Hardware technologies

Hardware
technologies
Research definition personal definition
Human Computer
Interface
Human-computer interface (HCI) The
means of communication between a
human user and a computer system,
referring in particular to the use of
input/output devices with supporting
software.
http://www.encyclopedia.com/doc
/1O11-
humancomputerinterface.html
Human computer interface is the
way that a user and a computer
system communicate with one
another using specific devices and
their supporting software.
http://cervologix.com/review-use-
electroencephalography-
evaluation-method-human-
computer-interaction/
Graphic Processors A GPU, or graphics processing unit, is
used primarily for 3-D applications. It is
a single-chip processor that creates
lighting effects and transforms objects
every time a 3D scene is redrawn.
These are mathematically-intensive
tasks, which otherwise, would put quite
a strain on the CPU. Lifting this burden
from the CPU frees up cycles that can
be used for other jobs.
http://www.webopedia.com/TERM
/G/GPU.html
A graphics processing unit is a
programmable logic chip that
renders images, animations and
video for your computer’s screen.
Although a GPU is used for 2D data
it is also essential for smooth
decoding and rendering of 3D
animations and video.
http://w
ww.geek
y-
gadgets.
com/wp-
content/
uploads/
2010/03/NVIDIA-ION-
processor.jpg
Display A display is a computer output surface
and projecting mechanism that shows
text and often graphic images to the
computer user, using a cathode ray
tube (CRT), liquid crystal display (LCD),
light-emitting diode, gas plasma, or
other image projection technology.
http://whatis.techtarget.com/defi
nition/display
A projecting mechanism and
computer output surface that
displays text and images to the
user.
http://vintageking.com/media/cata
log/product/cache/1/image/9df78e
ab33525d08d6e5fb8d27136e95/a/
p/apple_led_cinema_display.jpg

Game Storage
Medium
In computers, a storage medium is any
technology (including devices and
materials) used to place, keep, and
retrieve data. A medium is an element
used in communicating a message; on
a storage medium, the "messages" - in
the form of data - are suspended for
use when needed.
http://searchstorage.techtarget.co
m/definition/storage-medium
A storage medium is a place used
to keep and retrieve data.
http://3.bp.blogspot.com/--
IA9GLJnvI8/T74MfzTLwFI/AAAAAA
AAAC0/S6Krs1g4Yz0/s705/arm_a1
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Connectivity A computer buzzword that refers to a
program or device's ability to link with
other programs and devices. For
example, a program that can import
data from a wide variety of other
programs and can export data in many
different formats is said to have good
connectivity.
/C/connectivity.html
the ability to connect from the
computer to other devices and
aplications.
Central Processing
Unit (CPU)
Sometimes referred to simply as the
central processor, but more commonly
called processor, the CPU is the brains
of the computer where most
calculations take place. In terms of
computing power, the CPU is the most
important element of a computer
system.
/C/CPU.html
The CPU is where most of the work
takes place and it is the most
important part of a computer
system.
http://images.bit-
tech.net/content_images/2013/03/
cpu-coolers-new-
benchmarks/retest-7b.jpg
Memory (RAM) RAM (pronounced ram) is an acronym
for random access memory, a type of
computer memory that can be
accessed randomly; that is, any byte of
memory can be accessed without
touching the preceding bytes
/R/RAM.html
random access memory (RAM) can
be accessed randomly without
needing to touch or access any of
its preceding bytes.
http://cdn.eteknix.com/wp-
content/uploads/2011/11/RAM.jpg

Sound In computers, audio is the sound
system that comes with or can be
added to a computer. An audio card
contains a special built-in processor
and memory for processing audio files
and sending them to speakers in the
computer.
nition/audio
The audio or sound in a computer
is sent to the speakers attached to
the computer via an audio card
which contains a special built-in
processor specially used to process
audio files.
Interface Devices An interface device (IDF) is a hardware
component or system of components
that allows a human being to interact
with a computer, a telephone system,
or other electronic information system.
nition/interface-device-IDF
The hardware or system of
components that means the human
user can interact with the computer
system.
Power Supply A power supply unit or PSU, the
component that supplies power to a
computer. Most personal computers
can be plugged into standard electrical
outlets. The power supply then pulls
the required amount of electricity and
converts the AC current to DC current.
/P/power_supply.html
A power supply unit pulls out the right
amount of electricity for the device it is
attached to and converts the AC current
to DC Current, and also regulates the
voltage to eliminate spikes and surges
common in electrical systems.
http:/
/core0.staticworld.net/images/articl
e/2013/01/standard-psu-
100021930-gallery.jpg

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