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