The Computer Mouse

8/6/2019 The Computer Mouse

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A mouse is a hardware device,invented by Douglas Engelbart in

1963, that allows the user tocontrol a cursor and to manipulate

data.


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Originally referred to as an X-Y PositionIndicator for a Display System, Xerox

later applied the mouse to its revolutionaryAlto computer system in 1973.


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The mouse is first widely used in theApple Lisa computer.

Today, the mouse is now found on

every Apple and PC computer and usedwith various types of GUIs.


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MOUSETECHNOLOGIES

MechanicalMice

MechanicalMice requires that the mouse be set on a flat

surface.

The distance and the speed of the rollers inside the mousedetermines how far the mouse cursor moves on the screendepending on the software configuration.


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OpticalMicerequire a special mouse pad which has a grid

pattern.a sensor inside the mouse determines the movementby reading the grid as the mouse passes over

one drawback to an optical mouse is they can haveproblems in bright lights.

MOUSETECHNOLOGIES


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Optical-Mechanicalconsists of a ball which rolls a wheel inside the mouse. the wheel contains a circle of holes and or notches to read

the LED by a sensor as it spins around when the mouse ismoved.much more accurate than the mechanical mouse. the most commonly used mouse with PC and Macintosh

computers.

MOUSETECHNOLOGIES


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Modern OpticalMiceno longer have the disadvantages of earlier mice

and are capable of being utilized on any surfacein comparison to the traditionalOptical-

Mechanical mouse, the Optical is a much bettersolution for a computer mouse.

MOUSETECHNOLOGIES


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Bluetooth

Infrared PS/2 Port

Serial Port USB

MOUSE INTERFACE


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Bluetooth - is a RF technology that operates at 2.4GHz, has an effective range of 32-feet (10 meters),and has a transfer rate of 1 Mbps and throughput of721 Kbps.

An example of how Bluetooth couldbe used is the ability to connect acomputer to a cell phone withoutneeding any wires or special

connectors.


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Infrared a method of transferring data withoutthe use of wires. A common example of an infrared

device is a TV remote. However, infrared is also

used with computerswith devices such as

a wireless keyboardor mouse.


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Often referred to as the mouse and/or keyboard port, the

PS/2 port was developed by IBM

to connect a computer mouseor keyboard to an IBM compatible computer. The PS/2 portis a mini DIN plug that contains six pins and is still found on all

IBM compatible computerstoday. However, it is

starting to be replaced

by the USB.


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A serial port connection or interface on the

computer is used to connect a serial device tothe computer. Serial ports are typically

identified on IBMcompatible computers

as COM or(communications) ports.


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USB

Short forUniversal Serial Bus, USB is a standard

that was introduced in 1995 by Intel, Compaq,

Microsoft and several other IT computer

companies. USB 1.x is an external bus standard

that supports datatransfer rates of

12 Mbps andis

capable of supportingup to 127 peripheral

devices.


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USB 2.0, also known as "hi-speed USB", was

developed by Compaq, Hewlett Packard, Intel,

Lucent, Microsoft, NEC and Philips and was

introduced in 2001. Hi-speed USB is capable ofsupporting a transfer rate of up to 480 Mbps and

is backwards compatible, meaning it is capable of

supporting USB 1.0 and 1.1 devices and cables.


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Cordless

FootMouse Glidepoint

IntelliMouse JMouse

Joystick

TouchpadTrackball

TrackPoint WheelMouse

T

YPESO

FM

ICE


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Cordless


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FootMouse


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Glidepoint


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IntelliM

ouse


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JMouse


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Joystick


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Touchpad


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Trackball


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TrackPoint


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WheelMouse


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The Computer Mouse