Changes

The first computer comparable to the modern day computer, an electronic calculation machine, was the [[ENIAC]]. Built as a artillery support machine, it was unveiled in early 1946.<ref>http://ftp.arl.army.mil/~mike/comphist/</ref>

The first computer comparable to the modern day computer, an electronic calculation machine, was the [[ENIAC]]. Built as a artillery support machine, it was unveiled in early 1946.<ref>http://ftp.arl.army.mil/~mike/comphist/</ref>

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==Kinds==

==Classifications==

Computers are divided into four categories.  They are: personal computers, mainframe computers, dedicated computers, and embedded computers.

Computers are divided into four classes.  They are: personal computers, mainframe computers, dedicated computers, and embedded computers.

===Personal computers===

===Personal===

Personal computers are ones designed for use by a single user at any given time.  These are the common desktop and laptop computers most people use today.  Tablet computers could also be included in this general category.  Some businesses will include person computers in a client-server network.  In this system, the personal computers are used to connect with a main server computer (or in some cases, a server cluster).<ref name="WorldBook01">The World Book Encyclopedia. 2001 ed. Vol. 4. Chicago: World Book, 2001. Print. Pages 908-94</ref>

Personal computers are ones designed for use by a single user at any given time.  These are the common desktop and laptop computers most people use today.  Tablet computers could also be included in this general category.  Some businesses will include person computers in a client-server network.  In this system, the personal computers are used to connect with a main server computer (or in some cases, a server cluster).<ref name="WorldBook01">The World Book Encyclopedia. 2001 ed. Vol. 4. Chicago: World Book, 2001. Print. Pages 908-94</ref>

===Mainframes===

===Mainframes===