PERIPHERAL
DEVICES
Peripheral devices are devices that attach to the
computer and are external to the case. Sometimes they are called I/O
devices indicating Input/Output devices. These devices input data into
the computer and output data from the computer. Some of these I/O
devices are very common, and some are used rarely. The common ones are;
the keyboard, the monitor, the printer, and the mouse. Other
peripherals are; the microphone, speakers, the webcam, the flatbed
scanner, USB flash drives, external hard drives, and specialized
devices.
The
keyboard is an input device that allows you to
enter alphanumeric data into the computer. It also allows you to edit,
correct, change, or modify existing data.
Using the appropriate
software the keyboard can be used as a calculator or for special
purposes.
The
monitor is an output device that displays data in a
preprogrammed manner. This allows you to evaluate the data and perform
an appropriate action on it. The data can be text, video, pictures,
graphics, or anything else you can think of.
The
printer is an output device that permits the
creating of a hard copy of textual, photographic, or graphic data.
The
computer mouse is an input device that allows you
to point to items on the monitor in order to perform preprogrammed
functions. It can be used with all sorts of data; text, video,
pictures, graphics, etc. Sometimes the mouse is called a pointing
device.
The
computer microphone is an input device that allows
you to enter speech as data. Thus allowing you to record this data, or
transmit it to others over the internet.
The
computer speaker is an output devices that allow
you to hear prerecorded sound, or sound coming over the internet.
The
webcam is an input device that permits the input of
photographic or video data into the computer. The purpose of which is
for recording or transmitting over the internet.
The
flatbed scanner is an input device allowing high
quality photographic, textual, and graphic data to be entered into the
computer.
The
USB flash drive is an input and an output device.
It is used mainly as a storage device to transport data from one
computer to another.
The
external hard drive is both an input device and an
output device. It is used as an output device to copy and archive data.
Also, it is used as an input device to retrieve and restore data. More
then one external hard drive can be added to the computer.
Computer
accessories and supplies are those items that
make using the computer easier and more satisfying.
When evaluating peripheral devices look to the
manufacturers, the
online
computer stores, the retail stores, and knowledgeable friends and
family; they all should be able to supply you with some good
information. This website has a page that will give you computer parts reviews.
You are constantly adding to it by providing your reviews of the
components that you use. See what others have added and contribute your
review.
If you would like to comment, or add any information to
this Peripheral Devices page, please do so. Use the Contact
Us form and we will respond as
quickly as possible. If you would like to ask any questions, use the Questions and Answers
form and an answer will be provided.
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additional information on peripheral devices.
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