Pos355 Pc Vs Mainframe Essay

770 words - 4 pages

Personal Computers v Mainframes
James Ratti
POS355
April 9, 2012
John Stewart

Abstract

The world of Information Technology covers many variations of computers, from smart phones to supercomputers like IBM’s Watson. While smart phones and tablets have are becoming more popular, there are two venerable machines that are at the heart of computing, the Personal Computer and the Mainframe. With advances in technology the lines between the two are fading, but will never disappear completely.

Personal Computers v Mainframes
The information systems backbone of many companies is their mainframe computer. The mainframe computer is a large centrally located machine capable of ...view middle of the document...

We have discussed what a mainframe is, now for the personal computer. A personal computer or PC is a general purpose machine that is priced and has the size and capabilities that make it useful for an individual user. The PC is generally used for word processing, spreadsheets and presentations. In the early days of personal computers, users had to create their own programs. Now days, users have thousands of commercially developed programs to choose from. From productivity software to games, whatever an individual user would like to do, there is a program for it.
From a large enterprise perspective, the mainframe has many advantages over personal computers. The small footprint of a mainframe is attractive to larger companies; not only due to the small space requirements, low power and cooling requirements make mainframes more attractive as well. The mainframe also makes setting up remote offices faster and lower cost. By installing dumb terminals rather than individual personal computers, the setup time and administrative overhead is reduced dramatically.
A smaller company on the other hand who might not have the financial resources required to obtain and maintain a mainframe. Cost might not be the only reason for a company to go with mainframes. A smaller company probably does not have the computational needs that a mainframe...

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