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