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What is barcode?

Barcode is a unique identification code. It consists of light and dark vertical lines with spaces between them of different widths. Barcode is printed on most of the manufactured products. It represents the information about the product. The most popular and commonly used barcode is UPC (Universal Product Code).

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Basics of Information Technology Questions and Answers
 
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Basic Computer Science
   
» The Age of Information
» Types of Computer and Digital Age
» Input and Output Devices
» Storage Devices Of Computer
» Central Processing Unit
» Software: The Power Behind The Power
» Data Communication and Computer Networks
» The Nature Of Information
» The System Theory
» Transaction Processing System (TPS) and Management Information System (MIS)
» Decision Support System (DSS) and Executive Support System (ESS)
» Expert System (ES) and Office Information System (OIS)
 

Operating Systems
   
» Introduction to Operating System
» Introduction to Process Management
» Threads and CPU Scheduling
» Process Synchronization in Operating System
» Deadlocks
» Memory Management in Operating System
» Virtual Memory in Operating System
» File System Management in Operating System
» I/O and Device Management
» Security
» Linux Operating System
 

Database Management System
   
» Introduction to Database Systems
» Database System Architecture
» Database Administration and Database Development Process
» The Entity-Relationship Model
» Semantic Object Model
» Logical Database Design and Relational Data Model
» Normalization in Database
» Transformation of E-R Model into Relational Data Model
» Representing Semantic Object Model and Types of Semantic Object Model
» Physical Database Design
» Introduction to Structured Query Language (SQL)
» Implementation of Relational Database and Database Application Design
» Client Server Database Systems & Open Database Connectivity (ODBC)
 

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» Basics of Information Technology
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» Process Management in CPU
» CPU Scheduling
» Process Synchronization
» Deadlocks
» Memory Management
» Database Systems
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