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COMPUTER INFORMATION

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COMPUTER INFORMATION

 

COMPUTER INFORMATION

In our world today,

You find out that you need to be a computer literate to allow you access so many things.

So, we will be discussing about Computer Information.

What is a Computer?

COMPUTER INFORMATION

A computer is an electronic machine that is programmed  in order of arithmetic to function

regularly.

Modern computers can perform natural sets of operations known as Programs.

These programs enable computers to perform a wide range of tasks.

A computer system is a “complete” computer that includes the hardware,

operating system, and outermost equipment needed and used for “full” operation.

This  term may also refer to a group of computers that are linked and function together,

such as a  computer network or computer cluster.

A computer is also a machine that can store and process information.
 
Most computers rely on a binary system, which uses two variables, 0 and 1,
 
to complete tasks such as storing data, calculating algorithms, and displaying information.
 
 
 

History of Computer

COMPUTER INFORMATION

Charles Babbage was born December 26, 1791, London, England—died October 18, 1871,
 
an English mathematician and inventor who is credited with having,
 
conceived the first automatic digital computer.
 
He invented the first mechanical computer,
 
The Babbage Difference Engine,
 
which was designed in 1822.
 
The ABC was the basis for the modern computer we all use today.
 
The ABC weighed over 700 pounds and used vacuum tubes.
 
It had a rotating drum, a little bigger than a paint can, that had small capacitors on it.
 

The abacus was initially used for arithmetic tasks.

The roman abacus was developed from devices used in Babylon as early as 2400 BC.

Since then, many other forms of reckoning boards or tables have been invented.

In a medieval European counting house,

a checkered cloth would be placed on a table,

and markers moved around on it according to certain rules,

as an aid to calculating sums of money.

 

Computer varies in different types and they are:

 
Super computer, mainframe computer, mini computer, personal computer, work station.
 
So, supercomputer is any class of extremely powerful computer,
 
it is one of the fastest and high performing systems available at any given time.
 
Such computers are primarily used for scientific and engineering work that needs high speed.
 

Mainframe computers is informally called big iron,

this computer is primarily used by organizations for critical applications like, bulk data processing for tasks such censuses,

large-scale transaction processing, consumer statistics,

and enterprise resources planning.

Mini computers is smaller, less expensive, and less powerful than mainframe and supercomputer.
 
but more expensive and powerful than a personal computer,
 
they are used for engineering computations and scientific,
 
business transaction processing, file handling and data base management.
 
Personal Computer is a digital computer designed for the used of only one person at a time,
 
it is also a multi purpose micro computer whose size capabilities,
 
and price make it easy for individual use.
 
These computers are to be used directly by an end user rather than computer expert.
 
Work Station this  is a special computer designed for technical or scientific applications. 
 
it is primarily to be used by a single user,
 
they are commonly connected to a local area network and run multi-user operating systems.
Is there a difference between Computer Information and Computer information System?

Computer Information is a processed data and also we can store vital documents in computer.

while Computer information system is the application of technology to enable you put your technical skills to work.

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