CHAPTER ONE

INTRODUCTION

No matter the level of computer literacy, this is little likelihood that the following phrase needs to be explained. “the computer is down”

It has been a common complaint the words conforms up visions of a pertinent machine gone on the micro equivalent of a sit down strike. Perhaps, it will be up and rounding later on, like a good diagnostic procedure is carried out using the diagnostic procedure is carried out using the diagnostic program.  

        Eventually, we lean that the computer is once again back in operation. But what we don’t learn, is that the trouble really was not the computerizes fault at all. Instead on operators error lured it to perform in an unexpected moreover. Then it became necessary to shut down the system while the error was traced, isolated and corrected.

Infact, the computer machine is one of the most reliable machines ever made. It has almost knowing parts, so there is very little to get of our alignment. Its electronic components do not demand periodic adjustments. And since it really has no brain of its own,   it just cannot make its own mistakes. It does only what it is told, that is “gabbage in gabbage out” Given a minimal amount of care and a decent operating environment, it should provide years of trouble- free , error-true services.

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