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CHAPTER 2 ORGANIZATIONS AND INFORMATION TECHNOLOGY SUPPORT - page 9 / 35

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Introduction to Information Technology

Turban, Rainer and Potter

Chapter 2 Organizations and Information Technology Support

9

Information Systems Architecture (continued …)

Traditional Architectures

mainframe environment

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processing is done by a mainframe computer - a relatively large computer built to handle large amounts of data, thousands of user terminals, and millions of transactions

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modern versions of this architecture : personal computers (PCs) and network computing (NC)

PC environment

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PCs form the hardware architecture

distributed environment

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divides the processing work between two or more computers

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the participating computers can be all mainframe, all PCs, or (usually) a combination of the two

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