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Computer Components for Idiots

There are many fancy add-ons forthe computer needs while it is
computers, but the basic components ofoperating. It is Random Access because
the computer are simple and universal.the computer can get the data in any
If 1 of these main components isorder, not necessarily the order in
missing, its not a computer.which it is stored. Generally speaking,
The 4 essentials of every computerthe more RAM the better. 512 to 1024
system are: a motherboard, a Centralmegabytes is common for memory.
Processing Unit (CPU), memory, and aThe most common type of RAM these days
hard drive. These components areis DDR-SDRAM, which stands for
installed in a case to which aredouble-data-rate synchronous dynamic
attached a monitor, a keyboard and arandom access memory. We already know
mouse. Thats your basic computer.what the RAM part means. DDR means that
Mother WHAT?the data is accessed twice as fast as
The motherboard ("mobo" for short) isordinary RAM.
the foundation. Everything attaches toThe latest type of RAM is DDR2. It
the mobo -- the CPU, memory, hard drive,offers even faster access rates and is
monitor, mouse, keyboard, add-on cards,quickly becoming the standard for
even additional peripherals likecomputer memory.
printers, scanners, and speakers. TheHard Drive
motherboard is like the nervous systemAll the data contained in RAM is lost
and skeleton of the human body -- itwhen the computer is turned off, so
provides support for the internalthere has to be a place to store it
components and also passes informationpermanently. This is what the hard disk
between the computer parts.is for.
CPUIt holds the computers operating system.
If the motherboard is the nervousAn operating system like Windows uses
system, then the CPU is the brain. Mostaround 4 gigabytes of hard drive space.
of the mathematical manipulations thatThe extra space is used to install
make computers operate are done by thecomputer programs and to store your
CPU. Other components may also havepersonal data.
their own processors, but their results80 gigabyte hard drives are common, but
still have to be passed through the CPU.400 GB units are available. Furthermore,
The speed of the computer is usuallyyou can install more than 1 in a
measured by the speed of the CPU. Evencomputer case for added security and
though other factors also affect overallconvenience.
speed, the CPU rating is generally seenPeripherals
as the single most important measure ofAll you need to complete the basic
performance.computer system is a monitor, keyboard
Modern CPUs are usually rated betweenand mouse.
2.0 GHz and 3.0 GHz, although eachAccessories like a printer or scanner
passing month will see increasingare useful for office work, and gamers
performance. This measurement refer towill probably want to add speakers and
the number of calculations the processorjoystick controls.
can make in 1 second. The higher theSo there you have it. The basic computer
number, the faster (better) theneeds just 7 major components. For the
computer.best performance, these components must
CPUs generate a lot of heat doing thisintegrate well. The motherboard is the
work, so they need a heat sink and fanmost important component for determining
to keep them from overheating. Heat is athe type and specification of the other
major enemy of the computer and directlyparts. Choosing an appropriate mobo for
affects its life span.your computer needs is the first step
Computer Memoryand may require a quick call to your
RAM (Random Access Memory) is the partlocal geek.
of the computer that stores information



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