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