Describe the functions of the items found on a keyboard.

1. Letters and numbers: These keys are used to input text and numerical characters into a computer or device.

2. Function keys: These keys are typically labeled F1 through F12 and perform specific functions depending on the software being used. For example, F1 is often used for help, F5 for refreshing a webpage, and F12 for opening the developer tools.

3. Arrow keys: These keys are used to move the cursor or selection up, down, left, or right within a document or webpage.

4. Enter key: This key is used to confirm a command or input, such as submitting a form or starting a new line of text.

5. Backspace key: This key is used to delete the character to the left of the cursor.

6. Delete key: This key is used to delete the character to the right of the cursor.

7. Shift key: This key is used in combination with other keys to type capital letters or access symbols located above the number keys.

8. Caps Lock key: This key is used to toggle between typing in uppercase or lowercase letters.

9. Control (Ctrl) key: This key is used in combination with other keys to perform shortcuts and commands within software applications.

10. Alt key: This key is used in combination with other keys to access additional functions or shortcuts within software applications.

11. Space bar: This key is used to insert a space between words or elements.

12. Tab key: This key is used to indent text or move the cursor to the next field in a form.

13. Escape (Esc) key: This key is used to cancel or exit out of a command or operation.

14. Windows key: This key is used to access the Start menu and other system functions in Windows operating systems.

15. Command key: This key is used to access shortcuts and system functions in macOS operating systems.

16. Numeric keypad: This section of the keyboard is used to input numerical data quickly, similar to a calculator.

Overall, the keyboard is a crucial input device that allows users to interact with and control their computer or device efficiently.

Function Keys (F1-F12)

- F1: Help
- F2: Rename
- F3: Find
- F4: Repeat last action
- F5: Refresh
- F6: Navigate to next pane
- F7: Check spelling
- F8: Extend selection
- F9: Update fields
- F10: Menu access
- F11: Full screen
- F12: Function-specific action (varies by program)

Alphanumeric Keys (A-Z, 0-9)

- Enter letters, numbers, and symbols.
- Shift key: Capitalize letters or access alternative characters.

Modifier Keys

- Ctrl (Control): Used in combination with other keys for shortcuts, such as Ctrl+C (copy).
- Alt (Alternate): Used in combination with other keys for alternative actions, such as Alt+Tab (switch between windows).
- Shift: Capitalize letters, access alternative characters, and modify the behavior of other keys.

Navigation Keys

- Arrow Keys (Up, Down, Left, Right): Move the cursor within a document or window.
- Home: Move to the beginning of a line or document.
- End: Move to the end of a line or document.
- Page Up: Move up one page.
- Page Down: Move down one page.
- Insert: Insert text into a document.
- Delete (Del): Delete text or items.

Editing Keys

- Backspace: Delete characters to the left of the cursor.
- Enter (Return): Create a new line or perform an action.
- Tab: Indent text or move to the next form field.
- Caps Lock: Lock the keyboard to uppercase input.
- Num Lock: Activate or deactivate the numeric keypad.

Other Keys

- Escape (Esc): Cancel or exit a command.
- Print Screen (PrtSc): Capture a screen image to the clipboard.
- Scroll Lock: Lock the screen from scrolling.
- Pause/Break: Pause a program or interrupt the computer.
- Volume Up/Down: Adjust the audio volume.
- Mute: Silence the audio output.