Key board keys and their functions
1. Letters (A to Z) - These keys allow you to type letters.
2. Numbers (0-9) - These keys allow you to type numbers.
3. Function Keys (F1 – F12) - Depending on the software you are using, Function keys have different functions, such as opening a help menu, saving a document, or closing a window.
4. Arrow Keys (Up, Down, Left, and Right) - These keys allow you to move the cursor in the direction of the arrow.
5. Typing Keys (Enter, Shift, Tab) - Enter is used to start a new line, Shift is used to capitalize a letter, and Tab is used to indent.
6. Special Keys (Ctrl, Alt, Esc, Home, End, Del, Pg Up, Pg Dn) - These keys have different functions depending on the software, for example, Ctrl+C is copy, Alt+F4 closes a window, Esc is used to exit a function, Home moves the cursor to the beginning of a line, End moves the cursor to the end of a line, Delete deletes a selected object or character, Page Up moves the screen up one page, and Page Down moves the screen down one page.
Here are some commonly used keyboard keys and their functions:
1. Escape (Esc): It is used to cancel or close a current operation or dialog box.
2. Function keys (F1, F2, etc.): These keys often have different functions depending on the application you are using. They can be used for various purposes such as opening Help documentation (F1), opening settings (F2), refreshing a page (F5), etc.
3. Tab (Tab): It is used to move the cursor to the next selectable area or field, such as in forms or tables.
4. Caps Lock (Caps Lock): When activated, it makes all letters typed in uppercase until it is turned off.
5. Shift (Shift): Holding down Shift while typing is used to capitalize letters or access the secondary characters on the number keys.
6. Control (Ctrl): The Ctrl key is often used in combination with other keys to perform shortcuts or commands. For example, Ctrl + C is used to copy selected text or files, Ctrl + V is used to paste, and Ctrl + S is used to save.
7. Alt (Alt): The Alt key is also used in combination with other keys to perform shortcuts or commands. For example, Alt + F4 is commonly used to close the active window or program.
8. Windows key (Win): It opens the Start menu in Windows operating systems. Additionally, various combinations involving the Windows key are used for specific actions, such as Win + L to lock the computer.
9. Backspace (Backspace): It deletes the character to the left of the cursor.
10. Delete (Delete): It deletes the character to the right of the cursor or the selected item.
11. Enter (Enter): It is used to confirm or execute a command, often used to start a new line or submit a form.
12. Arrow keys (Up, Down, Left, Right): The arrow keys are used to navigate up, down, left, or right within text, documents, and web pages.
13. Spacebar (Space): It inserts a space character or allows scrolling down in web browsers and documents.
14. Numeric keypad: The numeric keypad is located on the right side of most keyboards and provides a set of number keys, basic math operators, and other functions. It is commonly used for numerical data entry and calculations.
15. Print Screen (PrtScn): It captures a screenshot of the current screen and copies it to the clipboard.
16. Scroll Lock (Scroll Lock): It originally controlled the scrolling behavior of the keyboard, but is less commonly used now.
17. Pause/Break (Pause/Break): It is used to temporarily stop the execution of a program or command.
18. Home (Home): It moves the cursor to the beginning of a line or document.
19. End (End): It moves the cursor to the end of a line or document.
20. Page Up (Page Up) and Page Down (Page Down): These keys are used to move the screen view up or down, respectively.
Note that the exact function of certain keys can vary depending on the operating system or software being used.