App Dev Worksheet: Parts of an App
Developer's tip (Screen, tap, type, keep): A screen is one page of the app; a button starts an action. Inputs take information: text box (typing), switch (on / off), slider (a level), date picker. Data is what the app keeps: notes, scores, settings, lists.
NameDateTime takenScore ___ / 40
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1.🧩 Which of these is a button on this screen?
[title] New Note
[text box] Subject
[button] Cancel
[slider] Volume (a) Subject (b) Cancel (c) Volume - 2.🧩 In an app, what is a switch for dark mode? (a) data (b) a screen (c) an input (d) a button
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3.🧩 Which of these is a button on this screen?
[title] Settings
[button] Start
[text box] Age
[text box] City
[switch] Sound
[button] Save (a) Sound (b) Age (c) City (d) Save - 4.🧩 In an app, what is tap to go Next? (a) an input (b) data (c) a screen (d) a button
- 5.🧩 Which input is best for turning something ON or OFF? (a) a title (b) a text box (c) a switch (d) a slider
- 6.True or false: a slider for volume is an input. (a) False (b) True
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7.🧩 How many buttons does this app screen have?
[title] Add Homework
[text box] Email
[button] Send
[button] Save
[button] Next -
8.🧩 How many buttons does this app screen have?
[title] Add Homework
[button] Done
[slider] Brightness
[text box] City
[text box] Age
[button] Next -
9.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Sign Up
[text box] Subject
[button] Cancel
[button] Start
[text box] Age
[button] Done -
10.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Add Homework
[text box] Age
[button] Save
[slider] Volume
[text box] Name
[text box] City - 11.Which of these is a screen? (a) a slider for volume (b) the home page of an app (c) a date picker (d) tap to go Next
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12.🧩 Which of these is a button on this screen?
[title] Sign Up
[switch] Remind me
[slider] Volume
[text box] Phone
[button] Cancel
[text box] Age
[button] Save (a) Age (b) Remind me (c) Phone (d) Cancel -
13.🧩 How many buttons does this app screen have?
[title] Order Snacks
[text box] Age
[text box] City
[button] Help
[button] Save
[button] Start
[slider] Brightness - 14.Which of these is a screen? (a) a slider for volume (b) tap to Start (c) the log-in page (d) a box to type a name
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15.🧩 Which of these is a button on this screen?
[title] Add Homework
[text box] City
[button] Save
[switch] Show hints
[button] Help
[text box] Due date (a) Show hints (b) Save (c) Due date (d) City - 16.🧩 Which input is best for choosing a volume level? (a) a switch (b) a text box (c) a slider (d) a title
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17.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Add Homework
[switch] Sound
[button] Back
[button] Cancel
[text box] City
[text box] Age
[text box] Name -
18.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Settings
[text box] Phone
[button] Next
[text box] Name
[text box] Email
[switch] Remind me - 19.Which of these is data? (a) tap to Start (b) the home page of an app (c) your high score (d) a slider for volume
- 20.Which of these is data? (a) the game-over page (b) your saved notes (c) tap to Save (d) the settings page
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21.🧩 Which of these is a button on this screen?
[title] Sign Up
[button] Back
[text box] Phone (a) Phone (b) Back -
22.🧩 How many buttons does this app screen have?
[title] Settings
[text box] Due date
[slider] Volume
[button] Next
[button] Send
[button] Save
[switch] Show hints -
23.🧩 How many buttons does this app screen have?
[title] Settings
[text box] Due date
[button] Help
[button] Done
[text box] Notes
[text box] City -
24.🧩 Which of these is a button on this screen?
[title] Edit Profile
[switch] Sound
[button] Help
[text box] Due date
[text box] Age
[slider] Volume
[text box] City (a) City (b) Due date (c) Help (d) Age -
25.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Add Homework
[slider] Text size
[switch] Show hints
[text box] Email
[button] Done -
26.🧩 How many buttons does this app screen have?
[title] Sign Up
[button] Start
[switch] Sound
[slider] Text size
[text box] Subject - 27.Which of these is an input? (a) your friends list (b) today’s step count (c) your high score (d) a slider for volume
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28.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Edit Profile
[slider] Text size
[text box] Email
[text box] Age
[button] Done -
29.🧩 Which of these is a button on this screen?
[title] Edit Profile
[text box] Email
[text box] Name
[button] Send
[text box] City (a) Send (b) City (c) Email (d) Name - 30.True or false: a slider for volume is a button. (a) False (b) True
- 31.🧩 Which input is best for typing your name? (a) a picture (b) a slider (c) a text box (d) a switch
- 32.🧩 In an app, what is the home page of an app? (a) an input (b) data (c) a button (d) a screen
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33.🧩 Which of these is a button on this screen?
[title] Edit Profile
[text box] Email
[button] Save
[text box] City
[button] Done
[text box] Age (a) Email (b) Done (c) City (d) Age -
34.🧩 How many buttons does this app screen have?
[title] Add Homework
[text box] Age
[button] Cancel
[button] Next
[slider] Text size - 35.🧩 In an app, what is the log-in page? (a) a button (b) data (c) an input (d) a screen
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36.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Sign Up
[button] Done
[button] Cancel
[slider] Volume
[text box] Name
[text box] Subject -
37.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Add Homework
[button] Back
[text box] Phone
[text box] Notes
[button] Help
[text box] Name
[slider] Volume
[button] Done -
38.🧩 How many buttons does this app screen have?
[title] Settings
[button] Done
[switch] Remind me
[text box] Phone
[button] Save
[button] Next -
39.🧩 Which of these is a button on this screen?
[title] Settings
[button] Start
[button] Help
[slider] Text size
[text box] Phone (a) Text size (b) Phone (c) Help -
40.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] New Note
[button] Save
[button] Back
[slider] Volume
[text box] Due date
[switch] Dark mode
[text box] Email
[text box] Name
Answer key
- Cancel
- an input
- Save
- a button
- a switch
- True
- 3
- 2
- 2
- 4
- the home page of an app
- Cancel
- 3
- the log-in page
- Save
- a slider
- 4
- 4
- your high score
- your saved notes
- Back
- 3
- 2
- Help
- 3
- 1
- a slider for volume
- 3
- Send
- False
- a text box
- a screen
- Done
- 2
- a screen
- 3
- 4
- 3
- Help
- 5
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students