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Computer Components for Idiots

There are many fancy add-ons for computers,computer that stores information the computer
but the basic components of the computer areneeds while it is operating. It is Random
simple and universal. If 1 of these mainAccess because the computer can get the data
components  is  missing,  its not a computer.in any order, not necessarily the order in
which it is stored. Generally speaking, the
The 4 essentials of every computer systemmore RAM the better. 512 to 1024 megabytes is
are: a motherboard, a Central Processing Unitcommon  for  memory.
(CPU), memory, and a hard drive. These
components are installed in a case to whichThe most common type of RAM these days is
are attached a monitor, a keyboard and aDDR-SDRAM, which stands for double-data-rate
mouse.  Thats  your  basic  computer.synchronous dynamic random access memory. We
already know what the RAM part means. DDR
Mother  WHAT?means that the data is accessed twice as fast
as  ordinary  RAM.
The motherboard ("mobo" for short) is the
foundation. Everything attaches to the moboThe latest type of RAM is DDR2. It offers
-- the CPU, memory, hard drive, monitor,even faster access rates and is quickly
mouse, keyboard, add-on cards, evenbecoming  the  standard  for computer memory.
additional peripherals like printers,
scanners, and speakers. The motherboard isHard  Drive
like the nervous system and skeleton of the
human body -- it provides support for theAll the data contained in RAM is lost when
internal components and also passesthe computer is turned off, so there has to
information  between  the  computer  parts.be a place to store it permanently. This is
what  the  hard  disk  is  for.
CPU
It holds the computers operating system. An
If the motherboard is the nervous system,operating system like Windows uses around 4
then the CPU is the brain. Most of thegigabytes of hard drive space. The extra
mathematical manipulations that makespace is used to install computer programs
computers operate are done by the CPU. Otherand  to  store  your  personal  data.
components may also have their own
processors, but their results still have to80 gigabyte hard drives are common, but 400
be  passed  through  the  CPU.GB units are available. Furthermore, you can
install more than 1 in a computer case for
The speed of the computer is usually measuredadded  security  and  convenience.
by the speed of the CPU. Even though other
factors also affect overall speed, the CPUPeripherals
rating is generally seen as the single most
important  measure  of  performance.All you need to complete the basic computer
system  is  a  monitor,  keyboard  and mouse.
Modern CPUs are usually rated between 2.0 GHz
and 3.0 GHz, although each passing month willAccessories like a printer or scanner are
see increasing performance. This measurementuseful for office work, and gamers will
refer to the number of calculations theprobably want to add speakers and joystick
processor can make in 1 second. The highercontrols.
the number, the faster (better) the computer.
So there you have it. The basic computer
CPUs generate a lot of heat doing this work,needs just 7 major components. For the best
so they need a heat sink and fan to keep themperformance, these components must integrate
from overheating. Heat is a major enemy ofwell. The motherboard is the most important
the computer and directly affects its lifecomponent for determining the type and
span.specification of the other parts. Choosing an
appropriate mobo for your computer needs is
Computer  Memorythe first step and may require a quick call
to your local geek.
RAM (Random Access Memory) is the part of the



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