| There are many fancy add-ons for
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| | computer needs while it is operating. It
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| computers, but the basic components of
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| | is Random Access because the computer can
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| the computer are simple and universal. If
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| | get the data in any order, not
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| 1 of these main components is missing,
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| | necessarily the order in which it is
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| its not a computer.
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| | stored. Generally speaking, the more RAM
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| The 4 essentials of every computer system
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| | the better. 512 to 1024 megabytes is
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| are: a motherboard, a Central Processing
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| | common for memory.
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| Unit (CPU), memory, and a hard drive.
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| | The most common type of RAM these days is
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| These components are installed in a case
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| | DDR-SDRAM, which stands for
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| to which are attached a monitor, a
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| | double-data-rate synchronous dynamic
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| keyboard and a mouse. Thats your basic
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| | random access memory. We already know
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| computer.
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| | what the RAM part means. DDR means that
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| Mother WHAT?
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| | the data is accessed twice as fast as
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| The motherboard ("mobo" for short) is the
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| | ordinary RAM.
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| foundation. Everything attaches to the
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| | The latest type of RAM is DDR2. It offers
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| mobo -- the CPU, memory, hard drive,
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| | even faster access rates and is quickly
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| monitor, mouse, keyboard, add-on cards,
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| | becoming the standard for computer
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| even additional peripherals like
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| | memory.
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| printers, scanners, and speakers. The
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| | Hard Drive
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| motherboard is like the nervous system
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| | All the data contained in RAM is lost
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| and skeleton of the human body -- it
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| | when the computer is turned off, so there
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| provides support for the internal
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| | has to be a place to store it
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| components and also passes information
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| | permanently. This is what the hard disk
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| between the computer parts.
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| | is for.
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| CPU
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| | It holds the computers operating system.
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| If the motherboard is the nervous system,
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| | An operating system like Windows uses
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| then the CPU is the brain. Most of the
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| | around 4 gigabytes of hard drive space.
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| mathematical manipulations that make
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| | The extra space is used to install
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| computers operate are done by the CPU.
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| | computer programs and to store your
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| Other components may also have their own
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| | personal data.
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| processors, but their results still have
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| | 80 gigabyte hard drives are common, but
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| to be passed through the CPU.
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| | 400 GB units are available. Furthermore,
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| The speed of the computer is usually
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| | you can install more than 1 in a computer
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| measured by the speed of the CPU. Even
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| | case for added security and convenience.
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| though other factors also affect overall
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| | Peripherals
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| speed, the CPU rating is generally seen
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| | All you need to complete the basic
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| as the single most important measure of
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| | computer system is a monitor, keyboard
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| performance.
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| | and mouse.
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| Modern CPUs are usually rated between 2.0
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| | Accessories like a printer or scanner are
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| GHz and 3.0 GHz, although each passing
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| | useful for office work, and gamers will
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| month will see increasing performance.
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| | probably want to add speakers and
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| This measurement refer to the number of
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| | joystick controls.
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| calculations the processor can make in 1
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| | So there you have it. The basic computer
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| second. The higher the number, the faster
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| | needs just 7 major components. For the
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| (better) the computer.
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| | best performance, these components must
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| CPUs generate a lot of heat doing this
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| | integrate well. The motherboard is the
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| work, so they need a heat sink and fan to
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| | most important component for determining
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| keep them from overheating. Heat is a
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| | the type and specification of the other
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| major enemy of the computer and directly
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| | parts. Choosing an appropriate mobo for
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| affects its life span.
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| | your computer needs is the first step and
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| Computer Memory
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| | may require a quick call to your local
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| RAM (Random Access Memory) is the part of
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| | geek.
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| the computer that stores information the
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