Used to store
data, when the
power is switched
off the contents
will remain there.
This uses a power cable and a data cable.
Data cables and Power cables
are different for different
hard drives.
Sata
IDE
SCSI
RAM
Recent data is
stored here,
when the power
is switched off all
contents is lost.
ROM
This is read only data meaning you
cannot change the data there, only
read it. This is usually used to store the
boot up sequence. When the power is
switched off all contents remain there.
Motherboard
This is what
Everything plugs into.
Connects Everything
Together
Fan
Extracts the air out of the computer.
Keeps The Computer Cool
Graphics Card
Outputs information to the screen.
Optical Drive
Reads CD'S/DVDS
Power Supply
This distributes power to
all the components of the
computer.
CPU
Makes the decisions of the computer
They run the Fetch-Decode-Execute Cycle
Can come in Single, Dual or Quad cores
Commonly Called
the "Brain" of the
computer
BIOS
BIOS = Basic Input Output system.
In BIOS you set the time on the
computer and make a password
for it. The BIOS settings define
the boot up device priority.
Settings are backed up
after power is off by
the fact that there is
a battery inside the
computer powering
this.
Operating Systems
Windows
Windows XP
Windows 7
Windows 8.1
Windows 8
OS X
10.10 Yosemite
10.9 Mavericks
These are needed
so you can access
the computer and
it allows you to run
applications.
Network card
Gives the abillity
to connect to the
internet.
Ither by cable
or Wireless
Networks Cards can
vary in distance
connectivity usually
affected by the price