open the camera screen (c) take the photo (d) post the photo
- 3.Which of these is true of a menu button? (a) switches main sections (b) sits at the bottom (c) undoes one move (d) opens a list of pages
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4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Label: 18 px
Menu: 22 px
Caption: 14 px (a) Menu (b) Label (c) Caption - 5.Which of these is true of a final design? (a) uses plain grey boxes (b) has no real colours (c) shows where things go (d) looks like the real app
- 6.🔢 In a sign-up flow, which comes LAST? (a) tap “Sign up” (b) open the app (c) see the home screen (d) enter the code sent
- 7.🔍 Which is the odd one out? (a) the theme colours (b) how easy sign-up is (c) how fast a task is done (d) how many taps it takes
- 8.🔘 Is this good or poor button design: a clear word like Save? (a) good design (b) poor design
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9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Friend list”
2. tap the Lessons tab
3. tap the Quiz tab
4. tap the Me tab
5. open “Help page”
How many times must you tap Back to reach the main screen of this tab? - 10.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) opens a list of pages (d) sits at the bottom
- 11.True or false: how many taps it takes is about UI (the look). (a) True (b) False
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12.🖼️ In this wireframe (top to bottom), what is right above the search box?
[ big picture ]
[ search box ]
[ menu icon ]
[ filter buttons ] (a) filter buttons (b) big picture (c) menu icon - 13.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) fast-flashing lights (d) big touch targets
- 14.✏️ What is the easiest way to draw a first wireframe? (a) a 3D printer (b) a microphone (c) a phone case (d) pencil and paper
- 15.Which of these helps everyone use the app? (a) fast-flashing lights (b) text that can grow (c) icons with no labels (d) tiny tap areas
- 16.🔘 Is this good or poor button design: buttons almost touching? (a) good design (b) poor design
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17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Help page”
2. open “Help page”
3. open “Video”
4. tap Back
Which screen are you on now? (a) Feed (b) Help page (c) Chat (d) Video - 18.🔍 Which is the odd one out? (a) tiny tap areas (b) strong colour contrast (c) icons with no labels (d) colour as the only clue
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19.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
Help button: 56 px tall
Save button: 32 px tall
Done button: 48 px tall
Next button: 60 px tall (a) Next (b) Done (c) Help (d) Save - 20.Which of these is about UX (the experience)? (a) the button colours (b) the screen layout (c) the theme colours (d) how many taps it takes
- 21.Which colour pair is hard to read? (a) light grey on white (b) white on dark green (c) black on pale grey (d) dark blue on white
- 22.🔍 Which is the odd one out? (a) the screen layout (b) how many taps it takes (c) how users feel after (d) how easy sign-up is
- 23.True or false: grey text on grey is good button design. (a) True (b) False
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24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Hint: 23 px
Label: 26 px
Title: 12 px (a) Hint (b) Title (c) Label - 25.🔢 In a quiz-app flow, which comes FIRST? (a) tap “Start quiz” (b) pick an answer (c) see if it is right (d) read a question
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26.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
Help button: 36 px tall
Done button: 52 px tall
Send button: 56 px tall -
27.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Item → Menu → Address
Design B: Home → Results → Pay (a) Design B (b) Design A - 28.🎨 A beautiful app that confuses everyone has ___. (a) good UI but poor UX (b) good UX but poor UI (c) perfect UX (d) no UI at all
- 29.✏️ What is a wireframe? (a) a simple screen sketch (b) the finished app (c) a type of password (d) a charging cable
- 30.🎨 Who should you test the UX with? (a) nobody (b) real users (c) only yourself (d) the app icon
- 31.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) the phone settings (d) that tab’s main screen
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32.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
Cancel button: 52 px tall
Done button: 28 px tall
Help button: 48 px tall (a) Cancel (b) Help (c) Done -
33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Hint: 9 px
Body text: 20 px
Footer: 21 px
Caption: 27 px (a) Hint (b) Body text (c) Caption (d) Footer - 34.💾 Where should the app save the sound on/off setting: on the phone or in the cloud? (a) in the cloud (b) on the phone
- 35.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
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36.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
Next button: 56 px tall
Back button: 36 px tall
Start button: 60 px tall -
37.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Size → Menu → Shop → Search
Design B: Home → Pens → Cart → Shop - 38.🔢 In a sign-up flow, which comes FIRST? (a) make a password (b) type name and email (c) open the app (d) enter the code sent
- 39.🔀 What is a user flow? (a) a colour theme (b) the path through screens (c) a type of font (d) a charging cable
- 40.🌗 Is black on pale grey easy or hard to read on a button? (a) easy to read (b) hard to read
Answer key
- a menu button
- post the photo
- opens a list of pages
- Caption
- looks like the real app
- see the home screen
- the theme colours
- good design
- 1
- sits at the bottom
- False
- big picture
- big touch targets
- pencil and paper
- text that can grow
- poor design
- Help page
- strong colour contrast
- Save
- how many taps it takes
- light grey on white
- the screen layout
- False
- Title
- tap “Start quiz”
- 2
- Design B
- good UI but poor UX
- a simple screen sketch
- real users
- that tab’s main screen
- Done
- Hint
- on the phone
- False
- 2
- 4
- open the app
- the path through screens
- easy to read
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students