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
- 1.🧩 What does a button do when you tap it? (a) starts an action (b) saves the battery (c) changes the phone (d) shows the time
- 2.🧩 In an app, what is a box to type a name? (a) data (b) a button (c) an input (d) a screen
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3.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Order Snacks
[button] Send
[button] Back
[button] Done
[text box] Name - 4.Which of these is a button? (a) the settings page (b) the game-over page (c) the log-in page (d) tap to Save
- 5.🧩 In an app, what is tap to Save? (a) an input (b) a button (c) a screen (d) data
- 6.🧩 In an app, what is a date picker? (a) a screen (b) a button (c) an input (d) data
- 7.🧩 Which input is best for choosing a volume level? (a) a title (b) a slider (c) a text box (d) a switch
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8.🧩 How many buttons does this app screen have?
[title] Settings
[button] Help
[text box] Notes
[button] Start
[button] Back -
9.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Order Snacks
[slider] Text size
[button] Cancel
[text box] Due date -
10.🧩 Which of these is a button on this screen?
[title] Settings
[button] Send
[text box] Email
[button] Next (a) Send (b) Email -
11.🧩 How many buttons does this app screen have?
[title] Add Homework
[text box] Notes
[button] Send -
12.🧩 How many buttons does this app screen have?
[title] Sign Up
[button] Help
[slider] Brightness
[button] Start
[button] Next
[text box] City
[text box] Phone - 13.True or false: a slider for volume is a screen. (a) False (b) True
- 14.🧩 Which input is best for typing your name? (a) a slider (b) a switch (c) a text box (d) a picture
- 15.Which of these is data? (a) tap to Start (b) the home page of an app (c) the log-in page (d) your high score
- 16.True or false: the settings page is a screen. (a) False (b) True
- 17.True or false: your saved notes is data. (a) False (b) True
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18.🧩 Which of these is a button on this screen?
[title] Add Homework
[text box] Due date
[button] Cancel
[button] Start
[button] Back (a) Cancel (b) Due date - 19.True or false: tap to Start is a screen. (a) False (b) True
- 20.True or false: a box to type a name is a button. (a) False (b) True
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21.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Settings
[button] Done
[text box] City
[slider] Brightness
[text box] Subject
[text box] Due date -
22.🧩 Which of these is a button on this screen?
[title] Settings
[text box] Email
[button] Start
[button] Cancel (a) Start (b) Email - 23.🧩 Which part lets the user give the app information? (a) a title (b) an icon (c) a logo (d) an input
- 24.Which of these is a screen? (a) your saved notes (b) tap to Send (c) the log-in page (d) tap to Save
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25.🧩 Which of these is a button on this screen?
[title] Add Homework
[switch] Sound
[button] Send
[text box] City (a) Sound (b) Send (c) City - 26.True or false: a box to type a name is an input. (a) True (b) False
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27.🧩 Which of these is a button on this screen?
[title] Settings
[button] Save
[switch] Show hints
[text box] Subject (a) Save (b) Show hints (c) Subject - 28.True or false: a switch for dark mode is a button. (a) False (b) True
- 29.Which of these is a button? (a) the game-over page (b) your high score (c) your friends list (d) tap to Start
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30.🧩 How many buttons does this app screen have?
[title] Add Homework
[text box] Notes
[slider] Brightness
[text box] Name
[text box] Phone
[button] Send - 31.🧩 In an app, what is today’s step count? (a) a screen (b) a button (c) an input (d) data
- 32.Which of these is data? (a) the log-in page (b) your friends list (c) a date picker (d) the home page of an app
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33.🧩 Which of these is a button on this screen?
[title] Edit Profile
[button] Cancel
[text box] Due date (a) Due date (b) Cancel -
34.🧩 Which of these is a button on this screen?
[title] New Note
[text box] Email
[button] Next
[text box] Subject
[button] Save
[slider] Text size
[text box] Phone (a) Subject (b) Save (c) Email (d) Phone -
35.🧩 Which of these is a button on this screen?
[title] Order Snacks
[button] Help
[text box] Phone
[switch] Show hints
[button] Back
[text box] Notes
[button] Next (a) Show hints (b) Phone (c) Notes (d) Next - 36.Which of these is data? (a) a slider for volume (b) a box to type a name (c) your saved notes (d) a date picker
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37.🧩 Which of these is a button on this screen?
[title] New Note
[text box] Name
[button] Done
[switch] Sound (a) Name (b) Sound (c) Done -
38.🧩 How many buttons does this app screen have?
[title] Sign Up
[switch] Dark mode
[button] Start
[text box] Subject
[button] Next
[text box] Due date
[text box] Email
[slider] Volume
[button] Done -
39.🧩 How many buttons does this app screen have?
[title] New Note
[button] Save
[button] Next
[text box] Subject
[button] Help
[slider] Brightness - 40.True or false: a slider for volume is an input. (a) True (b) False
Answer key
- starts an action
- an input
- 1
- tap to Save
- a button
- an input
- a slider
- 3
- 2
- Send
- 1
- 3
- False
- a text box
- your high score
- True
- True
- Cancel
- False
- False
- 4
- Start
- an input
- the log-in page
- Send
- True
- Save
- False
- tap to Start
- 1
- data
- your friends list
- Cancel
- Save
- Next
- your saved notes
- Done
- 3
- 3
- True
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students