computer maintenance

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Laptop upkeep :



Electronic Repairing


        Earlier than we outline laptop upkeep we must always first outline the pc because it’s the central level of our research, I’ll attempt to preserve it so simple as doable and ignore the technical stuff for now, in the event you look within the web for the pc definition you’ll discover many, however all of them have just about the identical traits : A Laptop is an digital machine that may resolve completely different issues, course of knowledge, retailer & retrieve knowledge and carry out calculations sooner and effectively than people “ let’s analyze this one : 
A pc is an digital machine… so we’ve got electronics concerned, it’s the low stage of laptop functioning, all the pieces is considered 1 or zero which is nothing than the presence or the absence of voltage respectively, which is the best way to code knowledge and directions, and the pc {hardware} elements are all digital gadgets from a resistor to a really complicated Built-in Circuit (IC), we’ll talk about electronics within the second a part of this coaching.
“…that may resolve completely different issues…”so computer systems have function: fixing issues. In reality computer systems don’t resolve issues all by themselves they want what is named packages to unravel them, each drawback has one or a number of packages developed by human that are nothing however a set of directions saved within the laptop reminiscence and executed sequentially, these packages are often written in a human pleasant language known as programming language like (C , C++, Java…and many others.) then compiled into the directions that the pc can execute (the 1s and 0s we talked about earlier).
“….course of knowledge….” that’s the directions saved being executed together with knowledge, some directions want arguments to be executed these are the information, and in return it give different processed knowledge known as the results of the instruction.
“…retailer & retrieve knowledge…” that is one other perform of the pc, storing an enormous quantity of knowledge and retrieving them at will, computer systems retailer knowledge in exterior reminiscences comparable to onerous drives and flash reminiscences as a result of the central reminiscence that’s used to course of knowledge doesn’t maintain data as soon as the pc is turned off, we’ll get to that later on this coaching.
“…and carry out calculations sooner and effectively than people…” That’s an important motive the pc was invented : velocity and effectivity, the pc velocity at executing an instruction is the electrons velocity which is sort of gentle velocity and relying on this system being executed, it may go from lots of of directions to a number of 1000’s, and the effectivity of the pc is that it may’t get confused or bored like human being.
The query right here : can a pc be incorrect at fixing an issue? The reply is sure, if this system that laptop executed was incorrect.
Now let’s transfer on to laptop upkeep.
Laptop upkeep is the method of preserving the pc performing at an optimum stage, this implies both fixing issues that happen or stopping them, so we’ve got two kinds of maintenances:

1- Corrective upkeep :

 generally known as “restore” is the method of fixing issues which have already occurred with a view to restore the pc to its optimum efficiency stage it may contain correcting issues or changing some broken elements. This coaching offers largely with corrective upkeep.

2- Preventive upkeep: 

contain the duties that be certain that the pc is operating and can run optimally so long as doable, a few of these duties could be a clear OS set up, putting in an antivirus and anti-malware, disk defragmentation …and many others.

With a purpose to carry out each corrective and preventive upkeep, one should know the elements of the pc and their capabilities and in addition how the working system and the functions work within the system together with the connection between {hardware} and software program.  

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