What is a Computer

Some other more abstract definition is :
Computer Science is the systematic study of algorithmic processes that describe and transform information : whether it is related to theories,analysis,design,efficiency,implementation,or applications available to him. Fundamental question related to Computer science is,"what can be automated efficiently".

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Types types of computer Networks

Types of computer network

Benefits of a computer network  ; Types types of computer network

In general , computer network can be distinguished five types consiting of  :

A. LAN (Local Area Network)

              Local Area Network (LAN) is a privately owned network within a builid or campus-sized to several kilometers.LAN is often used to connect personal computers and workstations in company offices or factories in order to use shared resources (eg,printer,scanner) and exchange information. LAN can be

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Types of Computer Networks

Whether it's computer network - The computer can be interpreted simply as a collection of some of the computers and other equipment connected to each other using certain rules. This relationship can occur using either wired or physical media through radio waves. Even infrared satellite.

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Computer Types

-Based on the processor : mainframes,minicomputers,micro computer.

-Based on the shape and physical size : tower,desktop,portable,notebook,subnotebook,palmtop.

-Based on the data type if : analog,digital,hybrid.

-Based on the problem area.

Computer based processor

-Mainframes

                    This kind of computer processor that has ability use a very large and is intended for multi-user. By using time-sharing technology,the efect is not so perceived by the user.

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History of Computer

      Since ancient times,the data processing has been performed by humans. Humans also find mechanical appliances and electronics to help hummans in the calculation and data processing in order to get result faster. Computer that we encounter today is a long evolution of human inventions from time immemorial in the form of mechanical or electronic means.

      Currently the computer and its suppoting tools have been included in every aspect of life and work. Computers are now capable of more than ordinary mathematical calculations. Among them are computer systems capable of gauze code reading supermarket shopping goods,which handles millions of telephone calls and communications,computer and internet networks that connect different parts of the world.

History of Computer in the period is :

> Tools an Calculators Calculate Traditional Mechanical

> First Generation Computers

> Second Generation Computers

> Fourth Generation Computers

> Fifth Generation Computer

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