lesson - Chapter 1
1. The 386/ 486 Family
1. 1 Guided tour
1.2 Evolution not revolution
1.3 The legacy of upward compatibility
1.4 The 80286 - false start
1.5 Intel's 386
1.6 Form chips to systems
1.7 The software choice
THE 386/FAMILIARLY
This chapter offers you an outline of the entire state of affairs concerning the 386(including the 486,486SX and 386SX).The reason for employing a 386 are explained and therefore the difficulties in obtaining the simplest out of such systems are delineated .Most of the ideas introduced during this chapter are explore additional details later within the book.
The introduction of machines supported the 386 processor has resulted during a modification within the method we have a tendency to use personal computers .Before the 386,PC shriveled not far more than competent word processors.If you wished to try and do something additional formidable then you either had to place up with a performance that created long waiting times or create the move to a desktop super laptop typically observed as a 'workstation'
The 386 family takes the laptop into the digital computer class and provides for a machine on that it's potential to tackle virtually any sort of application.It is powerful enough for a brand new breed of programs and even the less complicated applications have taken a leap in terms of usability.Gone are the days of hard-to-use programs.Now,using systems like Windows you'll be able to run over one program at a time and do most things while not ever having to the touch a keyboard.The modification is therefore nice that it's generally onerous to believe that the 386PC is that the same sort of machine because the early PCs!
A good,though curious,example of this modification is to be found within the games market.Although laptop games are a trivial application they're remarkably exacting of performance. Until.Until recently you required to shop for a specially designed machine to succeed in the speed and graphics quality required for acceptable games.Now the 386 laptop is up to any purpose engineered games machine.Indeed its ability to provide top quality sound and video allows it to be used because the basis of a multiply-media machine on that you'll be able to browse interactive books or offer shows that blend animated graphics and stereo sound.
However,every revolution has its worth and within the case of the 386 family the requirement to be compatible with software package and hardware designed for less complicated machines has introduced several complexities.There is still a lot of to try and do in putting in a 386 so it works well with each the new and previous generation of applications software package.The vary of processors within the 386 family conjointly causes issues.which one ought to yo choose for any specific job?It are often tough to stay track of all the various varieties on the market,especially as they're solely distinguished by serial numbers that appear very little totally different.