Sunday 26 August 2012

COMPUTER USER'S


Peronal computer are designed to work with a human user.In fact, the user is a critical part of a computer system especially when a personal computer is involved, this may seems surprising since computer as intelligent device capable of performing amazing task people also some time belive that computer can think and make decisiom but this is not the case. Even the most powerful super computer require human interaction if for no other reason than to get them started and tell tan which problem to solve.


THE USER'S ROLE :
      when working with a personal computer the user can take on several roles depending on he or she wants to accomplish .

Setting up the system:
          If you want to change some thing about the system a process called configuration weather you want to add a new hardware device,change the way program look on your screen a customize the way a program function.


INSTALLING SOFTWARE:
          Your new computer probably came with an operating system and some application installed you need to install any other programs you want to use .This may involve loading software from a disk or downloading it from a website either way ,it is usually the user's responsibility to install programs.

RUNNING PROGRAMS:
         when ever your computer is on there as several program running that runs your mouse and printer.such programs do not need any user input,infact you may not even be aware of them the most part if you want to use your computer to perform a task you need to lanch and run software is designed for the task.this means installing this program learning its tools and working with it to make sure it gives you the result you want.

MANAGING FILES:
         A computer saves data in files,you can save it as a file making it available to open and use again picture ,songs and other kinds of data are stored as files but it is the user's to manage these files and this means setting up a logical system for storing them on the computer.It also means knowing when to delete or move files or copy them to a disk for safe keeping.

MAINTAINING THE SYSTEM:
         Systemmaintenance does not necessarily mean opening the pc and fixing brokenparts pc maintenance generally means running utilities that keep the disks free of clutter and ensure that the computer is making the best use of its resources.



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