Bus210

Axia College Material

Appendix E

Hardware/Software Components

In your own words, describe the following hardware/software components

|Legacy systems |are elements of a business's IT system -- the hardware and software of this system. It|

| |is an accessible processor system or application program that is maintains its usage, |

| |because the user-usually an organization or business-does not prefer to trade or |

| |restore it. A great example of an old or outdated system would be Windows 98 - instead|

| |of replacing with the latest software, which currently is Windows Vista. Why would a |

| |business use a legacy system? Usually it is one of the following reasons: the cost of |

| |redesigning or replacing these systems are either too complex or expensive within the |

| |budget at the time; if the system had not been previously documented or the designers |

| |of the system had left, it may not be understood how it works; or the system works |

| |adequately, and the owner sees no apparent reason to change it at the moment. |

|Mainframe computers |can be whichever computer is intended to host applications and work with numerous |

| |users all on one occasion. These computers have operating systems that were created to|

| |let Administrators make a decision whether to allow the host computer to bear the |

| |license of the installed software or if a customer will...