The Evaluation Of The Microprocessor.

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Term Paper Title	The Evaluation Of The Microprocessor.
# of Words	1349
# of Pages (250 words per page double spaced)	5.4

The Evaluation of the Microprocessor.

The Evaluation of the Microprocessor.

The microprocessor has changed a lot over the years, says (Michael W.
Davidson,http://micro.magnet.fsu.edu/chipshot.html)  Microprocessor technology
is progressing so rapidly that even experts in the field are having trouble
keeping up with current advances.  As more competition develops in this $150
billion a year business, power and speed of the microprocessor is expanding at
an almost explosive rate.  The changes have been most evident over the last
decade.  The microprocessor has changed the way computers work by making them
faster.  The microprocessor is often called the brain of the C.P.U.(or the
central processing unit)and without the microprocessor the computer is more or
less useless.  Motorola and Intel have invented most of the microprocessors over
the last decade.  Over the years their has been a constant battle over cutting
edge technology.  In the 80's Motorola won the battle, but now in the 90's it
looks as Intel has won the war.

The microprocessor 68000 is the original microprocessor(Encarta 95).  It was
invented by Motorola in the early 80's. The 68000 also had two very distinct
qualities like 24-bit physical addressing and a 16-bit data bus.  The original
Apple Macintosh ,released in 1984, had the 8-MHz found at the core of it.  It
was also found in the Macintosh Plus, the original Macintosh SE, the Apple
Laser-Writer IISC, and the Hewlett-Packard's LaserJet printer family.  The
68000 was very efficient for its time for example it could address 16 megabytes
of memory, that is 16 more times the memory than the Intel 8088 which was found
in the IBM PC. Also the 68000 has a linear addressing architecture which was
better than the 8088's segmented memory architecture because it made making
large applications more straightforward.

The 68020 was invented by Motorola in the mid-80's(Encarta 95).  The 68020 is
about two times as powerful as the 68000.  The 68020 has 32-bit addressing and a
32-bit data bus and is available in various speeds like 16MHz, 20MHz, 25MHz, and
33MHz. The microprocessor 68020 is found in the original Macintosh II and in the
LaserWriter IINT both of which are from Apple.

The 68030 microprocessor was invented by Motorola about a year after the 68020
was released(Encarta 95). The 68030 has 32-bit addressing and a 32-bit data bus
just like it's previous model, but it has paged memory management built into it,
delaying the need for additional chip...

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