Keys on the Keyboard

 The keyboard is several keys, including :-

 

Alphanumeric keys :- These are the basic keys that include the letters A to Z, the numbers 0 to 9, and various symbols such as punctuation marks and mathematical symbols.

 Function keys :- These are the keys labeled F1 to F12, which are used to execute specific functions or commands in software applications.

 Arrow keys :- These keys are used to move the cursor up, down, left, or right.

 Modifier keys :- These keys include Shift, Alt, Ctrl, and the Windows key. They are used in combination with other keys to perform specific actions or commands.

 Numeric keypad :- This is a set of keys located on the right side of the keyboard, usually used for entering numbers and performing mathematical calculations.

 Enter key :- This key is used to execute a command or confirm an input.

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

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

 Tab key :- This key is used to move the cursor to the next tab stop.

 Escape key :- This key is used to cancel a command or operation.

 Print Screen key :- This key is used to take a screenshot of the current screen.

 Scroll Lock key :- This key is used to lock the scrolling function on the keyboard.

 Caps Lock key :- This key is used to toggle between upper and lower case letters.

 Num Lock key :- This key is used to toggle the numeric keypad between number entry and cursor control mode.

Marathi ISM font Kayboard Layout

 

Types of Computer Mouse

 

There are several types of computer mouse :-

 

1.  Optical mouse :- An optical mouse uses a light-emitting diode (LED) and a small camera to detect the movement of the mouse. It works on most surfaces and is the most common type of mouse.

 

2.  Wireless mouse :- A wireless mouse uses radio frequency (RF) or Bluetooth technology to communicate with the computer. It does not require a cord and offers more freedom of movement.

 

3.  Trackball mouse :- A trackball mouse has a stationary ball on the top that you use to move the cursor. It is useful for people with limited desk space and is often used in industrial and medical settings.

 

4.  Touchpad :- A touchpad is a built-in pointing device commonly found on laptops. It allows you to move the cursor by sliding your finger across a small surface.

 

5.  Gaming mouse :- A gaming mouse is designed for gamers and has features such as adjustable sensitivity, programmable buttons, and customizable lighting.

6.  Vertical mouse :- A vertical mouse is designed to keep your hand in a more natural position, reducing the strain on your wrist and arm. It is often recommended for people who suffer from carpal tunnel syndrome or other repetitive strain injuries.

 

7.  3D mouse :- A 3D mouse is used primarily by designers and engineers to navigate 3D models. It has a unique design that allows for more precise control over movement and rotation.