Harshwardhan Mathur Sub-CA Std-IX
INPUT DEVICES
1.MOUSE
The mouse is a small, movable device
that lets you control a range of things on
a computer. Most types of mouse have
two buttons, and some will have a wheel
in between the buttons. Most types of
mouse connect to the computer with a
cable, and use the computer's power to
work. Some types of mouse are wireless.
2.KEYBOARD
A computer keyboard is a peripheral
input device modeled after the
typewriter keyboard [ 1] [2] which
uses an arrangement of buttons or
keys to act as mechanical levers or
electronic switches.
3.MICROPHONE
A Microphone is defined as a type of
device that is used for the translation of
sound vibrations into electric signals and
converts them to some recording
medium. Microphones are used in many
applications such as telephones, hearing
aids, radio, etc.
Harshwardhan Mathur Sub-CA Std-IX
4.GRAPHIC TABLET
A graphic tablet is a computer input device that enables a user to hand-draw images,
animations and graphics, with a special pen-like stylus, similar to the way a person
draws images with a pencil and paper. These tablets may also be used to capture data
or handwritten signatures.
6.LIGHT PEN
It is a light-sensitive pointing device, commonly used to select or modify data on the
screen. It allows the user to point on displayed objects or draw on the screen. Its
operation is similar to a touch screen but has greater positional accuracy.
5.WEBCAM
A webcam is a video camera which
is designed to record or stream to
a computer or computer network.
They are primarily used in video
telephony, live streaming and
social media, and security.
