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في الاسواق.
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مؤشر الماوس
A
mouse is a pointing device that connects to the computer. Specifically, the
mouse can move the cursor (the arrow) on the screen. Held in the palm of the
hand, it allows to point elements displayed on the screen and to select them by
clicking. The mice are equipped with a displacement sensor which is either
optical (light), laser or ball for the older ones. Also there are wired or
wireless mice.
The
story of the mouse
It
was in 1963 that Douglas Engelbart invented the very first mouse, still far
from what our mice look like today! In 1979 Jean-Daniel Nicoud improves the
concept and invents the first ball mouse. This mouse is the origin of the
company Logitech, currently leader in keyboards and mice.
1.3
Do I need a mouse on a laptop?
A
trackpad (touchpad) of laptop
Yes
and no ! Not because laptops are equipped with trackpads (touch pads): it is a
rectangular touch area that allows you to move the cursor by moving your finger.
That said the ergonomics of the device remains limited because of its small
size and it is therefore advisable, for your comfort, to own a mouse. There are
small ones to carry them easily with you.
How
to connect and install a mouse?
The
most common mice (and indeed for any electronic device) use a USB port, these
rectangular universal plugs that you will find on all computers, fixed and
portable. The advantage is that you can connect or unplug your mouse at any
time.USB means: universal serial port, it wants to be the universal connection
of any electronic device.
And
for the installation, everything is automatic!
After
plugging your mouse, wait a few moments, Windows will install it automatically
and you can use your mouse a few seconds later!
But
before that…
On
very old computers, the mice were connected with a PS / 2 port which are green
and purple round plugs and used to connect the keyboard and mouse.
2.
Today's mice: a concentrate of technology
2.1
High-tech mice full of pimples
Our
little mice grow and know acne tendencies: they have more and more buttons. But
not too much hope because you could get lost. Here is a concentrate of
technology by Logitech:
A
Logitech Mouse Focused in Technology: Wireless, Multimedia Buttons, Laser
Sensor
The
side buttons are used to browse the Internet for example: a single press of the
button, at the thumb, returns to the previous page or the next page. The recess
for the thumb allows a pleasant grip of the mouse and the battery indicator
lets you know when to recharge.
Computer
mouse
It
is possible to adjust the pointing of the mouse buttons depending on whether
you are right-handed or left-handed.
A
laptop or desktop is equipped with several devices: the computer mouse but also
the computer screen, the camera PC, the printer, the USB key, the external hard
drive and the computer keyboard.
Computer
mouse: intuitive operation
The
mouse is, just like the keyboard, a device for transmitting commands to the
computer.
It
moves the cursor on the screen and clicks an element to perform an action.
The
mouse usually consists of two buttons and a wheel:
•
left button (main button),
• scroll wheel,
•
right button (secondary button).
•
But there are also mice with three buttons. Apple even offers a mouse with four
buttons.
For
each main action, each button has a role:
•
click: press the main button to select an item or open a menu;
•
double click: double press the main button, open elements;
•
right click: opens a selection list;
•
scroll: roll the scroll wheel, this scrolls through a list or page;
•
central click on the wheel: to open a link in a new tab of its Navigator.
Good
to know: Some mice also have additional buttons for navigation, acceleration,
games ...
Different
types of computer mouse
There
are different types of mice:
•
Mechanical mouse: mouse that works with a ball.
o
The ball makes it possible to transmit the movements of the mouse to the
computer.
o
This type of mouse is less and less common.
o
This type of mouse will often need to be cleaned to remove the dust that gets
caught in the ball.
•
Optical mouse: the movements of the mouse are analyzed by an LED.
•
Laser mouse: The movements of the mouse are transmitted through a laser.
Computer
mouse: wireless or wired
As
for keyboards, there are mice with son or without son.
For
mice with wires, there are two types of connectors that connect to the
motherboard:
•
USB,
•
PS2.
There
is adapter from a PS2 port to a USB mouse and vice versa.
Wireless
mice work in:
•
Bluetooth,
•
Infrared,
• Wireless.
These
are the Bluetooth mice that tend to be the most convenient and reliable.
Good to know: Some wireless mice have a charging
cradle, which avoids the problem of discharged batteries.
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