Computer - Input Devices

 A Computer System uses several Input devices to take inputs. There are different type of devices that gives input to a computer system.

Look at the following input devices:-

• Keyboard
• Mouse
• Touchpad
• Microphone
• Scanner
• Bar Code Reader
• Optical Mark Reader
• Graphic Tablet
• Light Pen
• Track Ball
• Joystick

About Input Devices In Detail :

Keyboard 

The Keyboard is a primary input device that allows us to enter letters, numbers, symbols, and other characters into the computer. The Keyboard is the most used input device and it is mostly used for entering data. Finger Stroke on the keys of a keyboard is called typing.

Mouse

A Mouse is a pointing device that helps to control the movement of the cursor on the monitor. It directly interacts with Graphical User Interface (GUI) to move and select icons, files, software, and folders.

Touchpad 

A Touchpad is a flat control surface used to perform functions on a laptop. It is used in laptops as an alternative to a mouse.

Microphone (Mic)

A Microphone (Mic) is an input device that captures audio waves and converts them into electric signals. These electrical signals are processed and converted into a digital signal to play sounds on the audio device.

Scanner

A Scanner is an input device used for scanning documents, photos, creating pdf documents. It is used to make electronic copies or soft copies of paper documents. It could be attached with a Printer or could be a single scanner machine.

Bar Code Reader

A Barcode Reader is an optical scanner that reads printed barcodes and decodes data contain in the barcode and send data to the computer. 

Optical Mark Reader (OMR)

Optical Mark Reader (OMR) is an input device that performs a process called optical mark recognition it is the process of capturing human-marked data from document forms such as surveys and tests (CCEP). This device scans ticked of shaded answers from the multiple-choice questionnaires.

Graphic Tablet

A Graphics Tablet is an input device that enables users to write, draw, sketch, make animations and graphics by hand. It is also known as Digitizer, Drawing Tablet, Drawing Pad, Digital Drawing Tablet, Pen Board, and Digital Art Board. This device is mostly used by Graphic Designers, Architectures, Construction Workers, Students, Drawing Artists, etc.

Light Pen 

A Light Pen is a pen-like pointing input device that is used to select menu items and draw on the monitor screen. It directly interacts with the graphical user interface (GUI) in the form of lighting rays.

Track Ball

A Trackball is an input device that is just like a mouse. It has full control of the cursor. Users don't have to move or drag the whole device like a mouse, just scrolling its ball is enough, you can move the cursor where ever you want. 

Joystick

A Joystick is an input device with a handle used in controlling movement on a computer. It is aircraft handle like stick with a base with some buttons. Mostly used for gaming.

Liked this article?

Follow Digital Scroller for more article!