ANALYSE THE WHOLE I T CONFIGURATION OF A BIG COMPANY Essay

2130 Words 9 Pages
ANALYSE THE WHOLE I T CONFIGURATION OF A BIG COMPANY
1. Introduction

In today’s competitive market the firms are bound to reduce their costs and also maximize their profits. The only solution to achieve this objective is the usage of the Computer Systems, which are far more than computational and text processing tools.
With their rapid expansion, and certainly via the Networks people can exchange and also sharing a variety of information, regardless of how far they are each other. The introduction of a new technology into a work environment has effectively increased the firm’s investment and also its productivity. Computers are not truly capable of intelligence and independent problem solving, but they become, as they are programmable
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For backup purposes, the P.P.C uses a Tape Library Data Server, that has 2375 slots and 12 tape drives, with total capacity 800MB each. The backup procedure is vital for every company and for every individual who utilize the Computers.
There are 3000 active terminals and 1000 remote printers, all around Greece, connected to this mainframe, via dedicated lines and modems. The current Operating System for this mainframe is the MVS 5.2.1, which has been configured from IBM with certain specifications that P.P.C had provided to them.
Finally the current database management system is the CA – IDMS, which is a Network Database with 200GB total capacity, as the P.P.C’s customers are approximately 6,700,000. There are also installed some communication software packages (Condir, Ndm), which they are responsible for the file transfers between the branches and the mainframe. A Front-end processor IBM 3745 also exists, supporting the P.P.C’s network. The chart in the following page represents the current configuration of the P.P.C’s mainframe.

2.2 The Customer Service Department

Every branch is connected with the mainframe (Host) with the support of an IBM 3174 remote controller and a modem. The main purpose of these departments is to serve the P.P.C’s customer requests and also to provide certain information when it is needed. Each of this department is consisted of three to thirty terminals, depending on the number of the customers that they are obliged to

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