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Taking Advantage Of computers In All Aspects Of Our Lives Is Often Taken For Granted, But A Great Deal Of work Has To Be Done To Create The Software Before The Computer Will Do What We Need It To
For us people who make use of computers regularly, they are now a part of our routine that we don’t even consider. Even for folk who don’t have one of their own, life is still basically dictated by computers as nearly every organisation on the planet utilises them in some capacity.
But much like the way that most vehicle owners have no idea of what really happens under the bonnet, most computer users never think about what happens inside the computer to make it function. Naturally, we can’t know about everything that happens around us, or else if that was the case we would be constructing our own homes, carrying out our own dental work and Laser eye surgery, flying our own aeroplanes and we would all have to be extremely bright to comprehend it all!
However, the basics of a computer are relatively easy to understand, without going into a huge amount of detail. Of course, the hardware that makes up the physical equipment is what is usually thought to be ‘the computer’ but in truth, it is the software we install which causes the computer to do what we ask it to do. Without the numerous software programs we install the computer would simply be a rather dull ornament in the corner of the lounge, containing a number of bits of metal, a load of wires and a Laser eye for reading discs.
But each program that you put on your computer started out as an idea in someone’s mind, and unless you have been involved in the IT industry, you most likely don’t know how much time and energy it takes to create, test and then deploy a new piece of software. To start with, there obviously has to be a requirement for the product. A lot of programs are born out of necessity and countless others we don’t realise that we have a need for until we make use of them, but each one has to be designed from scratch.
Once it has been established that there is a market for the program, the team will begin work gathering details about what the program has to be be able to achieve. At the IT company where I was employed, many new additions to the solution used to come from existing users, but of course if the software is being designed from scratch, then some market research amongst potential users will provide for those working on it a notion of how the program is likely to be used and what users would need it to be able to do.
Having established what is needed, a specification will be drawn up outlining what the program is being created to do. Then an initial outline of how the program will perform is drawn up and eventually the programmers can start the work designing and building the solution.
Once a first version of the program has been created, it can be set up for use and will be thoroughly tested to iron out any errors and to be certain that all of the processes required react together as necessary. There will usually be issues at this point, so testing is vitally important before giving the software to general users.
For one bespoke program that I worked on for a client, we carried out such stringent testing and retesting that the complete team was spending many hours a day on it for quite a few weeks. It really was a question of trying out every single variation of each and every process time and time again. When the client finally started using the program I was doing my best to convince my boss that he should be funding Laser eye surgery for each of us, as we all experienced problems with our eyes because of working such ridiculous hours on the project.
In any case, once testing has been carried out to everyone’s satisfaction and any problems have either been solved, or are considered too trivial to waste further resources on for this version of the program, the software will be made available. Dependent on the program, this could refer to the user downloading the latest version of a program they use already, or installing a totally new program from scratch. With bespoke software created for a large organisation, the solution will probably be installed remotely by the IT experts who can access all of the work stations in the organisation from a central point. This is pretty much a necessity because a business with many employees will not be able to rely on them all having the same standard of computer knowledge. Having in the past worked with staff who frequently had problems just switching on their computers in the morning, and would have no clue that the program disc would need to be placed in the machine so that the beam from the Laser eye can read it, I can certainly see why big business keeps very firm control on the installation of and access to new software.
Once the software is up and running and the end users have been trained, the company that designed it will want to carry on maintaining the program. Feedback from users is essential as any problem areas will be pointed out and they can then be revisited and maybe updated for future versions, plus any requests for extra functionality can be progressed and included in the specifications for the next update.
Newegg TV: How To Build a Computer - Part 2 - The Build
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