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