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