1) Mouse

An input device that is small and lightweight is a mouse. Moving the mouse on a flat surface controls the movement of the cursor on a screen. There are usually two or three buttons on a mouse. These buttons can be used to perform different tasks.

An input device that is small and lightweight is a mouse. Moving the mouse on a flat surface controls the movement of the cursor on a screen. There are usually two or three buttons on a mouse. These buttons can be used to perform different tasks.

Mechanical Mouse

A mechanical mouse contains a rubber or metal ball. The cursor moves according to the movement of the ball.

This mouse is normally used on a mouse pad. A mouse pad is a small piece of rubber or foam that allows easy movement of the mouse.

Additionally, it protects the mouse from dust and dirt.

A Look at 9 Pointing Devices for 2021
Interested in finding out about pointing devices, their types, their functions, and also how they work? The answers to all of the questions can be found by reading this article.

Devices for pointing:

A pointing device is an input device that controls a pointer on the screen. In a graphical user interface, a pointer is a small symbol that appears on the screen. There are different shapes of a pointer available.

You can download free auto clicker software that displays an intuitive toolbar when a mouse click is made. Various operations are automated using this type of software in video games, office work, etc.

Pointing Devices Types

The following are different types of pointing devices:

  • Mouse
  • Trackball
  • Touchpad/ Trackpad
  • Pointing Stick
  • Graphics Tablet
  • Touchscreen
  • Light Pen
  • Joystick
  • Stylus

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The following are some types of a mouse:

  • Mechanical Mouse
  • Optical Mouse
  • Wireless Mouse

Optical Mouse

There is no ball inside an optical mouse. The mouse movement is detected with a light-emitting device. In these types of mice, a laser or optical sensor is used. Moreover, it costs more than a mechanical mouse.

Wireless Mouse

A wireless mouse is a mouse that doesn't require a cable to function.

A wireless device transmits data using radio waves or infrared light waves.

2) Trackball

You can also use a trackball to operate your computer instead of a mouse. Besides the buttons on this device, it also has the buttons of a mouse.

It has a moving ball on top. The trackball body is not moved. Fingers are used to roll the ball. Rotation of the ball controls the position of the cursor on the screen.

Compared with a mouse, the trackball takes up less space when moving. Laptop computers often come with a trackball. In addition to the mouse, desktop computers use a trackball as a separate input device.

3) Touchpad/ Trackpad

Touchpads are small, flat surfaces that enable users to move their fingers over them. By moving his fingers on the touchpad, the user moves the cursor on the screen. You can also call it a trackpad.

There are also one or more buttons near a touchpad. It works like a mouse button. With notebook computers, touchpads are commonly used.

4) Pointing Stick

Pointing sticks are pressure-sensitive devices. Similar to a pencil eraser, it exits between keys on the keyboard. With the pointing stick in use, the screen's pointer moves as well. It does not require any extra space or cleaning like a mouse. With notebook computers, a pointing stick is usually used.

5) Graphics Tablet

Generally, a graphics tablet consists of a flat pad that the user draws on using a pen called a stylus. As the user draws on the pad, the image appears on the screen. Designers can make very precise drawings with a graphics tablet. Alternatively, it is called a digitizer.

6) Touchscreen

Using a touchscreen, users can input information by touching the display. The screen is covered with a layer of plastic. At the back of the screen, there are undetectable beams of infrared light. To enter data, the user touches menus and icons on the screen. A touchscreen computer detects the touch of the user's finger using sensors.

7) Light Pen

It is a handheld device that looks like a pen. The stylus is light-sensitive. Light pens are connected to computers by wires. At the tip, there is a device that emits light. A special screen on which the pen is used sends information to the computer when the user touches it in certain areas. I usually use a light pen for engineers, graphic designers, and illustrators.

8) Joystick

There are two parts to a joystick: a stick and a base. You can move the stick in several directions to move an object anywhere on the screen. Similar to a mouse or trackball, a joystick can perform similar functions. Often, it is considered less comfortable and efficient. Generally, joysticks are used for playing computer games.

9) Stylus

Stylus pens are similar to ballpoint pens. To write text and draw lines, it uses pressure. Alternatively, it was called a pen. In graphical applications, a stylus is used. Architects, artists, and designers use it to draw and sketch.


Functions Of Pointing Devices

A pointing device is used to interact with a computer or other type of information processing equipment. Using pointing devices, processing units can communicate with each other.

You may use computer pointing devices to enter alphanumeric data, move the cursor around the screen, or enter data using voice or images.

Pointing Device Examples

Digital Pens

They allow you to engage in writing and drawing naturally. By varying the pressure, artists can control line thickness precisely.

CAD (Computer-Aided Design), where you have to draw precisely on the screen, usually uses them.

Systems for voice recognition

For both dictation and direct program control, it is suitable. Voice commands are picked up by a microphone, the spoken words are analyzed by a voice analyzer, and their meaning is analyzed by an analyzer.

Motion Sensors And Cameras

Gestures and body movements can be used to control computers. These sensors can be used to track a wearer's movement and even map facial features.

Biometric Sensors

They enhance the computer's security. Technology like this can prevent unauthorized users from gaining access to protected computer systems.

Final Word

Using pointing devices, such as a mouse, you can point at or select anything on the screen. As pointing devices are cheaper, smaller in size, and perform operations and tasks much faster than their predecessors, they are increasingly popular in today's world.