When people hear the words "Information Technology," the first things that come to mind are computers and the Internet. It may also bring up words like "network," "intranet," "server," "firewall," "security," as well as more arcane expressions such as "router," "T-1," "Ethernet," or the mysterious and exotic-sounding "VoIP" (pronounced "voyp").  

In fact, information technology is all of these things, and more. It's hardly new, however. Information technology is as old as the brain itself, if you think of the brain as an information processor. As far as I.T. being a science, even that goes back as far as the earliest attempts to communicate and store information.  

And that is essentially what information technology is: the communication and storage of information, along with the ability to process and make use of the information stored. In this chapter, we'll begin with a brief history of I.T., what it comprises today, and the different major types of I.T. systems available today.  

A Short History of Information Technology  

 

Table of Contents  

Chapter 1 The Beginning .................... 4

 A Short History of Information Technology .................... 4 

 The Hellenistic World .......... 5

 Early Programmable Devices ........ 6

 Communications and Information Storage .................. 7

 Information Technology Since 1980 .... 8

 Information Technology Today ..... 9

 Types of Information Tools and Media .. 10 

 Personal Computer ............ 10

 Storage Media ................ 11

 Internet Options and Communication .................... 13

Chapter 2 Understanding BizIT ............. 15

 Assessing Your I.T. Needs ....... 15

 Desk and chair ............... 16

 Bookcase/Shelves.............. 16

 Table .................... 17

 Telephone (And Phone System) ..... 17

 Computer and Monitor .......... 18

 Printer, Copier, FAX Machine....... 20

 Other I.T. Options ............. 20

 All Those Bells And Whistles; Do You Really Need Them? ......... 21 

 Getting It Cheap ................ 23

Chapter 3 Getting Organized ................ 25

 Setting Up Your Workspace ........ 25

 Organizing the Worktop ....... 25

 Peripherals and Office Supplies ...... 26

 About Wireless Technology ...... 27

 Getting Online ................ 29

 Dial-Up ................. 29

 Satellite ................... 29

 DSL ................... 30

 T1 and T3 ................ 30

 A Word Of Caution............. 31

 Networking: The Intranet ........ 31

 Sharing Printers and Programs ... 33

 About Sharing Programs .......... 34

 Protecting Yourself And Your Business ...................... 37 

 E-mail Issues .............. 38

 Computer Care And Maintenance ...... 39

 Protecting The Hardware ......... 39

 Software Maintenance .......... 41

 

 As human societies have grown in size and complexity, so has the need to collect, store and transmit information. While it could be argued that brains represent a form of “bio-information technology,” the Greek word “ ” - from which we get the word “technology” – really refers to scientific or mechanical knowledge, particularly that which involves the use of tools. Therefore, we’ll begin our journey with human’s first attempts to record and transmit knowledge through mechanical means.

 

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