Associate Level Material
Appendix E

Hardware/Software Components

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

|Legacy systems |Legacy systems are the existing information technology systems which include all |
| |hardware and software that a company uses. These systems are kept up and upgraded by a|
| |company’s CIO. The bigger IT companies that make these systems usually offer systems |
| |as well as training how to use those systems. |
|Mainframe computers |Mainframe computers are the oldest of our computer systems today. They generally serve|
| |as the center of a company’s information processing and storage. |
|Microprocessors |Microprocessors are chips that are the engines of computers that hold the central |
| |processor units. |
|PCs |PCs are a smaller type of a mainframe that was designed for personal and individual |
| |usage. |
|Network computers |Allows PC users to all be connected to the same server and allows them access to the |
| |same information. |
|World Wide Web and Internet |The Internet is a massive network that is capable of connecting all computers, phones,|