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