Computers are found are in just about every home and business and many public places. Once you supply the computer with an operating system, you can do all sorts of things such as working on projects, connecting to the Internet, and even playing video games. You should be able to find all kinds of good computers in attractive casings in various computer shops. Once you purchase a nice computer, you can quickly plug it in and begin using it without worry.
However, it is mainly the computer technicians and enthusiasts that know how these wonderful machines work and what computer hardware components are found inside the intriguing case. Understanding these computer components can come real handy if you want to do extra things such as upgrading computer hardware components or troubleshooting other internal computer components so you can save money by not contacting a technician. Fortunately, understanding these components is not that difficult especially when you get up physically get close and personal with these components and the inside of a PC casing.
A computer system requires a few components just for the system to actually be usable. It begins with the CPU or Central Processing Unit which is in charge of the complex calculations that are necessary to process commands. It is considered as the brain of the computer system and the component that processes the instructions that you or other programs give to the system. The better the CPU, the faster your system performance becomes overall.
However, the CPU lacks storage capabilities which lead to the importance of RAM or Random Access Memory. RAM is basically needed for carrying out different operations at one time. In order for multitasking to be possible, the computer must transfer some of the data and information to a temporary storage area with is the RAM so the CPU can move on to other operations. Since it is a storage area, RAM is measured in megabytes and gigabytes. You should be able to multitask a lot better without performance slow down if you have lots of RAM.
The RAM is a temporary storage so all of the information is lost if you turn off the computer or give it new data to store. Most operating systems are too big to fit in the RAM so you need a secondary storage device where data is permanently saved. The HDD or hard disk drive stores the data. These types of computer hardware components have different capacities as well.
In order for these three components to properly interact, they must all be placed on a compatible motherboard. The motherboard is considered as the heart of the system and it has various slots, ports and sockets where you can insert the different computer hardware components. The many motherboards also contain chips like the GPU and sound components so they can provide graphics and sound to the system. If there is no integrated graphics chip, the video card serves as another vital computer component just so you can connect your system to a monitor. None of these computer components can run without electricity so they are all hooked up to the PSU or power supply which is then hooked up to the wall socket. The power supply effectively converts any high voltages that come from the power outlet into lower voltages so the computer hardware components do not get damaged. To prevent any dust and external damage, these components are housed in a casing.
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