Is Barcode Reader an Input or Output Device in Computer System


Introduction
Today we will learn Is Barcode Reader an Input or Output Device in Computer System? With its different types, advantages, meanings, and examples.

The barcode reader is an input device which we will explain further in the article.

A barcode is nothing but a square shape box filled with white and black parallel lines which are of different widths.

These barcode or image can be scanned with the help of barcode scanner for accessing the code inside the image also for instant identifications.

The barcode are usually applied to products for quick identification of the products details.

What is Barcode Reader in Computer System?

You may have seen this barcode in malls and shops that are used on the product to recognize the product details and for their identification.

These barcodes are scanned with the help of a barcode scanner or barcode reader to check the details regarding the price, item no, batch code, etc.

What is Barcode Reader
What is Barcode Reader

This barcode reader or barcode scanner is attached to the computer system. After scanning, the complete details of the item can be fetched on the computer for quick access with database administration.

The barcode is nothing but black and white color parallel lines attached to any product, and a laser barcode reader is used to fetch the details inside the barcode.

The barcode is scanned with the help and assistant of an optical barcode reader.

The Optical barcode reader or barcode scanners are an input device of a computer system used for standardized identifications.

The information is in dim lines with alphanumeric values that differ in width and height.

A standard barcode scanner uses laser shaft technology. The Laser bar is relocated adjoining the bar lines of the standardized identifications when the Laser pillar moves, and it gets reflected light from the scanner tags. A touchy light detector discovers the reflected bar.

That adjustment over light instance into electric heartbeats and later for assist transformation of alphanumeric values.

The barcode scanner is connected to the computer system where alphanumeric values are stored in computer memory, such as a computer hard disk drive.

The Optical Bar Code Reader is generally used in Big Malls, Shopping Houses, and Libraries.

Is Barcode Reader Input or Output Device

Yes, the barcode reader is an input device. 

To prove my point, let us try to understand something more about the input and output devices of a computer with their meaning, definition and examples.

Now computer system devices are categorized or divided into two types of devices.
  • Input Devices
  • Output Devices

Input devices are computer devices that accept raw data and information from outside the world and feed this data to a computer for further processing and internal calculations.

In simple words, input devices allow or helps user to enter data or instruction inside the computer system for operations and processing.

Different Types of Input Devices are as Follows.
  • Keyboard
  • Mouse
  • Scanner
  • Trackball
  • Joystick
  • Light Pen
  • Touch Screens
  • Optical Card Reader (OCR)
  • Magnetic Ink Character Recognition (MICR)
  • Optical Bar Code Reader (OBR)
  • Voice Recognition Devices
  • Optical Mark Reader (OMR)
  • Output Devices of Computer System

The data or instructions entered in the computer system through input devices are processed. These processed data is converted into human-readable form later.

This result is obtained in the form of hardcopy or softcopy.

Some Examples of Output Devices of Computer System.
  • Monitors
  • Touch Screens
  • LCD Monitors or LED Monitors
  • Printers
  • Speakers
  • Headphones
  • Sound Cards
  • Plotters
  • Projectors

A barcode reader is a device that accepts or acknowledges data and information from other sources and presents these data to the computer system for identification and recognition.

Therefore it can be stated that a barcode reader is an input device.

Different Types of Barcode Reader or Barcode Scanners

  • Pen Type or Wand Type Readers.
  • Laser Barcode Scanners.
  • CCD Barcode Scanner
  • Camera-Based Scanner
  • 2D Scanner
  • Bluetooth Barcode Scanner
  • Wi-Fi Scanner

Which Type of Device is Barcode Reader?

A barcode reader is a type of input device used to capture the image’s code into a computer system for quick identification.

Is Barcode Reader an Input or Output Device With Image

Is Barcode Reader an Input or Output Device
Is Barcode Reader an Input or Output Device

Advantages of Barcode Reader in Computer System

  • Barcode Readers are Very Accurate.
  • Saves Time.
  • Very Easy to Use.
  • Low Cost.
  • Using barcode, we can access complete information and detail of the related product.
  • They can be updated easily,
  • Human errors can be reduced,
  • The database can be maintained easily.
  • Records or saved files can be accessed with the help of a barcode reader to access product detail.
  • The barcode reader can be wireless,
  • Decision making is rapid.
  • Less human resources are required.
  • Used in malls, shopping malls, libraries, etc.

Where are Barcode Reader Devices Used For? | Uses of Barcode

There are plenty of uses of barcodes in the present time. I am going to mention a few of them
  • They are used in retail malls, libraries, and shopping malls.
  • They are used in speed posts for tracking.
  • They are used in medicines for tacking expiry dates and other informatics.
  • Products which are purchased online.
  • Gift cards, driving license
  • All the consignments from foreign countries use barcodes to identify their products correctly.
  • Events, travel, and movies.
  • The majority of businesses use barcodes for security and to avoid mismanagement.
  • In school, colleges and offices.
Related Articles

Barcode Reader is an Example of?

The barcode reader is an example of the input device of a computer system used to insert raw data into the computer system.

The data entered through a barcode reader is checked and examined in the system with the help of a hard disk, where all information is stored almost permanently.

Some examples of input devices of computers are
  • Keyboard {for entering text, numbers, special symbols, and alphanumeric characters}.
  • OCR {Optical Card Reader}.
  • Joystick {used in Playing Video Games}.

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