Keyboard and Mouse are input only devices...
These are input devices, what
you do to the device is displayed on the monitor.
Keyboards like processors have
came a long way since the old IBM PC, from 86 keys to the 101 key and
The mouse has not changed all that much since introduced in the late 1980's.
some came with only two buttons, some with three. Some were controlled by a ball
and some were controlled with two led's (Light emitting diodes) and metal mouse
pad with dark blue grid over a light blue back ground.
The main changes with them are how they connect to the
There is the wired and the wireless.
A wired keyboard and mouse
have a cable that connects to the computer motherboard with what are known as
"ports" most cases today have an Icon to distinguish the different ports. Or
they can be connected with a "USB" (Universal Serial Bus) cable.
A wireless devices use either RF (Radio Frequency) or IR (Infrared
Frequency) to communicate with the computer. (You still can't use a wireless device on
a aircraft!! In the USA the FAA seems to be waffling back and forth on this...)
I am old fashioned, at home I have a wired (PS/2 port) keyboard or mouse
[Since writing this article I have moved to wireless]. The laptop for
travel has two mice, a wired (USB) for on a Airliner and wireless for when I get to my
destination, I like the wireless for the laptop, sometimes you don't have a lot
of room to spread out.
So if you like to sit back three to five feet from your monitor to type, play
games, then the wireless would be a better choice.
( My Wife took pity on me and bought me a wireless setup for Christmas, now I
can sit back and not worry about pulling the cables too hard. )
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Every now and then I [would in the old] get a
Q and A question on digital (wireless mice or pointing devices):
Will a wireless mouse wear out?
Yes, but it will take a long time because it has no moving parts, dropping it on
a hard surface will cause it to "break" but with normal use it should last a
very long time. When I wrote this article my new wireless k & m
were about three months old, that was in 2007, now at 2016 they are still
working. The mouse has wear marks from my palm and fingers on the buttons but
Cleaning them and not dropping them will make them last a very long time....