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) open the app (c) see the home screen (d) type name and email
-
2.🖼️ In this wireframe (top to bottom), what is right above the list of items?
[ top bar ]
[ Save button ]
[ filter buttons ]
[ Add button ]
[ list of items ]
[ search box ] (a) search box (b) Add button (c) filter buttons (d) top bar - 3.🔍 Which is the odd one out? (a) icons with no labels (b) strong colour contrast (c) labels on every icon (d) captions on videos
- 4.Which of these makes the app harder to use? (a) tiny tap areas (b) captions on videos (c) labels on every icon (d) text that can grow
-
5.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Confirm → Item → Results
Design B: Home → Cart → Menu → Pay → Results - 6.Which of these fits saving on the phone? (a) photos on two devices (b) a class leaderboard (c) notes to read offline (d) chat messages to friends
-
7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Match report”
2. open “Match report”
3. tap the Lessons tab
4. open “Map”
How many times must you tap Back to reach the main screen of this tab? - 8.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) icons with no labels (d) text that can grow
- 9.🔢 In a sign-up flow, which comes FIRST? (a) type name and email (b) open the app (c) make a password (d) see the home screen
- 10.🔢 In a quiz-app flow, what comes right after “tap “Start quiz””? (a) see if it is right (b) see the final score (c) read a question (d) pick an answer
-
11.🖼️ In this wireframe (top to bottom), what is right above the title text?
[ Save button ]
[ title text ]
[ top bar ]
[ search box ] (a) search box (b) top bar (c) Save button - 12.Which of these fits saving in the cloud? (a) notes to read offline (b) a draft you are typing (c) a shared to-do list (d) your last game level
- 13.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
- 14.🎨 A beautiful app that confuses everyone has ___. (a) no UI at all (b) good UI but poor UX (c) good UX but poor UI (d) perfect UX
-
15.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ title text ]
[ tab bar ]
[ filter buttons ]
[ menu icon ] (a) tab bar (b) filter buttons (c) menu icon (d) title text - 16.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) big touch targets (d) tiny tap areas
- 17.🔍 Which is the odd one out? (a) the theme colours (b) whether users get lost (c) the icon shapes (d) the font size
- 18.🔢 In a photo-post flow, which comes first: “open the camera screen” or “take the photo”? (a) open the camera screen (b) take the photo
- 19.💾 Which works with no internet at all? (a) a shared chat (b) a cloud backup (c) data saved on the phone (d) a cloud leaderboard
- 20.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a wireframe (b) a final design
-
21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Body text: 16 px
Hint: 21 px
Caption: 17 px
Label: 20 px - 22.True or false: your last game level fits saving on the phone. (a) True (b) False
- 23.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
- 24.True or false: a draft you are typing fits saving on the phone. (a) True (b) False
-
25.💾 What does this code show? (Positions start at 0.)
let notes = ["Maths", "Hindi", "Sports"];
show(notes[1]); (a) Sports (b) Hindi (c) Maths -
26.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
Save button: 44 px tall
Cancel button: 40 px tall
Back button: 56 px tall -
27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. tap the Search tab
2. tap the Home tab
3. tap the Search tab
How many times must you tap Back to reach the main screen of this tab? -
28.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Confirm → Pay → Shop → Address → Pens → Results
Design B: Home → Results → Shop → Pens → Size - 29.🌗 Is dark blue on black easy or hard to read on a button? (a) easy to read (b) hard to read
-
30.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Menu → Address
Design B: Home → Shop → Size → Address → Confirm → Results → Pay (a) Design A (b) Design B - 31.Which colour pair is hard to read? (a) dark blue on white (b) red on green (c) white on black (d) white on dark green
-
32.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
Design A: Home → Item → Pay → Results → Size
Design B: Home → Pay → Pens → Search - 33.✏️ What is a wireframe? (a) a charging cable (b) the finished app (c) a type of password (d) a simple screen sketch
- 34.✏️ Why draw a wireframe before coding? (a) it adds colours (b) changes are quick (c) it saves data (d) it runs the app
- 35.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 20 px tall. How many px taller must it be?
-
36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Hint: 24 px
Body text: 19 px
Title: 22 px
Label: 24 px - 37.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) sudden loud sounds (d) labels on every icon
- 38.✏️ Is this true of a wireframe or of a final design: looks like the real app? (a) a wireframe (b) a final design
- 39.🔢 In a quiz-app flow, which comes LAST? (a) see the final score (b) see if it is right (c) pick an answer (d) tap “Start quiz”
-
40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Body text: 10 px
Footer: 17 px
Hint: 19 px
Menu: 24 px (a) Body text (b) Footer (c) Menu (d) Hint
Answer key
- type name and email
- Add button
- icons with no labels
- tiny tap areas
- 1
- notes to read offline
- 1
- text that can grow
- open the app
- read a question
- Save button
- a shared to-do list
- a wireframe
- good UI but poor UX
- menu icon
- tiny tap areas
- whether users get lost
- open the camera screen
- data saved on the phone
- a final design
- 0
- True
- a menu button
- True
- Hindi
- 1
- 0
- 2
- hard to read
- Design A
- red on green
- 3
- a simple screen sketch
- changes are quick
- 28
- 0
- sudden loud sounds
- a final design
- see the final score
- Body text
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students