Explain The Keyboard Keys
Keyboard is the most common text-based input device. Computer keyboards ate similar to electronic typewriter keyboards with additional keys. A keyboard generally has more than 100 keys. It allows entering alphabets, digits and symbols into the computer.
Types of keys:-
✔Alphanumeric keys:- All of the alphabet (A-Z) and numbers (0-9) on the keyboard.
✔Punctuation keys:- All of the keys associated with punctuation, such as the comma(,), period(.),Semicolon(:), brackets() and parentheses and so on. Also, all of the mathematical operators such as the plus(+), minus(-), and equal(=).
✔Alt key:- Short for alternate, these key is like a second control key.
✔Arrow key:- There are four arrow keys to move the cursor up, down, left or right arrow keys can be used in conjunction with the
✔Shift or Alt keys:- To move the cursor in more than one position at a time.
✔Backspace key:- Deletes the characters just to the left of the cursor and moves the cursor to that position.
✔Capslock key:- It is a toggle key, which when activated, causes all alphabetic characters to be uppercase.
✔Ctrl key:- The control key is used in conjunction with other keys to produce control characters. The meaning of each control character depends on which program is running.
✔Delete key:- The del key deletes the character at the current cursor position, or the selected objects, but does not move the cursor. For graphics-based applications, the delete key deletes the character to the right of the insertion point.
✔Enter key or Return key:- It is used to enter commands or to move the cursor to the beginning of the next line.
✔Esc key:- The escape key is used to send special codes to devices and to exit from programs and tasks.
✔Function keys:- Special key labelled F1 to F12. These keys have different meaning depending on which program is running.
Types of keys:-
✔Alphanumeric keys:- All of the alphabet (A-Z) and numbers (0-9) on the keyboard.
✔Punctuation keys:- All of the keys associated with punctuation, such as the comma(,), period(.),Semicolon(:), brackets() and parentheses and so on. Also, all of the mathematical operators such as the plus(+), minus(-), and equal(=).
✔Alt key:- Short for alternate, these key is like a second control key.
✔Arrow key:- There are four arrow keys to move the cursor up, down, left or right arrow keys can be used in conjunction with the
✔Shift or Alt keys:- To move the cursor in more than one position at a time.
✔Backspace key:- Deletes the characters just to the left of the cursor and moves the cursor to that position.
✔Capslock key:- It is a toggle key, which when activated, causes all alphabetic characters to be uppercase.
✔Ctrl key:- The control key is used in conjunction with other keys to produce control characters. The meaning of each control character depends on which program is running.
✔Delete key:- The del key deletes the character at the current cursor position, or the selected objects, but does not move the cursor. For graphics-based applications, the delete key deletes the character to the right of the insertion point.
✔Enter key or Return key:- It is used to enter commands or to move the cursor to the beginning of the next line.
✔Esc key:- The escape key is used to send special codes to devices and to exit from programs and tasks.
✔Function keys:- Special key labelled F1 to F12. These keys have different meaning depending on which program is running.
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