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 LAST? (a) make a password (b) open the app (c) enter the code sent (d) see the home screen
- 2.🔍 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 users feel after
- 3.💾 Where should the app save a class leaderboard: on the phone or in the cloud? (a) on the phone (b) in the cloud
- 4.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
- 5.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
- 6.🔢 In a food-order flow, what comes right after “open the menu”? (a) track the order (b) pay for the order (c) pick a dish (d) add it to the cart
-
7.🖼️ In this wireframe (top to bottom), what is right below the list of items?
[ Add button ]
[ list of items ]
[ big picture ]
[ search box ] (a) Add button (b) search box (c) big picture - 8.🔘 Is this good or poor button design: a clear word like Save? (a) good design (b) poor design
-
9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Help page”
2. tap the Lessons tab
3. tap the Me tab
4. open “Video”
5. tap the Lessons tab
Which screen are you on now? (a) Quiz (b) Help page (c) Lessons (d) Video -
10.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Offers → Confirm
Design B: Home → Results → Confirm → Shop → Menu -
11.💾 pop() takes off the last item. What does this code show?
let songs = ["Rain", "Kites", "Stars", "Ocean", "Sunrise"];
songs.pop();
show(songs[songs.length - 1]); (a) Stars (b) Kites (c) Rain (d) Ocean - 12.🔢 In a sign-up flow, which comes FIRST? (a) tap “Sign up” (b) see the home screen (c) type name and email (d) open the app
-
13.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
Back button: 32 px tall
Done button: 44 px tall
Send button: 64 px tall
Save button: 36 px tall - 14.🔀 What is a user flow? (a) a type of font (b) a charging cable (c) a colour theme (d) the path through screens
- 15.🔢 In a sign-up flow, what comes right after “type name and email”? (a) make a password (b) tap “Sign up” (c) see the home screen (d) enter the code sent
- 16.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) undoes one move (c) sits at the bottom (d) opens a list of pages
-
17.💾 What number does this code show?
let notes = ["Maths", "Art"];
notes.push("Sports");
notes.push("Music");
show(notes.length); -
18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Body text: 24 px
Caption: 10 px
Title: 10 px -
19.🖼️ How many parts (boxes) does this wireframe have?
[ tab bar ]
[ title text ]
[ Save button ]
[ top bar ] - 20.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) strong colour contrast (d) icons with no labels
-
21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Title: 27 px
Label: 10 px
Body text: 21 px (a) Body text (b) Label (c) Title - 22.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
- 23.🔢 In a photo-post flow, which comes FIRST? (a) take the photo (b) write a caption (c) post the photo (d) open the camera screen
-
24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Title: 21 px
Body text: 19 px
Hint: 16 px
Caption: 14 px (a) Hint (b) Body text (c) Caption (d) Title -
25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Friend list”
2. tap the Chat tab
3. tap the Chat tab
Which screen are you on now? (a) Feed (b) Chat (c) Settings (d) Friend list - 26.🔢 In a sign-up flow, which comes first: “enter the code sent” or “see the home screen”? (a) see the home screen (b) enter the code sent
- 27.💾 What is a variable? (a) a picture (b) a named box for a value (c) a type of screen (d) a phone setting
- 28.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) dark blue on black (d) dark blue on white
- 29.Which of these is true of a wireframe? (a) uses the final pictures (b) looks like the real app (c) shows the real fonts (d) is a quick sketch
- 30.🔢 In a sign-up flow, what comes right after “make a password”? (a) enter the code sent (b) open the app (c) tap “Sign up” (d) see the home screen
- 31.🎨 Is this about UI or UX: how easy sign-up is? (a) UX (b) UI
- 32.🔢 In a photo-post flow, which comes LAST? (a) add a filter (b) open the camera screen (c) post the photo (d) take the photo
- 33.🔢 In a quiz-app flow, what comes right after “read a question”? (a) see if it is right (b) tap “Start quiz” (c) see the final score (d) pick an answer
-
34.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Results → Pens → Cart → Menu → Search → Address
Design B: Home → Shop → Confirm -
35.🖼️ In this wireframe (top to bottom), what is right above the list of items?
[ menu icon ]
[ list of items ]
[ Save button ]
[ search box ] (a) menu icon (b) search box (c) Save button - 36.🎨 Is this about UI or UX: whether users get lost? (a) UI (b) UX
- 37.Which of these helps everyone use the app? (a) sudden loud sounds (b) captions on videos (c) tiny tap areas (d) fast-flashing lights
-
38.🖼️ In this wireframe (top to bottom), what is right above the filter buttons?
[ top bar ]
[ list of items ]
[ menu icon ]
[ Add button ]
[ Save button ]
[ filter buttons ] (a) Add button (b) menu icon (c) Save button (d) list of items - 39.💾 Which works with no internet at all? (a) a cloud backup (b) a shared chat (c) data saved on the phone (d) a cloud leaderboard
- 40.Which of these fits saving in the cloud? (a) photos on two devices (b) the sound on/off setting (c) notes to read offline (d) your last game level
Answer key
- see the home screen
- the theme colours
- in the cloud
- a wireframe
- No
- pick a dish
- big picture
- good design
- Lessons
- 2
- Ocean
- open the app
- 1
- the path through screens
- make a password
- opens a list of pages
- 4
- 2
- 4
- icons with no labels
- Label
- a final design
- open the camera screen
- Caption
- Chat
- enter the code sent
- a named box for a value
- dark blue on white
- is a quick sketch
- enter the code sent
- UX
- post the photo
- pick an answer
- 6
- menu icon
- UX
- captions on videos
- Save button
- data saved on the phone
- photos on two devices
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students