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A guide on the main components in a PC
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Motherboards The motherboard is heart of the computer, with all of it's connections leading out from itself and into every device in the machine. A variety of books that where looked at for reference have all agreed on one fact about the motherboard, and that is the fact that it is the main printed circuit board inside the machine in question, when you open a PC that much is obvious as the Motherboard will more than likely cover the whole of one side of the PC. According to Shelley O'Hara (Author of The Complete Idiots Guide to Buying and Upgrading PC's) the motherboard is 'a big, flat circuit board that covers the entire floor of the PC casing.' The Motherboard is a very important part of the system since everything has to be connected to it, everything therefore has to be compatible with it. Also the speed of the connections that run from each component to the motherboard can have a positive or negative effect on the system in question. Ian Sinclair (Author of Build and Upgrade Your Own PC) says ' The motherboard design fixes the maximum speed of CPU that you can use.' I will explain what this means in the section dedicated to the CPU. CPU At times the CPU is referred to as the 'brain' of the computer and this is not without justification. CPU stands for Central Processing Unit and it is argued amongst many people weather or not this is the most important part of the computer, therefore the one you should dedicate the lions share of your budget to. Regardless of whether or not it is the most important part of the PC it is still one of the most significant pieces of hardware inside the case. According to Joe Kraynak (Author of Using and Upgrading PC's) 'You can apply your savings on the processor to more memory or a faster hard drive.' Basically speaking that means if you buy a slightly slower processor then you can make the rest of the system better, my personal opinion would probably be to agree with this statement, however he goes on to add 'Because most hardware manufacturers and software developers design their products for Intel processors, sticking with a Pentium processor minimises compatibility issues.' Intel Pentium Processors are commonly the most expensive CPU's. The CPU is, like the Motherboard, a very important part of any computer system because the computer will not move faster than what the speed of the processor, however that is not to say that by merely buying a new CPU you will be speeding up the computer, this is a common mistake made by users who don't see the computer as a 'whole' and rather look at it as its different components. The CPU works in direct harmony (in theory) with all other parts of the system, one last thing I have to add about the CPU is this, if the motherboard has a slow BUS speed then the impact of a new processor will be greatly reduced. Memory The Memory of the computer comes under two sections, the RAM and the ROM. RAM stands for Random Access Memory and ROM stands for Read Only Memory.
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